Minimum lenght of intake manifold for DCOE.
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- Posts: 184
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- Location: Lodz,Poland
Minimum lenght of intake manifold for DCOE.
Hello.
Dear GC, could you tell me which lenght is minimum for intake manifold lenght for 45 DCOE in my spec. 2L TC ? The whole spec. of my engine you have here. The excepted output that I want to get it was also placed in thread below.
viewtopic.php?f=13&t=3377
I want to make a 2.75" manifold, but after first test it will be a very complicated to make and fit in a really tidy 125p engine bay, especially if I want to make also a sealed cold air intake system.
I made some 3D models of DCOE flange, cylinderhead flange etc., I will share with you and members soon.
Thanks.
Piotrek.
Dear GC, could you tell me which lenght is minimum for intake manifold lenght for 45 DCOE in my spec. 2L TC ? The whole spec. of my engine you have here. The excepted output that I want to get it was also placed in thread below.
viewtopic.php?f=13&t=3377
I want to make a 2.75" manifold, but after first test it will be a very complicated to make and fit in a really tidy 125p engine bay, especially if I want to make also a sealed cold air intake system.
I made some 3D models of DCOE flange, cylinderhead flange etc., I will share with you and members soon.
Thanks.
Piotrek.
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Re: Minimum lenght of intake manifold for DCOE.
it depends on two principal things:
1. The length of the exhaust primary pipes - this is quite critical..
2. Where you want the torque and power
G
1. The length of the exhaust primary pipes - this is quite critical..
2. Where you want the torque and power
G
Guy Croft, owner
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- Posts: 184
- Joined: December 2nd, 2012, 3:45 pm
- Location: Lodz,Poland
Re: Minimum lenght of intake manifold for DCOE.
Exhaust header - 38mm inside, 33-36" lenght
Power about 170bhp - 7000-7200 rpm.
Rest of spec. here
viewtopic.php?f=13&t=3377
Power about 170bhp - 7000-7200 rpm.
Rest of spec. here
viewtopic.php?f=13&t=3377
GC approved
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Re: Minimum lenght of intake manifold for DCOE.
with that header you can make the inlet manifold any length you want..
G
G
Guy Croft, owner
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- Posts: 184
- Joined: December 2nd, 2012, 3:45 pm
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Re: Minimum lenght of intake manifold for DCOE.
Ok, so I will make it as long as possible (it will be a slighlty offset to get extra lenght).
About airbox and rampipes, I think I will go the same way as S&B125 Thanks GC for your answer.
About airbox and rampipes, I think I will go the same way as S&B125 Thanks GC for your answer.
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Re: Minimum lenght of intake manifold for DCOE.
You will HAVE to use a sealed airbox with remote filter to cold air or it will probably detonate..
most people ask, 'can't I (just) use a bonnet scoop..?'
My answer is I do not know. It is a big risk if it doesn't work..
G
most people ask, 'can't I (just) use a bonnet scoop..?'
My answer is I do not know. It is a big risk if it doesn't work..
G
Guy Croft, owner
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- Posts: 184
- Joined: December 2nd, 2012, 3:45 pm
- Location: Lodz,Poland
Re: Minimum lenght of intake manifold for DCOE.
I only showed how I want to solve a problem with space for airbox end, it will be of corse sealed air intake system.
I saw a lot of rally/race TC with only "net" type filters on a rampipes and owners didn't know what they have problems with detonate and head gasket failures. I want to avoid it as most as I can, but a very limited space for intake system is a real problem, but I think I will solve it with your help.
I saw a lot of rally/race TC with only "net" type filters on a rampipes and owners didn't know what they have problems with detonate and head gasket failures. I want to avoid it as most as I can, but a very limited space for intake system is a real problem, but I think I will solve it with your help.
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