crank shaft

Doug Renton · #1 (**permalink**) 09-30-2002, 10:16 PM

I acquired a 351 Windsor engine; the crankshaft was out of the engine. The number on the crank is 3MA. Does anyone know what the number identifies? How do I find out how to identify one crank from another since they all seem to be interchangeable? The block number sets the block as a 1974 automobil block.

KULTULZ · #2 (**permalink**) 10-01-2002, 02:42 AM

The marks identify the engine type;

1M 2.87 Stroke 221/260/289
2M 3.0 Stroke 302
3M 3.5 Stroke 351W

It goes even further;

2MA is a 302 28.2oz.

2MAE is a 302 50.0oz.

Just FORD's way of identifying what they assembled.

MHenricks · #3 (**permalink**) 10-01-2002, 05:48 AM

If you get a chance check out

www.motec.com

This is a pretty cool site.

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