Contour Enthusiasts Group Archives Forums General Dyno and Drag EH'd UIM dynoed with confusing results.

Originally posted by JonnySVT:

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If our cfms are higher in the EH manifolds, wouldn't that mean the air flows faster?

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Nope, that just means the manifolds are capable of flowing that much. Doesn't mean the engine is capable of providing the pull to match.

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I'd agree, as a mentioned earlier, I think the non-SVT cams likely can't utilize the extra flow. The engine is capable of utilizing it , just not the current setup . IIRC, several CEG'ers have seen reasonable gains by maxing out their UIM flow (DemonSVT, etc.) but their setups allowed the engine to utilize that extra flow.

Ronan has the exhaust work done, he's running an ST200 TB and intake pipe and his heads have been ported and polished but he's running stock cams which are likely maxing out.

The SVT's make all their extra power over non-SVT's on the top-end.

Regards, Alan