Good buildup to reach 400+ horsepower 302 truck

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Originally Posted by Ieatcamaros

Stock heads have 58cc chambers, I think. Twisted Wedges have 61cc chambers. On a stock bottom end, you'd be looking at dropping .25 or so. I use Dyno 2000 too. Sometimes, the numbers seem way off to me, but other times they seem right. I haven't pinpointed exactly why yet either. I'll see what I get with a B303 in a stock 302.

Stock heads have 64cc chambers. My Canfields have 58cc chambers, now I have to run super unleaded with my timing advanced or it pings but the extra HP is worth it.