My 131 abarth (never ending) story - 2017 season updates
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My 131 abarth (never ending) story - 2017 season updates
Hi everybody ! (Note 1 - 2010 start of the season update update at the bottom of the post)
(Note 2 - 2013 start of the season update update at the bottom of the post)
This is my 131. I bought it in fall 2005 form a friend ( a proud owner of an original 124 Abarth) who started this project few years ago , but gave it up. I had the car stripped to bare metal and rebuild it only with original parts. It took six months and 5 cars to get all the required minimum parts ( two of them 2-dr and one crashed original Walter Rohrl version),
It have put in a stock 2.0 engine with a single solex 34 carburetor, slightly more aggressive camshafts from Lancia, lighter fly wheel, 4-1 exhaust, larger radiator, full roll cage built to original Abarth group 4 specs, custom made front suspension, roll bar and mostly stock (some new) items like original Fiat vacuum pump, Zimmerman disks (standard size), standard clutch, Smoor wheels (13x 7,5 inch front on 195x 60 tires and 13x8 inch rear on 205x60 tires).
During two seasons of classic car rally and track events I have switched to stiff adjustable Bilstein shocks and H&H springs in front and matching Bilstein shocks with original springs from the front the in rear, double radiator fan, two double Solex 34 carburetors, bucket seats from an original 131 rally which crashed in Norway.
Currently I am preparing my baby for next season. Among key changes are:
- adjustable camshaft drive wheels - DONE 2008
- two double Weber 40 IDF PLANNED FOR 2009 (DONE 2010)
- 4-2-1 exhaust modified from original Abarth for Fiat Ritmo abarth 125 TC ( CANNOT GET THE original 4-2-1 for 131 and the one from Ritmo could not be modified) ( 2010 - the 4-1 works so well we gave up on 4-2-1)
- rebuild the rest of the exhaust to original Corsa specs DONE AS PER GUY'S SUGGESTIONS - WORKS REALLY FINE !
- performance clutch pressure plate and ceramic/metallic 4 prong sports clutch disk, ( 2008 - GOT THE PLATE AND SPORTS DISK , BUT DECIDED TO POSTPONE INSTALLATION) ( (2010 Installed Hellix clutch assembly with metalic friction plates, the disk is sprung to make it easier on the drive train between special stages)
- original Abarth oil radiator with a sandwich plate with thermostat (PLANNED FOR 2009) ( 2010 : installed with ail accumulator)
- abarth low temperature radiator fan switch ( GAVE UP ON GUYS ADVICE )
- original Halda Twinmaster ( metal casing brand new !) DONE 2008
- original Halda Speedpilot (also brand new) DONE 2008
- roof spoiler- DONE 2008
The objective of the mechanical changes is two fold:
1/ to lower the coolant temperature and oil temperature ( achieved with new GC engine !)
My VDO gauges indicate the coolant temperature almost never goes below 100-110 deg Celsius, and oil temperature (measured via a sensor build into the oil pan plug) keeps a constant minimum of 90 deg. C. This if far too high and I need to cool it in a major way. Any ideas ? Or maybe my gauges are off ???
2/ Increase power and torque ( achieved with new GC engine !)
It was never dyno-tested but compared to my competitors and based on just my sense of how it works - it needs better mid RPM response, and simply more power !!! My current assessment is ca 130 hp. Goal is 160/170 hp.
Before resorting to more mechanical changes (a new engine is being built) I want to optimize the camshaft adjustment on the current engine, give it better exhaust, and provide better fuel supply. Experience gained with this will help me to tune the new engine.
Over the two years I have collected a volume of spare new and rebuilt parts I would be willing to trade. The car is registered as a Vintage Car with special yellow plates and I plan to get the car to original abarth specs (keeping it as close to 100 originality as possible). I am still missing a lot original parts and equipment like Colotti gearbox, ZF LSD, independently suspended rear differential, original 15 inch Cromodora wheels, larger brake disks and disk brakes in the rear, so there is along way to go.
Any comments , feedback ???
-----------------------------------------------------------------------------------------------
Hi everybody : I have updated this post with some new pictures of the 2008 season and comments on what was achieved and what is to be done... Never ending story....
