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Engine and TH400 install
Thread Starter
Melting Slicks
Joined: Aug 2005
Posts: 2,683
Likes: 34
From: Working on the car NY
Engine and TH400 install
Hi all
I've heard that you DO NOT install the engine and trans back into the car as a complete unit. This was my idea as I figured it would be much easier to do the measuring of the torque converter/flexplate desired gap with these out of the car that the alternative of me doing this on my back - then having to take the transmission out (again), bolt up the TQ and then reinstall the transmission. I have the complete front end off the car so the installation angle of the complete package isn't too extreme. I took both out together and it wasn't a big deal. So, question being, can I put the engine and drivetrain back in as 1 unit?
Thanks, Fred
I've heard that you DO NOT install the engine and trans back into the car as a complete unit. This was my idea as I figured it would be much easier to do the measuring of the torque converter/flexplate desired gap with these out of the car that the alternative of me doing this on my back - then having to take the transmission out (again), bolt up the TQ and then reinstall the transmission. I have the complete front end off the car so the installation angle of the complete package isn't too extreme. I took both out together and it wasn't a big deal. So, question being, can I put the engine and drivetrain back in as 1 unit?
Thanks, Fred
Thread Starter
Melting Slicks
Joined: Aug 2005
Posts: 2,683
Likes: 34
From: Working on the car NY
Well, that's what I thought too but that was the advice given to me by a noted rebuilder in my area. Guess I should have asked more questions "why not" but didn't want to seem to get him pissed off
Thanks
Thanks
Thread Starter
Melting Slicks
Joined: Aug 2005
Posts: 2,683
Likes: 34
From: Working on the car NY
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Thread Starter
Melting Slicks
Joined: Aug 2005
Posts: 2,683
Likes: 34
From: Working on the car NY
Brought the trans to Select Performance in West Babylon. Good folks
. Thanks to them for taking the time to go over the install. Picked it up yesterday along with a new converter. They said the internals were pretty well used up. Now with my recently received Paragon order, maybe I can start some assembly on this project.
. Thanks to them for taking the time to go over the install. Picked it up yesterday along with a new converter. They said the internals were pretty well used up. Now with my recently received Paragon order, maybe I can start some assembly on this project.
Last edited by TWINRAY; Jul 21, 2011 at 11:25 AM.
Team Owner
Joined: Jul 2004
Posts: 40,408
Likes: 792
From: Redondo Beach, California
My ZZ4 came painted black from the factory, but as it aged before I could get it in the car, it turned orange.
FYI: The T400's transmission output yokes came sized for 1330 u-joints. A 1330 u joint spider is 3 5/8 inch wide with 1 1/16 inch caps.
Prior year driveshafts where sized for 1310 u joints. a 1310 u-joint is 3 7/32 inches wide with 1 1/16 inch caps. When people add a T400 to a prior year, and want to use their standard driveshaft, they have to buy a 1330/1310 U joint spider to mate the T400 to the stock driveshaft. I don't know if GM changed the driveshafts from 1310 to 1330 when they started installing the T400. Anyhow, just a comment.
FYI: The T400's transmission output yokes came sized for 1330 u-joints. A 1330 u joint spider is 3 5/8 inch wide with 1 1/16 inch caps.
Prior year driveshafts where sized for 1310 u joints. a 1310 u-joint is 3 7/32 inches wide with 1 1/16 inch caps. When people add a T400 to a prior year, and want to use their standard driveshaft, they have to buy a 1330/1310 U joint spider to mate the T400 to the stock driveshaft. I don't know if GM changed the driveshafts from 1310 to 1330 when they started installing the T400. Anyhow, just a comment.
