496 mag upgrade help

JordanFast

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Oct 10, 2013
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So I just bought a 2004 34' boat with twin 496 mags. It goes low 70's. I wondered if there is a way to get more power out of then without a supercharger of any kind. I'm limited on room, the engine goes right to the top of the roof of the hatch when its closed.
 

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Re: 496 mag upgrade help

So I just bought a 2004 34' boat with twin 496 mags. It goes low 70's. I wondered if there is a way to get more power out of then without a supercharger of any kind. I'm limited on room, the engine goes right to the top of the roof of the hatch when its closed.
Hi there, since you have the mag engines, you could do a stock HO camshaft + a few other stock changes like this guy did.496 mag to 496 mag HO conversion
 
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