[Gmecm] Bellhousing Design-Iron Duke

[mark krawczuk]

hi, of the top of my head,   how about a threaded rod, not real coarse 
thread,  with  two nuts , and  weld`n`shape to pointy bits on the side of 
the nuts, then you can turnem on the thread to get the right distance apart 
?
mark k



----- Original Message ----- 
From: "Burntkat at sc.rr.com" <burntkat at sc.rr.com>
To: <gmecm at diy-efi.org>
Sent: Friday, 17 February 2006 11:21 PM
Subject: RE: [Gmecm] Bellhousing Design-Iron Duke


How would you go about making an adapter-- in other words-- how would you
measure the holes from center of the shafts with enough accuracy to ensure
proper alignment of torque converter and flexplate?

Great thread, and I'll need the info for adapting a BOP pattern 5.7 diesel
to my 700R4...

-----Original Message-----
From: gmecm-bounces at diy-efi.org [mailto:gmecm-bounces at diy-efi.org] On Behalf
Of bcroe at juno.com
Sent: Thursday, February 16, 2006 8:45 PM
To: gmecm at diy-efi.org
Subject: [Gmecm] Bellhousing Design-Iron Duke

Actually, there were more than 3 bellhousings even for
something as new as a THM400.  The 64 buick had a
special round bellhousing, as did Cadillac.  The Cad 429
had a bellhousing which looked like the BOP, but a couple
holes were drilled differently.  This also affected the THM425,
though all 68-78 and later THM325s used the BOP pattern.
There were other 400s built for RR and Jags, etc.

Adapters are cool, have done them also.  Bruce Roe

16 Feb 2006 "Jason M." <galaxiecustom500 at sbcglobal.net> writes:
> Just a small addition, the Chevy/GMC and the B.O.P.
> bellhousing pattern share the dowel pin location and
> lower mounting hole.  Relatively easy to
> make an adapter between the two.  Also cheap to buy.
>
> Jason
> ----- Original Message ----- 
> From: "Andrew Gibson" <andrewsharyn at yahoo.com>
> To: <gmecm at diy-efi.org>
> Sent: Feb 15, 2006 11:56 PM

> > For those who are getting a little excited here, let me shed some
> light.
> > GM made 3 different bellhousing designs. The Chev/GMC which can
> easily be
> > identified as being the same as a sbc 350. The
> Olds/Pontiac/Buck/Cadillac
> > which has the same width as a sbc but looks like a Y on top. Both
> of these
> > are strictly rear wheel drive bellhousings EXCEPT on the THM425
> trans for
> > early fwd caddy and olds with a V8. The last is the Front wheel
> drive
> > design which also was used in the S10 series trucks with a 2.5L or
> > 2.8L engine. It looks like a trapeziod.
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