Offshoreonly.com - Reliable performance, 496, 525 or 600 any thoughts

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Offshoreonly.com (https://www.offshoreonly.com/forums/)

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- - Reliable performance, 496, 525 or 600 any thoughts (https://www.offshoreonly.com/forums/general-q/173201-reliable-performance-496-525-600-any-thoughts.html)

Knot 4 Me

11-16-2007 11:13 AM

Quote:

Originally Posted by bobl (Post 2337894)

Stock pan, but added a large oil cooler. This engine ran 3 years stock with a Whipple. He detonated a piston this summer so we rebuilt it with forged pistons and Edelbrock Etec heads. I'm using a FAST ecu, since it had the PCM 555 originally and there was no programming available. I believe Whipple has since gotten a program worked out.

Bob

Thanks! Got a friend with twin 6.2's that has been hinting of an upgrade.

EdNewman

11-25-2007 04:32 PM

Stay away from anything with CMI headers! My Merc's have been great except for the TWO times the CMI headers failed. $40,000.00 later. Get some 496's and supercharge them or anything without CMI headers.

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