Quote:
Originally Posted by ForcedInduction
The difference between 951 and 952 is in the engine mounts and oil pressure sender, they are otherwise identical.
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The oil filter housings are actually different. The electric sender does not fit the 952. There may be more differences to require the need for different 951 or 952 casting numbers on both the block and head.
I have both type engines in my garage to make comparisons.