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Re: Converting J type OD to P type?

To: "Triumph List" <triumphs@autox.team.net>,
Subject: Re: Converting J type OD to P type?
From: "Jorge Lozano" <jmlozano@ismi.net>
Date: Wed, 21 Mar 2001 22:06:53 -0500
Ok, the overdrive question has been answered, what about the 242hp engine?
Any specifics on mechanicals?

Jorge
----- Original Message -----
From: "Kai M. Radicke" <kmr@pil.net>
To: "Triumph List" <triumphs@autox.team.net>; "6-Pack"
<6pack@autox.team.net>
Sent: Tuesday, March 20, 2001 1:11 PM
Subject: Re: Converting J type OD to P type?


> > I hope someone can shed some light on this, I have a feeling it is
> complete
> > hyperbole, but today I heard of a amateur TR racer in the midwest who
> claims
> > that his J type overdrive has been converted to a P type (P type
> internals,
> > uses J type case).  Apparently he is now able to use OD in all forward
> > gears, and says OD engagement is instantaneous.
>
> Well I have tracked down more information on this conversion, in large
part
> on a tip from Don Clark!
>
> It is available from Medina Motorsports, 1-800-700-7057 or racing@ohio.net
>
> They take your overdrive unit (A type, J type, whatever) and rebuild it to
P
> type spec which is essentially an industrial variant of our overdrives.
The
> major difference is that the clutch material is completely new and not the
> same as used in our overdrives, and that is what really gives this P type
> overdrive it's strength (along with other uprated components they put in).
> Hydraulic pressure is also increased to 750lbs through larger pistons, and
> they put a heavier duty solenoid in.  Cost is $1200, for the fully rebuilt
> and converted overdrive unit... that price is if you supply the OD unit to
> them.  With this conversion, the OD can take "anything up to 1200hp"...
> again, just the OD unit (not your entire gearbox).
>
> John is a very nice guy, they've also got some other TR performance items
> although pretty pricey... like indestructible lighter tappets/lifters for
> $65 a piece.  Too expensive for my motor.
>
> Cheers,
>
> Kai

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