[AT] ATIS Holifday Charity Auction

[Steve W.]

farmer,
GM has a few different bellhousing patterns.
.
1- Chevy small/Big Block up to 1996 (Starter position makes a difference
in the bellhousing)
2- BOP - Buick/Olds/Pontiac
3- Cadillac
4- Newer pattern for the 2.2/2.8/3.1/3.3 fours and V-6

The only real difference between the Chevy units relates to how the
bellhousing attaches to the transmission itself. For instance the early
Saginaw 3 and 4 speeds and the Muncie units all bolt up with the same 4
bolt H pattern. The newer Getrag units and NVG transmissions use from
5 - 8 bolts depending on what vehicle and orientation they are in. BUT
as long as you have the proper bellhousing and clutch plate they are
just about all interchangeable.
I have a 1964 Powerglide bolted to the back of a '85 block and I also
have an earlier Fluid drive unit bolted to a 75 engine. Only real
problem is that you have to watch driveshaft measurements and such.


Steve Williams



----- Original Message ----- 
From: "Francis Robinson" <robinson at svs.net>
To: "Antique tractor email discussion group"
<at at lists.antique-tractor.com>
Sent: Thursday, December 02, 2004 12:31 PM
Subject: Re: Re: [AT] ATIS Holifday Charity Auction


> At 12/2/04 9:19:00 AM, you wrote:
> >I certainly hope someone will donate a pickup transmission to the
charity
> >auction!  I have an '84 Chevy one ton dually w/ a really nice 454
engine and
> >hydraulic lift gate we use for hauling heavy stuff back n forth to
trucking
> >companies.  I need a 4 speed manual transmission for it! (or 5 if
available
> >and will drop in w/o modification!?)  There are probably a few of ya'
(like
> >me!) with a backyard of misc vehicles.  They are available around
here but
> >the charity auction sounds like a better cause than a local salvage
yard.
> >I'll open bid at 200.00 on a decent one! (I pay the freight of
course)
> >ps...It does haul nothing but tractor parts!
> >
> >John Parks
>
>
>
> Hi John:
>
> Do you (or anybody) know the engine / transmission interchange over
the years on Chevy
> transmissions? I know a 1966 4 speed behind a 250 CID 6 will fit
behind a 1966 350 CID V-8 but what about
> maybe a 1955 from behind a 235 (I think) CID 6. How recent of a Chevy
will the 1955 4 speed bolt onto for
> example?
>
>
>
> "farmer"
>
>
> Francis Robinson
> Central Indiana USA
> robinson at svs.net
>
>
>
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