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Retro fitting ITB's to the S?

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Old 07-26-2005, 08:30 AM
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No way is there 50bhp midrange gains 20 maybe..

As for the vauxhall engine, well thats cos the std inlet manifold, is for want of a better word, shite! Even so I am dubious of getting 50bhp just by bolting them on and changing the mapping.

Fundamentally 238bhp from a 2litre NA engine is very very good, its the law of dimishing returns I am afraid
Old 07-26-2005, 08:45 AM
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Originally Posted by foz01,Jul 26 2005, 04:30 PM
No way is there 50bhp midrange gains 20 maybe..
So is Jenvey's dyno plot inaccurate or is your mapping not too hot?
Old 07-26-2005, 02:10 PM
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The former

Someone can feel free to plot my plots against a std engine, as I never got mine dyno'd til after the work was done..
Old 07-26-2005, 11:42 PM
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Right, back to supercharger dreaming it is then Dark Blue Mark, stop asking quesitons on the FI board - if you dig up too much info I'll feel confident about fitting a supercharger which is nice and reliable
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