my 1990 mclaren TGP tranny is a goner, rebuild or buy used?

Started by McLaren1, May 19, 2009, 05:45:15 PM

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McLaren1

hey guys, my tranny is slippin awful and time to do somethin about it.  im assuming it costs a fortune to rebuild?  r there rebuild kits for it?  same as regular GTP tranny?  differences? possible? got a line on a used TGP tranny  for $350. better off goin with a functional used one? good price? anyone in wisconsin area with experience with our turbo cars wanna rebuild it for me? any options or info is appreciated!.........scot

flybynite

I would have it rebuilt and install it with a new torque converter. Parts and labor should be around $1600. You can pull it and reinstall it and save 400 or so....
1989 TGP Pace Car
1990 TGP Red/Tan Leather

McLaren1

new torque convertor?  is there a better option than the one thats in there?  also im not sure how to go about rebuilding it if its a "special" tranny for the turbos maybe its not possible with rebuild kits out there etc? wanna weigh all my options and money is a concern.  i can afford the $350 used one but not a $2000 rebuild:)........scot

GPChief

Quote from: flybynite on May 19, 2009, 06:22:03 PM
I would have it rebuilt and install it with a new torque converter. Parts and labor should be around $1600. You can pull it and reinstall it and save 400 or so....

x2

I rebuilt mine with all the latest updates, "Red" clutches, Phantom Grip LSD, & a 500 rpm higher stall, cost me around 1K
2004 GTP -  3.8 Blown - Only modding for MPG.
1997 GTP  - 3.8 Blown - Too many mods to list.
1996 GTP - 3.4 DOHC - Twin to my 1997.
1995 SE - soon to be a 3.8 turbo car.
1990 TSTE x 2 white cloth
1990 TSTE x 1 maroon leather
1990 TGP - 5 speed.

z284pwr

Quote from: GPChief on May 19, 2009, 06:58:57 PM
x2

I rebuilt mine with all the latest updates, "Red" clutches, Phantom Grip LSD, & a 500 rpm higher stall, cost me around 1K

We did about the same, no LSD and 1,000 rpm higher stall, of course that was for a built engine, hopefully the stall isn't going to be too high for the stock engine.  The bigger turbo will hopefully be big enough to need the higher stall.