Post a pic if needed, most of us can spot the GM 60 degree pattern vs a 90 degree pattern. If the mounting holes are in line on each side, you have a 60 degree V6 (2.8, 3.1, 3.4) flywheel housing.
The T5 wasnt behind many 4.3's in the S-10. It was behind the 4.3's in the Astro Van.
Scott
