Lada 2101, 1971, 2.0T, Kopikasracing

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valdz
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Lada 2101, 1971, 2.0T, Kopikasracing

Post by valdz » June 6th, 2008, 7:52 am

Hi all,

Here is topic of my drag project Lada 2101, with Fiat Argenta 2.0 engine.

Engine details:
*LC forged pistons from GCRE
*SPM 4340 rods
*Nava Linea head gasket with split fire rings from GCRE
*Head ported, racing valves
*Grubscrews in aux d/s or crank oil gallery from GCRE
*Adjustable camwheels
*Bolts – GC head 12.9 grade race, forged head, rolled thread from GCRE
*1" belt - GCRE
*Reconditioned oil pump by GC
*Crank scraper
*BMW oil squirters
*Turbo Holset hx40 super
*50mm wastegate
*BOV
*PWR barrel intercooler (water-air)

EFI
*Megasquirt PCD 3.0 ver 2 EFI with Extra code
*Innovate WB02 with gauge
*Audi throttle body
*BMW COP's
*Niva 60-2 trigger wheel

Axles:
Front - modified Lada original
Rear - Toyota Hiace with LSD

Gearbox: Fiat Argenta
Clutch: Twin plate sintered Helix
Flywheel: Special - Steel, 3.9kg

Safety :
8 point rollcage
Sabelt Monte Carlo seats x 2
Sabelt 6 point harness x 2
OMP Fire supression system
RCI Transmission Blanket (SFI)
Driveshaft Safety Loop


I have been able to do only one start and then put the gear wrong (from 2nd to 5th).
60ft time was 1,725

Next drag race will be in 2 weeks, and then we plan to run some normal times 12.xx. Not yet dynoed the car - hope to do that next week.

Here is a video from the first drag race.
http://tw.youtube.com/watch?v=tH-67OSyaX0

My webpage (I will update it soon):
http://www.kopikasracing.ee

(GC note - these links have been posted strictly with my express permission)


Indrek Valdmann
Kopikasracing
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valdz
Posts: 10
Joined: October 10th, 2006, 2:02 pm
Location: Estonia
Contact:

Re: Lada 2101, 1971, 2.0T, Kopikasracing

Post by valdz » July 2nd, 2008, 1:36 pm

22 june we got 12.56sek 1/4 mile @ 176km/h. Still haven't got the time to go to dyno, hopefully this month.

valdz
Posts: 10
Joined: October 10th, 2006, 2:02 pm
Location: Estonia
Contact:

Re: Lada 2101, 1971, 2.0T, Kopikasracing

Post by valdz » October 27th, 2008, 12:48 pm

So this season is over and best ET was 12.56 as seen in last post. (The car is currently ~1300kg, including me). For first season it went quite good.

Biggest problems were:
* Gearbox (broke 2)
* Megasquirt EFI (had some rpm spikes etc - fixed the problem)

Broke on 7000rpm.
Image
Main shaft broke on start.
Image


At last I had time to go to the dyno. Here is the dyno sheet. This is rwhp.
Image


For next year i'm thinking to convert to th-350 automatic gearbox and make new 8valve head with more aggressive cams and bigger valves.

Guy Croft
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Re: Lada 2101, 1971, 2.0T, Kopikasracing

Post by Guy Croft » October 27th, 2008, 1:52 pm

Wow!

What are the cams & max boost Indrek?

GC

valdz
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Joined: October 10th, 2006, 2:02 pm
Location: Estonia
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Re: Lada 2101, 1971, 2.0T, Kopikasracing

Post by valdz » October 27th, 2008, 2:08 pm

Hi Guy,

Intake cam is original.
Exhaust cam from Volumex (Bought from You).
Both degreed 110*.

Boost was 2 bar at 7500rpm. In 5400rpm 1,3 bar.
Intake temp was at start 15* and in end of pull 55*.

Guy Croft
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Re: Lada 2101, 1971, 2.0T, Kopikasracing

Post by Guy Croft » October 27th, 2008, 2:15 pm

Thanks Indrek

Fantastic result from OE type cams - hope all the guys who want to do a cam-swap to 'upgrade' their turbo motor are watching this one.

Get that intake temp down though, 45 deg C tops. Spray water on the charge cooler..?