During the season the car drove very well, especially with adjustable camshaft drive wheels, bigger diameter of the exhaust and muffler Guy recommended (thank you Guy!) though had to install Intercom to hear my co driver on a stage. Also lowered rear springs put slick tires, put the roof spoiler. The roof spoiler was hard to fit. After some failed attempts I bought a beaten up Mirafiori, cut the roof off and gave it to my mechanic. After few months he managed to adjust the spoiler perfectly.
Also added Haldas (Speedpilot V and Twinmaster). Nice pieces and work fine, though it took a long time to fine tune calibration.
Continued problem with heat despite two fans and a manual override switch. Decided to go for Castrol Edge Sport 0-W60 to protect the engine. Was not sure and did a lot of research and ..to the surprise of some skeptics it works real well - no leaks !!! I will add an oil cooler next year and uprate the oil pump to deal with larger oil volume and system capacity. As you may notice changed my "lorry size" Hellas to a nice set of original Carellos. Mounting is not based on historic examples , but decided not to cut into the body . Also the very strong steel tube on which the lights are mounted serves as additional protection of the engine should we "visit the landscape" (= run into a ditch).
Got an original Abarth differential! Installation will take some time as I need to rebuild the whole rear suspension. Any suggestions, help? Also planning to put 911 RS calipers as on original gr 4. Done 2012
Hate the tailpipe ( looks like from "visually tuned" Golf). Will change it to double pipe to look more in tune with the age of the car. Done 2011
This is only to prove my beloved Abarth is a never ending story .
So the plans for 2009 are :
- two double Weber 40 IDF (done 2010)
- original Abarth oil radiator with a sandwich plate with thermostat color=#FF0000](done 2010)[/color]
- installation of gr. 4 differential and rear suspension color=#FF0000](done 2010)[/color]
- 911 RS calipers color=#FF0000](done 2012)[/color]
- installation of a 16v head ( maybe - if I can find a good one in reasonable price range) Gave up - the GC engine works so fine, and delivers sop much power and torque that I do not need any more !
I am working on a new engine hoping to achieve power output as close to as possible to 180 hp. Wish me luck ... (and a winning lottery ticket to fund it !) ( achieved with new GC engine !)
2010 update
I started the "new engine "project project in October 2008.The engine was to be done by a friend who specializes in Alfas and has really made probably some of the most powerful and reliable sports Alfa engines in Poland, The guy is really a fantastic expert on Alfas but Alfa is an Alfa and Fiat DOHC is a Fiat DOHC.
I started developing doubts in February 2009n when I was asked some technical questions (like "What pistons, cranks, rings, camshafts do you want to use" or "what main bearings will we use". I did not quit expect to be asked these questions , but rather be told which will be the best for the engine we are building.
This made me think and discuss it with my co-pilot One such discussion took place in the presence of my wife . She listened for a while and said: "hy don't you just just take away the risk of experimentation , and go for a solution which is risk free. This certainly caught my attention. My wife continued: You are buying parts for the new engine from Guy Croft , these parts are experimentally mixed and matched with other parts by the Alfa expert . There is no guarantee such a "mix and match" approach will work. Engine is a very complex entity with lost or interdependencies. One mismatched component can cause the whole system to fail or at least to have a build in weakness. Lack of power , failure or incoherent performance will result. We are too poor to take such risk. Call Guy tomorrow and as him of he will build this engine for you. It may cost more up front , but it will be less costly over time. And most of all you will have a reliable, high power machine the first time around and you wiil enjoy it next season for seasons to come. To make her point she said she will fund this project (!!!).
On April 2009 my co-pilot and I jumped in the car, put all of our donor parts including the head and block plus the parts I have already purchased from Guy in the boot and drove to Lincoln, where I met Guy and his great wife. Spend all day with Guy learning first hand some of Guys ways. We discussed the rally and race track events I take part in, my expectations, etc. so that Guy may decide what engine would be the most suited. Ultimately Guy declared that this should be a Stage II Rally engine.
Leaving Lincoln I was utterly impressed I exceedingly happy with my decision to ask GC to build the new engine for me.
