Two T5 Bellhousings, same part no but different bolt hole locations? Need measurement

Speeds8erM-1 said:

I have two T5 bellhousings here, well one is boxed up to be sent out to a guy, they both have the same part number but the bolt locations where the transmission bolts up are different. WTF I wonder if one is the one that fits with a 3550? They both have the E6ZR-6394-AA

The bottom bolt holes on one are 8 3/4 width, the other one was 6 something. Same exact part number though!

So which is which here? This sucks.

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Speeds8erM-1 said:

You guys are the man(s)!

The bottom bolts on this one are 8 or more inches apart. I saw a post somewhere when searching that a theroy was some of the T5 bellhousings were bought as blanks from Ford and drilled for the 3550 but Im not sure. Rumor is the SROD bellhousings would bolt up to the 3550 but it has the E6 part number, which started in 86.

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