351M HEADS - Off-Road Forums & Discussion Groups
Ford 67-96 F-Series, 78-96 Bronco All discussions of 67-96 F-Series Trucks and 78-96 Broncos

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post #1 of (permalink) Old 08-08-2005, 09:15 AM
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I was hoping if anyone knows of a company that makes a/m heads for the 351M. I am looking to rebuild my motor in my 78 Bronco. I'd like to swap the OEM heads for Alum., or and a used set that will bump up horsepower and torque.

Or would it be better to keep original heads with new valves and springs and swap pistons? I saw in a earlier post that flat top pistons can make a M scream. I already have a hot cam, intake and 4bbl on motor, but I don't think motor has been really rebuilt in some time.

Thanks for any info.
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post #2 of (permalink) Old 08-10-2005, 02:32 AM
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Re: 351M HEADS

Some 4v cleavland heads will wake it up but there goes running cheap gas and having low-speed tourque.. 400 heads are better as they have big valves you can bump the compression with flat-top pisons.. also edelbrock makes some M heads for the 351 and the 400 if i recall but they cost a small fortune...
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