[Healeys] OD Design Flaw? (was Munched Overdrive?)

Richard Ewald richard.ewald at gmail.com
Mon Sep 20 06:31:50 MDT 2010


OK I am lost here. How does a torn up laygear indicate a design flaw in the
overdrive?
Rick

Sent from my iPhone

On Sep 20, 2010, at 4:13, "Mark LaPierre" <lapierrem at sbcglobal.net> wrote:

> Totally agree,   You should have seen my laygear when I bought my car.  No
small gear hardly at all.
> And it would jump big time if you tried to put it in reverse or first. Many
of the used tranys that
> I purchased had the same problem.
>
> Big time flaw.
>
> Mark
>
> ----- Original Message ----- From: <wilkmanracing at aol.com>
> To: <healeys at autox.team.net>
> Sent: Sunday, September 19, 2010 4:15 PM
> Subject: [Healeys] OD Design Flaw? (was Munched Overdrive?)
>
>
>> Thanks to everyone who has offered wisdom, advice, help, etc. regarding my
>> "Munched Overdrive" post.  I am going to try the hammer tap suggestion and
I
>> do plan to drain the O/D to see what comes out.  If it's munched, I need
to
>> decide whether to have it fixed or to go the Toyota 5-speed route.
>>
>> I do have one other question for the group.  When I had my trans and OD
>> rebuilt about 10 years ago, the rebuilder told me to make sure the OD is
>> disengaged before the car is parked.  I believe he also mentioned that I
>> should not back the car up if I forget to do this, as it could destroy the
OD.
>> My question is this:  Why would something as simple as leaving an OD
engaged
>> cause such havoc.  I'm pretty mechanically wise, but I'm sure a lot of
Healey
>> owners in the past have been just plain drivers with no real mechanical
>> knowledge.  Someone like my wife would never even think about disengaging
the
>> overdrive after every freeway run.  Isn't this a serious design flaw that
such
>> a simple lapse would lead to such a mechanical disaster?
>>
>>
>>
>> Bill Wilkman
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