Soon after the project really started. I was updated on progress and with great anxiety studied all Guys reports on progress and looked at the pictures documenting each stage of progress.
Ultimately the engine was built and all that was to finalize the project was to dyno the new engine. Due to heavy commitments the dyno testing was delayed for some months. As it did not matter to me with the racing season still months away. Ultimately the tests started but had to be stopped , due to a mechanical failure of the dyno test unit. Later it proved that the dyno (a newly acquired Swiss unit) wil be tested on my engine. Well the engine survived , but the advanced and computerised dyno unit proved to have software problem which prevented rpm from being read over 6500. Finally Rotronix fixed the problem and Guy called with initial results. As you can imagine I was thrilled to hear the results, and amazed with disbelief seeing the dyno graph and tables.In fact I am a bit intimidated to think of actually having to must this "monster" engine in my car. That will be a sheer thrill. So the task now is to install it all of this into my car.
Please see:
viewforum.php?f=9
http://www.youtube.com/watch?v=vjzsUZLlgkI
http://www.youtube.com/watch?v=SzaSCVozu6c
To make the thrill more complete ,thanks to Guy's help I was also able to acquire full rear Abarth Grp. 4 suspension.
All this this is definitely is a turning point in this project.
Aside of new GC Engine and full Abarth front and rear suspension installation the car will be striped from Stradale upholstery, fitted with Abarth seats, safe fuel tank, mechanical extinguisher system, hydraulic hand brake, original Grp.4. doors, Grp. 4 rear view mirrors, large inner headlights , full steel /aluminum sump guard plate, ATE calipers front and rear, CD 68 15" wheels (7" front and 8" rear), removal of standard blinkers and replace them with original Julietta round white repeaters on the front , original Grp. 4.steering wheel, Grp. 4 gearbox, etc.
For 2011 season the plan is to install Grp. 4 safe fuel tank ( still awaiting completion), Grp. 4 dash board, composite front bonnet and boot lid. ( done in 2012)
The target is to achieve in 2011 a full, complete replica of Grp. 4 ( non tarmac , due to "small" non tarmac arches).
From one of many 131 Abarth Replica projects suddenly this turned into one of very few of this kind.
When I started the project , I never expected I will have a chance of driving a 131 Abarth (Replica) with a GC 185 BHP engine and full Abarth suspension, and full Grp. 4 specs in accordance with FIA homologation. Well, dreams do come true (with a little help of our friends and funding from your wife!).
Despite the title "never ending story" the chance are the project will be completed in 2011.
Miro
2013 start of the season update:
The plan is to get it to full homologation specs with the notable exception of 16v head and Cima gearbox.
Here is the list of assemblies sub assemblies we hope to achieve full homologation level complete before beginning of this season
1/ Suspension (done)
2/ Steering ( in process of installation)
3/ Brakes ( in process of installation)
4/ Livery ( planned for May 2013)
5/ Fuel tank (planned for mid year 2013)
6/ Aluminum door sheets ( expected in couple of weeks)
7/ Lexan side and rear windows ( awaiting installation)
8/ proper gr 4 towing hooks (under development)
9/ proper gr. 4 blinkers ( still to be acquired)
10/ proper gr. 4 wiper arms (under development)
Among additional elements w plan are:
1/ protection plate for the diff (under development)
2/ using side vents developed to cool brakes to feed cool air onto the diff (under development)
3/ installing additional new cockpit fresh air venting system, to make sure that we do not get cooked with only small sliding windows (under development)
4/whatever else we will find the time (and funds) for ...
Miro
PS: See page 38 of this thread for most complete and current ( with pictures) .
(Note 2 - 2013 start of the season update update at the bottom of the post)
This is my 131. I bought it in fall 2005 form a friend ( a proud owner of an original 124 Abarth) who started this project few years ago , but gave it up. I had the car stripped to bare metal and rebuild it only with original parts. It took six months and 5 cars to get all the required minimum parts ( two of them 2-dr and one crashed original Walter Rohrl version),
It have put in a stock 2.0 engine with a single solex 34 carburetor, slightly more aggressive camshafts from Lancia, lighter fly wheel, 4-1 exhaust, larger radiator, full roll cage built to original Abarth group 4 specs, custom made front suspension, roll bar and mostly stock (some new) items like original Fiat vacuum pump, Zimmerman disks (standard size), standard clutch, Smoor wheels (13x 7,5 inch front on 195x 60 tires and 13x8 inch rear on 205x60 tires).
