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Old 08-14-2005, 08:17 AM
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Default 454mag EFI Mods
Are there any easy mods that can be mad to a 454mag EFI to gain a few HP. I currently am spinning a 23mirage plus at 4800 rpm at a top speed of 62mph. Would like to spin a 25p if possible to see over 65.
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Old 08-14-2005, 09:46 AM
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Default Re: 454mag EFI Mods
Originally Posted by Fast Forward
Are there any easy mods that can be mad to a 454mag EFI to gain a few HP. I currently am spinning a 23mirage plus at 4800 rpm at a top speed of 62mph. Would like to spin a 25p if possible to see over 65.
Go to crockettmarineengines.com. He has a nice upgrade kit for your motor. Shaves and ports the heads, taller cam, better flowing exhaust, reprograms the ECU and plumbs the fuel system all for about $6,500. These mods should spin that 25P prop well over 65.
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