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Old Mar 9, 2005 | 01:28 PM
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helicon's Avatar
helicon
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351m or 351w?

i recently changed the timing chain, water pump and harmonic balancer on my 79 ford f250 4X4, and all the parts matched as being for a 351m, but when i changed my oil pump and bought new gaskets for the oil pan, the modified gaskets didn't match up but the windsor gaskets did. i can't find any identification on the engine anywhere. how can i be sure what it is? thanks for the help
 
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Old Mar 9, 2005 | 01:31 PM
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dave74-360bb
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From: manitoulin island ontario
have you owend the truck since new?
if not some one may have changed it to a 351w
not sure if timing chains etc. are same but know starters alts. etc are all interchangeable
 
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Old Mar 9, 2005 | 02:39 PM
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Count the valve cover bolts. If your engine is a 351W, it will have 6 of them - 8 if it's an M block. The heads are not interchangeable, so this test will tell you once and for all.

Ernie
 
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Old Mar 9, 2005 | 02:44 PM
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The heads are interchangable but not without the use of special intake manifolds on each engine.

Valve cover bolts is the quickest and easiest way to know though, the likelihood of someone using a custom intake to use other heads is almost nonexistent.

Have a great day,
Doc
 
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Old Mar 10, 2005 | 04:39 PM
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helicon
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thnaks for the help - its an m
 
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Old Mar 10, 2005 | 06:54 PM
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Thanks for the clarification, Doc. I should have been more specific.


Ernie
 
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