During two seasons of classic car rally and track events I have switched to stiff adjustable Bilstein shocks and H&H springs in front and matching Bilstein shocks with original springs from the front the in rear, double radiator fan, two double Solex 34 carburetors, bucket seats from an original 131 rally which crashed in Norway.
Currently I am preparing my baby for next season. Among key changes are:
- adjustable camshaft drive wheels - DONE 2008
- two double Weber 40 IDF PLANNED FOR 2009 (DONE 2010)
- 4-2-1 exhaust modified from original Abarth for Fiat Ritmo abarth 125 TC ( CANNOT GET THE original 4-2-1 for 131 and the one from Ritmo could not be modified) ( 2010 - the 4-1 works so well we gave up on 4-2-1)
- rebuild the rest of the exhaust to original Corsa specs DONE AS PER GUY'S SUGGESTIONS - WORKS REALLY FINE !
- performance clutch pressure plate and ceramic/metallic 4 prong sports clutch disk, ( 2008 - GOT THE PLATE AND SPORTS DISK , BUT DECIDED TO POSTPONE INSTALLATION) ( (2010 Installed Hellix clutch assembly with metalic friction plates, the disk is sprung to make it easier on the drive train between special stages)
- original Abarth oil radiator with a sandwich plate with thermostat (PLANNED FOR 2009) ( 2010 : installed with ail accumulator)
- abarth low temperature radiator fan switch ( GAVE UP ON GUYS ADVICE )
- original Halda Twinmaster ( metal casing brand new !) DONE 2008
- original Halda Speedpilot (also brand new) DONE 2008
- roof spoiler- DONE 2008
The objective of the mechanical changes is two fold:
1/ to lower the coolant temperature and oil temperature ( achieved with new GC engine !)
My VDO gauges indicate the coolant temperature almost never goes below 100-110 deg Celsius, and oil temperature (measured via a sensor build into the oil pan plug) keeps a constant minimum of 90 deg. C. This if far too high and I need to cool it in a major way. Any ideas ? Or maybe my gauges are off ???
2/ Increase power and torque ( achieved with new GC engine !)
It was never dyno-tested but compared to my competitors and based on just my sense of how it works - it needs better mid RPM response, and simply more power !!! My current assessment is ca 130 hp. Goal is 160/170 hp.
Before resorting to more mechanical changes (a new engine is being built) I want to optimize the camshaft adjustment on the current engine, give it better exhaust, and provide better fuel supply. Experience gained with this will help me to tune the new engine.
Over the two years I have collected a volume of spare new and rebuilt parts I would be willing to trade. The car is registered as a Vintage Car with special yellow plates and I plan to get the car to original abarth specs (keeping it as close to 100 originality as possible). I am still missing a lot original parts and equipment like Colotti gearbox, ZF LSD, independently suspended rear differential, original 15 inch Cromodora wheels, larger brake disks and disk brakes in the rear, so there is along way to go.
Any comments , feedback ???
-----------------------------------------------------------------------------------------------
Hi everybody : I have updated this post with some new pictures of the 2008 season and comments on what was achieved and what is to be done... Never ending story....
During the season the car drove very well, especially with adjustable camshaft drive wheels, bigger diameter of the exhaust and muffler Guy recommended (thank you Guy!) though had to install Intercom to hear my co driver on a stage. Also lowered rear springs put slick tires, put the roof spoiler. The roof spoiler was hard to fit. After some failed attempts I bought a beaten up Mirafiori, cut the roof off and gave it to my mechanic. After few months he managed to adjust the spoiler perfectly.
Also added Haldas (Speedpilot V and Twinmaster). Nice pieces and work fine, though it took a long time to fine tune calibration.
