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Old 12-10-2014, 10:50 AM   #37 (permalink)
synolimit
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Location: Columbus, OH
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Quote:
Originally Posted by 1cleanZ View Post
Can you explain both of these statements??? Between 4500-5k RPMs, where the M370 is known for its low end tq gains, the Z1 manifold is clearly almost 10whp AND ft/lbs of TQ lower!!???

Its all going to come down to opinions of "which is better" because different people have different wants out of the manifold(top end whp, or lowend midrange TQ). The Z1 Manifold has some clear gains up top over the M370, but are those truly "gains" when comparing to the M370, or just avoiding losing top end AND losing low end vs the M370.

The Z1 needs to be compared vs the OEM manifold, not the M370 to get true gains vs OEM.
That's only 500rpm and probably a MAF spike. You wont be able to feel that or compare it cause look at 4000-4500rpm. It says the OEM made the opposite vs 4500-5000rpm. Hence why run 7 and run 12 both make the same TQ.

I wouldn't say it's clear, what else was done? Do we believe this with no other data? I hate peoples belief sometimes in a big company that what's put down on paper must be 100% true.

I did this already but I compared the OEM mani vs a ported upper, lower and ported throttle bodies. Theres a reason they won't show you OEM vs just a ported upper (1-2hp maybe). My testings not complete though. We will redo this soon with this cars cats remove.


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Last edited by synolimit; 12-10-2014 at 10:59 AM.
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