Quote:
Originally Posted by steveX
I`ve been looking at the buick 3.8 and 3800 timing cover bolt pattern and it looks the same to me. was wondering if anybody try bolting a 3800 timing cover to the 3.8 (109) block?.
Here is what am looking at:
 
here is the snout.
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If you take a look at the two, you'll notice the 3800 has the extra balance shaft above the cam shaft. The top half of the housing's different. The bottom halves are similar, which is why the guys that have takled this issue use the top half from a 3.8, and weld the bottom half of a 3800 to it.
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