From: Kenyon Wills <imperialist1960@xxxxxxxxx>
Reply-To: mailing-list@xxxxxxxxxxxxxxxx
To: mailing-list@xxxxxxxxxxxxxxxx
Subject: Re: IML: 73 overdrive details
Date: Wed, 26 Jul 2006 15:49:51 -0700 (PDT)
> 2. Overdrive
> Is anyone using an overdrive unit? If so, what is
> the reliability of it?
> The Gear Vendors gearbox sounds almost too good to
> be true. Can it handle a
> 3 ton car under(brisk) acceleration? Does it hang
> down too far?
>
It's less about the weight of the car than it is the
stress placed on the driveline. I didn't go revisit
their website, but I recall them saying that they were
rated to 1200 horsepower or some such stratospheric
number. If they can handle a hotted-up camaro doing
launches, your dinosaur should not prove a problem.
They are trying to make this thing work on as wide a
spectrum as possible.
Richard Palme has one in a car that he showed me.
Works great, and turns your 3-speed into a 6-speed
with an under-dash auto/manual shift option.
Expect to use a mallet or sledge to pound the
transmission tunnel out. Therefore, you'll want to be
installing it someplace other than a gravel lot, and
perhaps where you have access to a car lift? Doing
that on jackstands could be precarious. Get a can od
spray undercoating to seal things up after the
pounding is done but before final fitment would be a
good idea.
I plan to put one into a 72/73 coupe behind a HP motor
if/when I find one (please keep your eyes open for
one, folks). Gear Vendors seems to be THE option and
they are Torque-Flight friendly.
Kenyon Wills
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