Continued problem with heat despite two fans and a manual override switch. Decided to go for Castrol Edge Sport 0-W60 to protect the engine. Was not sure and did a lot of research and ..to the surprise of some skeptics it works real well - no leaks !!! I will add an oil cooler next year and uprate the oil pump to deal with larger oil volume and system capacity. As you may notice changed my "lorry size" Hellas to a nice set of original Carellos. Mounting is not based on historic examples , but decided not to cut into the body . Also the very strong steel tube on which the lights are mounted serves as additional protection of the engine should we "visit the landscape" (= run into a ditch).
Got an original Abarth differential! Installation will take some time as I need to rebuild the whole rear suspension. Any suggestions, help? Also planning to put 911 RS calipers as on original gr 4. Done 2012
Hate the tailpipe ( looks like from "visually tuned" Golf). Will change it to double pipe to look more in tune with the age of the car. Done 2011
This is only to prove my beloved Abarth is a never ending story .
So the plans for 2009 are :
- two double Weber 40 IDF (done 2010)
- original Abarth oil radiator with a sandwich plate with thermostat color=#FF0000](done 2010)[/color]
- installation of gr. 4 differential and rear suspension color=#FF0000](done 2010)[/color]
- 911 RS calipers color=#FF0000](done 2012)[/color]
- installation of a 16v head ( maybe - if I can find a good one in reasonable price range) Gave up - the GC engine works so fine, and delivers sop much power and torque that I do not need any more !
I am working on a new engine hoping to achieve power output as close to as possible to 180 hp. Wish me luck ... (and a winning lottery ticket to fund it !) ( achieved with new GC engine !)
2010 update
I started the "new engine "project project in October 2008.The engine was to be done by a friend who specializes in Alfas and has really made probably some of the most powerful and reliable sports Alfa engines in Poland, The guy is really a fantastic expert on Alfas but Alfa is an Alfa and Fiat DOHC is a Fiat DOHC.
I started developing doubts in February 2009n when I was asked some technical questions (like "What pistons, cranks, rings, camshafts do you want to use" or "what main bearings will we use". I did not quit expect to be asked these questions , but rather be told which will be the best for the engine we are building.
This made me think and discuss it with my co-pilot One such discussion took place in the presence of my wife . She listened for a while and said: "hy don't you just just take away the risk of experimentation , and go for a solution which is risk free. This certainly caught my attention. My wife continued: You are buying parts for the new engine from Guy Croft , these parts are experimentally mixed and matched with other parts by the Alfa expert . There is no guarantee such a "mix and match" approach will work. Engine is a very complex entity with lost or interdependencies. One mismatched component can cause the whole system to fail or at least to have a build in weakness. Lack of power , failure or incoherent performance will result. We are too poor to take such risk. Call Guy tomorrow and as him of he will build this engine for you. It may cost more up front , but it will be less costly over time. And most of all you will have a reliable, high power machine the first time around and you wiil enjoy it next season for seasons to come. To make her point she said she will fund this project (!!!).
On April 2009 my co-pilot and I jumped in the car, put all of our donor parts including the head and block plus the parts I have already purchased from Guy in the boot and drove to Lincoln, where I met Guy and his great wife. Spend all day with Guy learning first hand some of Guys ways. We discussed the rally and race track events I take part in, my expectations, etc. so that Guy may decide what engine would be the most suited. Ultimately Guy declared that this should be a Stage II Rally engine.
Leaving Lincoln I was utterly impressed I exceedingly happy with my decision to ask GC to build the new engine for me.
Soon after the project really started. I was updated on progress and with great anxiety studied all Guys reports on progress and looked at the pictures documenting each stage of progress.
Ultimately the engine was built and all that was to finalize the project was to dyno the new engine. Due to heavy commitments the dyno testing was delayed for some months. As it did not matter to me with the racing season still months away. Ultimately the tests started but had to be stopped , due to a mechanical failure of the dyno test unit. Later it proved that the dyno (a newly acquired Swiss unit) wil be tested on my engine. Well the engine survived , but the advanced and computerised dyno unit proved to have software problem which prevented rpm from being read over 6500. Finally Rotronix fixed the problem and Guy called with initial results. As you can imagine I was thrilled to hear the results, and amazed with disbelief seeing the dyno graph and tables.In fact I am a bit intimidated to think of actually having to must this "monster" engine in my car. That will be a sheer thrill. So the task now is to install it all of this into my car.
