94awdcoupe
15+ Year Contributor
- 1,414
- 205
- Nov 6, 2004
-
tampa,
Florida
would love to see some pics of the wilson inside. what I did to me manifold is making runners shorter and plenum larger. the plenum on these is very small. and the humps inside are pretty substantial. I would say a step toward restricted compared to evo 8 mani which is similar but much improved in stock form. it is my theory you get close to zero gains porting runners. they are not a restriction. 95% of the gains are coming from improving the airs ability to make right hand turn inside the plenum. and making runners shorter which moves hp higher in rpm curve. my 2.3 hta green on FP2 cams picked up 35hp with no other changes. the cams smallish for a stroker it really like the manifold porting. there are back to back dynos of Maps rev 2 picking up 32whp. that work is porting only, not a cut open effort. I am not selling anything here. just reporting what happen with my setup. I was more than shocked at the gains myself. wasnt expecting much at all.
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