Scream'n 318 ?

rumblefish360 said

I know you asked 318WR, but my personal 2 cents is spend some money on good heads to couple it with a solid roller and you’ll be way way ahead of the game.

If stock heads are the sticking point and all you have are 328 heads, your behind the 8 ball and I’d start looking at some restricted racing classes & how they do it. A fella that knows a little something about it would be @Hysteric and a few other members who’s names are escaping me right now.

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I guess my concept would be to see what they're capable of in "mostly stock" form. At the bare minimum, I'd gasket match, port and polish the 302s, go with a solid roller cam slightly larger than stock, and 1.88/1.60 valves. 4bbl intake and carb as well.

All things considered, it would be an entirely different motor than it started life as, with minimal investment. It was a 2bbl lean burn with smog pump, AC, and two catalytic converters. Suffice it to say my baseline has nowhere to go but up. Not trying to get crazy (yet).