Please see:
viewforum.php?f=9
http://www.youtube.com/watch?v=vjzsUZLlgkI
http://www.youtube.com/watch?v=SzaSCVozu6c
To make the thrill more complete ,thanks to Guy's help I was also able to acquire full rear Abarth Grp. 4 suspension.
All this this is definitely is a turning point in this project.
Aside of new GC Engine and full Abarth front and rear suspension installation the car will be striped from Stradale upholstery, fitted with Abarth seats, safe fuel tank, mechanical extinguisher system, hydraulic hand brake, original Grp.4. doors, Grp. 4 rear view mirrors, large inner headlights , full steel /aluminum sump guard plate, ATE calipers front and rear, CD 68 15" wheels (7" front and 8" rear), removal of standard blinkers and replace them with original Julietta round white repeaters on the front , original Grp. 4.steering wheel, Grp. 4 gearbox, etc.
For 2011 season the plan is to install Grp. 4 safe fuel tank ( still awaiting completion), Grp. 4 dash board, composite front bonnet and boot lid. ( done in 2012)
The target is to achieve in 2011 a full, complete replica of Grp. 4 ( non tarmac , due to "small" non tarmac arches).
From one of many 131 Abarth Replica projects suddenly this turned into one of very few of this kind.
When I started the project , I never expected I will have a chance of driving a 131 Abarth (Replica) with a GC 185 BHP engine and full Abarth suspension, and full Grp. 4 specs in accordance with FIA homologation. Well, dreams do come true (with a little help of our friends and funding from your wife!).
Despite the title "never ending story" the chance are the project will be completed in 2011.
Miro
2013 start of the season update:
The plan is to get it to full homologation specs with the notable exception of 16v head and Cima gearbox.
Here is the list of assemblies sub assemblies we hope to achieve full homologation level complete before beginning of this season
1/ Suspension (done)
2/ Steering ( in process of installation)
3/ Brakes ( in process of installation)
4/ Livery ( planned for May 2013)
5/ Fuel tank (planned for mid year 2013)
6/ Aluminum door sheets ( expected in couple of weeks)
7/ Lexan side and rear windows ( awaiting installation)
8/ proper gr 4 towing hooks (under development)
9/ proper gr. 4 blinkers ( still to be acquired)
10/ proper gr. 4 wiper arms (under development)
Among additional elements w plan are:
1/ protection plate for the diff (under development)
2/ using side vents developed to cool brakes to feed cool air onto the diff (under development)
3/ installing additional new cockpit fresh air venting system, to make sure that we do not get cooked with only small sliding windows (under development)
4/whatever else we will find the time (and funds) for ...
Miro
PS: See page 38 of this thread for most complete and current ( with pictures) .
Last edited by miro-1980 on July 15th, 2017, 11:44 pm, edited 23 times in total.
www.Fiat-abarth-rally.com
GC_93
GC_93
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MODEL POST!
I think the car is brilliant, Miroslaw, well done!
Tech Q's - put them in GC Q&A if you'd be so kind, maybe with a photo just to highlight the thread. I don't get hardly any time to read much beyond Q&A*
Thanks,
GC
* which is by way of saying the non Q&A bits of the site have to pretty -well run themselves!
I think the car is brilliant, Miroslaw, well done!
Tech Q's - put them in GC Q&A if you'd be so kind, maybe with a photo just to highlight the thread. I don't get hardly any time to read much beyond Q&A*
Thanks,
GC
* which is by way of saying the non Q&A bits of the site have to pretty -well run themselves!
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Re: My 131 abarth (never ending) story 2008 end of season update
Dear Guy,
Please see the update to my original post .
Regards
Miroslaw
Please see the update to my original post .
Regards
Miroslaw
www.Fiat-abarth-rally.com
GC_93
GC_93
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Re: My 131 abarth (never ending) story 2008 end of season update
Lovely car Miro! WE have a road car , and a rally car 131 Abarth (s) here , so if you would like any help or pictures I' would be delighted to help .
