It's usually 3/8-16 for the bell housing and 7/16-14 for the tailshaft mount.
no a v-8 will not adapt to a 2.8 transmission...due to a metric size... but a 4.3 transmission will bolt up to any chevy v-8
3/8-16
All Chevy transmission will bolt right to it up to the year 1999. After that year Chevy REDESIGNED the engines and transmissions.
3/8-16x1 1/4 Grade 8
There are numerous bolt sizes used on the transmission.
5X5 big Chevy bolt pattern
chevy blazer fan bolts are a 13 mm bolt. There will be 4 of them
The holes themselves are tapped with 3/8-16 threads. The bolt lengths vary depending on which transmission you have, anywhere between 1 1/4", all the way up to 2 1/2". Many bellhousings use bolts of different lengths as well, so that's the best answer I can give you without more specifics.
size of bolt on break calliber on Chevy trailblazer
it is the same size of the bolt same as the hole and thread. the higher the grade of the bolt the more touque you can apply.
What size bolt for a 2005 Honda civic DX power steering tank bracket..
13 mm