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Originally Posted by 73sport
So - no info????
All you folks putting custom intakes/exhausts on and you have no idea how it effects the engine? Like what will it do to the torque curve, throttle response, HP and acceleration???
Strange....
If someone knows where to look, I would like the info so we can plot some actual vrs simulated Torque and HP numbers.
Regards,
RA
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Headflow numbers doesn't tell much about the torque/power curve. You have to go to a dyno to get that info because the actual power curve is derived from a complete intake and exhaust system. From filter to intake pipe to TB to intake manifold, cam specs, valves, etc... you know the rest. Unless you can have a shop that can flow your entire system from air filter down to the exhaust tip, it doesn't show anything. Having factory headflow numbers is nice to play around with on a simulator, but as we all know, there is at least +/- 15% variance from heads to heads whether it is bad casting or poor difference in machining, so the numbers on your simulator would be kind of skewed anyways. It's simply not that useful to look for stock flow numbers. It is much better to have your actual cylinder head flowed to get some numbers, put all the specs on your simulator, and then put your actual car on the dyno from stock to bolt-ons or whatever and check the accuracy.
Did you call my engine builder like I said earlier? He has the numbers of my stock cyl head if you still want them.