Ford Sigma KA. GC_43
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Re: My 131 abarth (never ending) story 2008 end of season update
Thanks for your kind words!
I am preparing for installation of a full abarth rear suspension which needs to be manufactued for this purpose (well advanced).
The problem will be both in stallation itself as well as proper alignment of the rear. Any pictures, data, tables data abarth suspension would be precious.
Miro
PS Also, I underxtand there were differences between abarth and standard front suspension . I have zero on this.
M
I am preparing for installation of a full abarth rear suspension which needs to be manufactued for this purpose (well advanced).
The problem will be both in stallation itself as well as proper alignment of the rear. Any pictures, data, tables data abarth suspension would be precious.
Miro
PS Also, I underxtand there were differences between abarth and standard front suspension . I have zero on this.
M
www.Fiat-abarth-rally.com
GC_93
GC_93
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Re: My 131 abarth (never ending) story 2008 end of season update
Any pictures I have I will send . The Abarth Front is MacPherson strut , with a Tension strut ,and an ANti roll bar over the Tension strut . The lower suspension arms are the same as non abarth , apart from having a bracket welded on to attach the drop links from the ARB .
For rear assembly , I have heard of people using E30 BMW , it is easier got , choice of LSD's , and parts ae easier found . Plus it is still very similar to the Abarth .
For rear assembly , I have heard of people using E30 BMW , it is easier got , choice of LSD's , and parts ae easier found . Plus it is still very similar to the Abarth .
Ford Sigma KA. GC_43
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Re: My 131 abarth (never ending) story 2008 end of season update
could you please explain (a diagram would be ideal) what the "tension strut" is?
The normal 131 has an integral anti roll bar/track control arm, does the abarth still use this?
The normal 131 has an integral anti roll bar/track control arm, does the abarth still use this?
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Re: My 131 abarth (never ending) story 2008 end of season update
Member Leon from South Africa has numerous components for sale that would worth exploring.
GC
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Re: My 131 abarth (never ending) story 2008 end of season update
A far nicer car than all those pesky (and vastly over priced) Escorts!
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Re: My 131 abarth (never ending) story 2008 end of season update
There is a thread with details on the rear supension here:
viewtopic.php?f=14&t=524
where another member Walezy already constructed a replica.
Thomas
viewtopic.php?f=14&t=524
where another member Walezy already constructed a replica.
Thomas
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Re: My 131 abarth (never ending) story 2008 end of season update
No , the Tension strut replaces this . It attaches to the lower arm in the same place as the ARB , and runs forward same as the ARB , but is attached directly to the front cossmember . Some people call them brake reaction arms . I will get a picture hopefully soon . (having problems with my image hosting site) . The ARB is comletely separate as a result .Testament wrote:could you please explain (a diagram would be ideal) what the "tension strut" is?
The normal 131 has an integral anti roll bar/track control arm, does the abarth still use this?
Ford Sigma KA. GC_43
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Re: My 131 abarth (never ending) story 2008 end of season update
found a picture! This is a 131 AR Stradale I rebuilt for a friend .
Ford Sigma KA. GC_43
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Re: My 131 abarth (never ending) story 2008 end of season update
I would not say the E30 rear axle is very similar:For rear assembly , I have heard of people using E30 BMW , it is easier got , choice of LSD's , and parts ae easier found . Plus it is still very similar to the Abarth .
The 131 Abarth uses a McPherson type.
However, the E30 is widely avalable and a good selection of gear ratios + LSD is available.
It also works quite good.
And it comes completely with a frame...typical trackwidth is ~1400mm .
3-point adjustment to the car-body visible in picture.
Could give more data if necessary...
Thomas
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Re: My 131 abarth (never ending) story 2008 end of season update
Well ok , not very similar , but it is still an Independant Rear Suspension set up , with the Diff and halfshafts arranged in much the same fashion as the 131 AR . Are there any other cars with a more Fiat like rear end? Any of the current crop of Japanese sporting hatches or saloons?
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Re: My 131 abarth (never ending) story 2008 end of season update
It is easier just to use BMW diff and make the rest from scratch. No need to use BMW suspension, you need just the diff.
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