GM Tranny Bolt Patterns

[Jim Davies]

On Wed, 17 Dec 1997, Shannen Durphey wrote:

> > All Chevy truck engines mated to the 700-R4/4L60/4L60-E (including 2.8L
> > V-6, 4.3L V-6, & All V-8s) have the Chevy bolt pattern.  No adapters have
> > ever been used with the 700-R4 tranny.
> > <big snip>
> 
>   Sorry guys, but I have *got* to disagree.  That's one thing technicians and
> engineers do. :)  I work on these things daily and I will say that 2.8 and 2.5
> used in RWD does not have traditional Chev bolt pattern. I'll send photos if I
> have to, but no way are they the same.

Having seen many (too many) 2.8 V6s I agree that they do not have either 
the traditional Chevy or the GM rabbit-ear bellhousing patterns.

Jim Davies