351 How can I tell what version it is, 351 W, C, or M? ??

1935 FORD F-150
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JASONMICHEL
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have a 1992 F150 scab 4x4 with 5.8L.

Originally had a 302, previous owner switched out to a long block 351. my question is. How can i tell what version it is, 351 W,C, or M? i want to buy a gasket set for it but not sure which version, didn't know if there was a tell tale way to tell.

Second question

a few weeks ago the passenger side window won't roll down anymore, it don't even make any noise? is this more than likely the motor or the relay? where can i find the relay for it at?

Thanks in advance
Nov 30, 2007 at 4:43 AM
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MERLIN2021
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I think Modified and Windsor take the same set, Cleveland all plugs point the same way....
Nov 30, 2007 at 4:48 AM
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STRAILER
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they both do, here is the valve covers of each so you can see which one is which. The first one is a windsor and the other a Cleveland. Check out the images (below). Let us know if you need anything else.
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Jun 19, 2024 at 11:12 AM
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