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Old 03-01-2006, 11:03 AM
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MerCruiser 302

I was wondering what the stock specs were on a MerCruiser 302? Are there any differences between Ford and MerCruiser 302's? I recently picked up a MerCruiser 302 that was built for racing in mud competition trucks. Ran strong in the 38 in tire class. Putting out around 300+hp before it was taken out. The block casting number is D2OE-AB. 3602423 is the number on the MerCruiser serial number tag. Has a Edelbrock Perfromer 289 intake, a Holley 650cfm Double Pumper carb, headers, and some other parts including dished pistons. Any way to figure out what cam it has?


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Old 03-01-2006, 02:00 PM
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Marine spec blocks got some differences, but none that really prevent you from using it as a street block. Double check the tranny bellhousing pattern. Some marine blocks were cast with chevy patterns since most outdrives were based on the chevy pattern.

Otherwise, brass or stainless freeze plugs, spark arrestors on the alternator, carb, and distributor, and some had special bosses for motor mounts.

Check here for more in-depth info...
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