5.3L capable of 450RWHP
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This is your best bet if you want to stay small-ish cubes. Check out car crafts latest mag issue that did basically what you are wanting to do. Have them bore it to 3.898 which is the stock 5.7l bore size. You can find forged pistons from Mahle, Speed Pro, Sealed Power, and a few other companies in that size that will get you close to 12.5 to 1. Also check out Engine Masters, they had a build done by Tony Mamo (AFR cylinder heads) that put out 550 hp to the flywheel, this could be your goal.
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zblee
GM Engine & Exhaust Performance
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11-11-2015 12:41 AM
125, 450, 53, 53l, afr, assemblies, capable, engine, gm, horsepower, hp, rotating, setting, supercharged, v4