67 Chev V8 307 pistons, 1.84" intake valves(Cut down 1.88 305 valves) in a 194 head. Pocket port the valve pockets. Split exhaust manifold and dual carbs or if dual carbs arent in your budget a carb froma 292 truck is big enough for serious power. Comp cams has some nice street cams. I have used the one that says max grind for stock converter. Customer is very happy and tell me it has a way more power than the 305 V8 it replaced,. Get rubber in all three gears adnd is just exellant on gas. That is what he told me. It is a 250