GC

valdz
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Joined: October 10th, 2006, 2:02 pm
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Re: Lada 2101, 1971, 2.0T, Kopikasracing

Post by valdz » October 27th, 2008, 2:31 pm

The intake temp cooling issue is in the todo list for next year. I have air-water cooler (barrel top of the picture), but currently the water supply lines are long and pumps can't push needed amount of water through the cooler.

Intake temperature:
example of one start.

Outside temperature was 25*
ET = 12.6 sec

Start 17.1*
End of first gear: 24.2*
End of second gear: 34.4*
End of third gear: 43.9*
End of fourth gear: 52.3*
Fifth gear; end of 402 meters 55.8*

5 seconds after finish: 36.7*
10 seconds after finish: 30.2*
15 seconds after finish: 27.3*
20 seconds after finish: 25.2*
30 seconds after finish: 22.1*
40 seconds after finish: 20.6*

Image
Last edited by valdz on October 27th, 2008, 2:34 pm, edited 1 time in total.

Guy Croft
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Re: Lada 2101, 1971, 2.0T, Kopikasracing

Post by Guy Croft » October 27th, 2008, 2:34 pm

MODEL POST!

It's got the detail, it's very well written with nice quality photos, and it follows throuhg to the race and dyno results too!

Well done Indrek,

GC

valdz
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Joined: October 10th, 2006, 2:02 pm
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Re: Lada 2101, 1971, 2.0T, Kopikasracing

Post by valdz » October 27th, 2008, 2:59 pm

Thank You, Guy. Not just for the last post, but helping me with this project. I'm really grateful for the information you have given within past few years.

Guy Croft
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Re: Lada 2101, 1971, 2.0T, Kopikasracing

Post by Guy Croft » October 27th, 2008, 3:31 pm

Indrek, hi!

Thanks for those very kind words. It has been a real pleasure and I am thrilled to see Kopikas taking shape!

GC

RedLexus
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Re: Lada 2101, 1971, 2.0T, Kopikasracing

Post by RedLexus » February 9th, 2009, 11:50 pm

Very impressive! I have really gotten the Lada bug since we got a 2105 Rally car . 1300 KGs though? It seems quite high?
Ford Sigma KA. GC_43

valdz
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Joined: October 10th, 2006, 2:02 pm
Location: Estonia
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Re: Lada 2101, 1971, 2.0T, Kopikasracing

Post by valdz » February 10th, 2009, 11:34 am

Thanks.

Yes the car weight is too high, I have added some weight due to better traction, but currently it's to much. The rules say for 2.0 liter car with turbo must be more than 1100kg (including driver).

We plan to reduce weight replacing glass with lexan and some other mods.

RedLexus
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Re: Lada 2101, 1971, 2.0T, Kopikasracing

Post by RedLexus » February 10th, 2009, 12:17 pm

Our car has Lexan side windows , stripped out interior , but with all rally gear such as rollcage , extinguishers and so on . All steel panels apart from a fibreglas bonnet and arch extensions . Homologation papers say 950 kg I think . Regardless , your car is very well engineered!
Ford Sigma KA. GC_43

valdz
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Joined: October 10th, 2006, 2:02 pm
Location: Estonia
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Re: Lada 2101, 1971, 2.0T, Kopikasracing

Post by valdz » August 24th, 2010, 6:13 am

It's been quite a while now since posting some news here.

Last season went quite badly for us, we converted the Lada to Chevy th-350 gearbox and there were many issues, we did only one drag race.

This year we finished the car few weeks ago and at last we dyno tuned it a little.
Current engine specs are: (Other info is in first post )
*in 45mm / ex 38mm valves, ported
*Original Fiat Argenta 120ie intake and exchaust cam, degreed at 110 (we haven't tried other degrees yet)

Here is the graph:
Image

Here is visible two pulls, info on the right is on max hp.
From engine (calculated with automatic gearbox loss ~20%)
574Nm@3700 rpm
420hp (350rwhp) @ 5800 rpm

Also we paticipated in one dragrace, we did only 3 starts, best ET was 12.2s, but with 2.2sec 60ft and 188km/h trapspeed. We didn't get the power down in first gear, so the ET goal for this year is middle 11s.
Car weight 1250kg, because of the rules.

Image

Guy Croft
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Re: Lada 2101, 1971, 2.0T, Kopikasracing

Post by Guy Croft » August 24th, 2010, 3:09 pm

THOSE ENGINE OUTPUT FIGURES ARE PHENOMENAL!


GC

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