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Author: Subject: R1 exhaust manifold question
Squadge

posted on 10/5/17 at 09:24 PM Reply With Quote
R1 exhaust manifold question

Hi everyone, would unequal length exhaust headers cause a problem?
Thanks
Marc

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james h

posted on 10/5/17 at 09:57 PM Reply With Quote
Equal length headers do help with torque and torque spread, but if they're not massively out it shouldn't be too much of an issue.

I've just finished a uni project simulating an R1 engine, I still have the files. At some point after Friday I can run the simulation to see a rough estimate of the effects?

Bear in mind it won't be a like for like comparison, it will just give a general impression of what sort of difference you might expect.

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Squadge

posted on 11/5/17 at 05:04 AM Reply With Quote
Please if you could, that'd be ace, I've had to make the manifold with unequal length headers due to lack of room, it's not in a kit car it's in a reliant kitten.
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Phil_1471

posted on 17/5/17 at 07:27 PM Reply With Quote
Mines un equal lengths, R1 4xv. makes same power as standard, unless you are after real performance and chasing 10ths of seconds on a track etc, then you won't really notice.
Phil





You can live in a car but can't rally a house

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Squadge

posted on 19/5/17 at 08:54 AM Reply With Quote
Thanks for that Phil,
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james h

posted on 19/5/17 at 09:16 AM Reply With Quote
Last exam today, it will have to be next week before I can run the sim, sorry about the delay! I'm interested to see the results too
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