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Topic Review (Newest First)
08-12-2008 07:00 AM
Luiz
Quote:
Originally Posted by powerrodsmike
A 351M/400 uses different motor mount placement as well as the BB bellhousing...Learned that one the hard way when I used a 351 cleveland for mocking up my motor mounts in a 54 Ford pickup that was going to get a 400 installed.

Later, mikey
It seems that we are always learning in the hard way. After bolting a Edelbrock intake in my 283 I found that the alternator bracket would not fit...
08-12-2008 06:57 AM
Luiz
Quote:
Originally Posted by junkyardjeff
A 351-W will bolt in with only some exhaust modifications due to being about a inch taller. Jeff
Forgot that detail... Thanks for making me remember. We now got a 351W with a small crack in one of the cylinders. Think that a sleeve wil do.
08-11-2008 09:32 PM
powerrodsmike A 351M/400 uses different motor mount placement as well as the BB bellhousing...Learned that one the hard way when I used a 351 cleveland for mocking up my motor mounts in a 54 Ford pickup that was going to get a 400 installed.

Later, mikey
08-11-2008 08:53 PM
junkyardjeff A 351-W will bolt in with only some exhaust modifications due to being about a inch taller. Jeff
08-06-2008 04:15 PM
Luiz
Quote:
Originally Posted by oldred
You got that right, a 351M would be a really bad swap even if it was a bolt in fit!
This engine seems to be the classic "boat anchor"
08-06-2008 04:00 PM
oldred
Quote:
Originally Posted by techinspector1
I think this would be a reeeaaaaally bad swap.

You got that right, a 351M would be a really bad swap even if it was a bolt in fit!
08-06-2008 02:10 PM
techinspector1
Quote:
Originally Posted by Luiz
Hi, there's a guy down here in Brazil selling a '77 Ford 351M engine. Would it fit a '69 Mustang without adaptation? I mean things like fabricated engine mounts, etc. The car has presently a 302 Ford. Thanks, Luiz
I think this would be a reeeaaaaally bad swap.
07-31-2008 05:13 AM
Luiz
Quote:
Originally Posted by Silver Shaddow
Yup, the 400M truck motor also uses the Ford big block bolt pattern.

I think you are right, a standard passenger car Cleveland or Windsor engine would be better, and I believe both also have a higher compression ratio and rated horsepower than the "M" truck motors.
Not withstanding that probably the M engine parts are more expensive.
07-30-2008 07:43 PM
Silver Shaddow Yup, the 400M truck motor also uses the Ford big block bolt pattern.

I think you are right, a standard passenger car Cleveland or Windsor engine would be better, and I believe both also have a higher compression ratio and rated horsepower than the "M" truck motors.
07-30-2008 05:05 AM
Luiz
Quote:
Originally Posted by Silver Shaddow
Don't know about the engine mounts, but the bellhousing to engine block bolt pattern is different. The "M" series engines used the Ford big block bolt pattern which is different to the normal 351/302 Windsor and 351/302 Cleveland small block bolt pattern.
Thanks for the information. I guess that there's too much hassle involved in this swap. The car belongs to a friend of mine and he'd have to find a Ford big block trans. Better find a 351W. Chevy is more rational on this. The engines, small or big block, use the same pattern.
07-30-2008 01:47 AM
Silver Shaddow Don't know about the engine mounts, but the bellhousing to engine block bolt pattern is different. The "M" series engines used the Ford big block bolt pattern which is different to the normal 351/302 Windsor and 351/302 Cleveland small block bolt pattern.
07-29-2008 06:12 PM
Luiz
351M, does it fit?

Hi, there's a guy down here in Brazil selling a '77 Ford 351M engine. Would it fit a '69 Mustang without adaptation? I mean things like fabricated engine mounts, etc. The car has presently a 302 Ford. Thanks, Luiz

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