Quote:
Originally Posted by go_a_way1
Nice little write up! and just so you know increasing the runner length with those "power blocks" will bring the power band down into the lower RPM range and not "fatten" it up haha. Example: instead of making peak power at 7000rpm you will make the same/similar peak power but now at 6500rpm. However if they increase area under the curve then you will be increasing your usable power band therefore making your car faster.
edit: if you want more top end power shorter runners are the way to go, but you will lose power down low
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Yah I'll have to see what my butt dyno says when I put them in. What I meant by upper RPM is 5000 up, yeah they shift the peak down a little and 7000+ suffers but I don't think I'll miss that 5 lb-ft 7000-7400 in daily driving
I think tuning can bring that deficit back too - I think Moto-Mike has a good thread on them somewhere - we'll see.