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Old 11-01-2005, 12:41 AM   #1
82 GT
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Default Re: Tryin To Figure Out What Motor I Have

I stand corrected. Anyhow, IMHO, I would opt to look for a Windsor engine because there are more aftermarket parts available.
You'll spend less money to make more power with a windsor than you would a "modified" engine. That's just me though.

The only way I know to tell them apart is if you take the engine apart. The 400m has a longer stroke(4 inches) and the 351m has a 3.50 stroke. The pistons in the 400 also have a higher compression height.
Unless somebody on here can decipher the rest of the codes.......
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Old 11-02-2005, 03:26 PM   #2
~The Jester~
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Default Re: Tryin To Figure Out What Motor I Have

Need more than casting codes to tell.

If it's got a "big block" (BTW, Ford never built a "big block" that was Shivvy) bellhousing pattern, it's definitely a 351M/400/351 Cleveland. Since they didn't put Cleveland's in a 78 cougar, and 62% had a 351M and only 5% had a 400, I'd bet money it was a 351M.

To know FOR SURE, tear it apart and measure the crank throw. That's the only way to tell for sure.
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Old 11-06-2005, 08:12 PM   #3
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Default Re: Tryin To Figure Out What Motor I Have

Quote:
Originally Posted by 82 GT
The only way I know to tell them apart is if you take the engine apart. The 400m has a longer stroke(4 inches) and the 351m has a 3.50 stroke. The pistons in the 400 also have a higher compression height.
Did I hear an echo in here.
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Old 11-06-2005, 09:20 PM   #4
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Default Re: Tryin To Figure Out What Motor I Have

Can I Use Clev. Pistons
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