GM Tranny Bolt Patterns

[Andrew F. Gunnesch]

On Dec 19, 11:03am, Chief wrote:
> Subject: Re: GM Tranny Bolt Patterns
> At 09:00 PM 12/17/1997 -0500, you wrote:
> >Here is the scoop:
> >
> >Rear Wheel Drive -
> >There are two bolt patterns made, Chevy and BOP (Buick-Olds-Pontiac)
> >Some transmissions came in both, some in Chevy only.
> >The 700-R4/4L60/4L60-E came in Chevy ONLY until 1995 when the split case
> >became avaialble.  All BOP applications used the THM-200-R4, THM-200,
> >THM-250, or THM-350 until those trannys were discontinued (last was 200-R4
> >in 1990)...
>
> Thanks for the information Steve.  This is very useful information.
>
> Any chance on getting some information on torque converters?  I'd like find
> a different 30-spline converter for my 700 in the parts yard without having
> to find a dead Vette or paying an arm and a leg.

I'm told that the S-10 truck converter is the hot ticket for higher stall
in 700-R4s...