I'm building k24a2/k20z1 stock cams
Cr 11.5, big tube header, Rbc TB 75mm
I want to try to extract the maximum power with stock cams, do you think it would benefit from making an IM joe style 9.0 or 8.5?
Anyone had experience with joe 8.5 or 9.0 keeping stock cams?
you're not going to be revving a stock k24a2 to 9000rpm long enough to justify an intake manifold tuned for that rev range. You'd be better off with manifolds designed to peak around 7500 to really make the best of your combo in my opinion.
At 8500 you are averaging 28 m/sec or 5500 ft/sec average piston speed. You are well beyond Formula1 or NASCAR levels. Your choice. And without long cams, it won‘t peak high anyhow as you run out of breath
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