Re: trans interchange questions

[Doug Ahern <D170A833@xxxxxxxxxxxxxxxxxxx>]

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On 19 09/19/05, Tony Brummett wrote:
> On 9/19/05, Robert neal zimmerman <northwestweirdo@xxxxxxxxxxx> wrote:
> >    The trans in question is a complete big block a-833 setup from a 71
> >    Challenger , complete from fly wheel to pistol grip shifter, pedals
> > [...]
> >   What I want to do is stick a big block into the 64 dodge 330 and try
> >   to make this tranny work with the combo.
> >    Since the 64 dodge was a manual three speed theres already a clutch
> >    pedal in it along with the =z-bar etc, but I dont know if any of that
> >    would work seeing its a slant six car.
> 
> First off, the 833 should bolt up to the engine and trans crossmember.
>  I've never seen the floor of a 3-speed car, but I'll bet you'll have
> to change the floor at least a bit for the 833's floor shifer.
> 
> The bolt pattern between a 3-speed body and the bellhousing is
> different than a 4-speed to bellhousing.  If your bellhousing is dual
> bolt-pattern, then you're fine, otherwise you'll need to find a
> 4-speed bellhousing.

the early 3spd BH's weren't cross-drilled for A-833's.   Not until
somewhere around 1968-1970. 

> I believe the Z-bar from a slant-6 is different than for a V-8.  I
> have an email saved for 2001 where someone had 3 Z-bars and compared
> the lever arm ratios.  His conclusion was that on V8 cars, the lever
> arms were roughly the same length, though the exact measurement could
> be different between A,B,C bodies.  The one slant-6 Z-bar he had, had
> a 1:1.5 ratio of arm lengths.

I can verify that the \6 Z-bar isn't the same as a V8 unit,  one of the
lever arms is too short (it could be lengthened).

depending on which BH you have or end up with, you might need to fab up
a Z-bar ball stud mount,..

clutch pedals and the push rod that connects the pedal to the Z-bar are
the same on V8 and six cars.

Brewers (and several other shops) sell a steel 4spd hump and a
fibreglass 4spd hump.  

you'll need a B-body shifter and shift rods.  sell the E-body PG handle
and rods and you'll have enough scratch to buy new B-body stuff.

the 64 3spd cross member is the same as a V8 cross member.  to install
a 4spd you might need a special mount.  Call Schumacher and  tell'em
exactly what you've got, they might have a mount for you..

Doug Ahern

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