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The motorhome piston tops are a lot thicker than the same year passenger car and light duty pistons are, good for supercharging put two carbs on it to make it look tuff You can make 600 HP easy on pump gas, 700 is doable also if your careful



what he said. I'd use the 73.. get a custom cam made top it w/ a pair of holleys and I'd think you'd have an easy 600+.

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Coming soon!!!!