Team Chevelle banner

Transmisson Problem.

1405 Views 21 Replies 3 Participants Last post by  Barcochris
I have a Turbo 400 and a Torque converter that were built by a company named Select Performance in New York I believe. I have no idea how long ago as they were on the car when I bought it. When I first started driving the car late last year all was ok. Then I had a car show and on the last day of the show when I went to leave I put the car in reverse and nothing. I turned the car off and turned it back on and it went into gear and off I went. I did notice that the car did not shift as hard but thought nothing of it.

Fast forward two months till today. I bought a new Trans pan and I wanted to install it. I had to change the oil pickup as this pan was a bit shallower. I put everything back together went to go cruise around the block and I put it in reverse and nothing. the engine does not even idle down like it is in gear. I reved the engine a bit and nothing. I know nothing about Transmissions but what do you guys think it could be? Money is definitely an issue, but I imagine that I will need to take it to a trans shop.
1 - 14 of 22 Posts
Shift linkage is oK I will check the other parts tomorrow.

I forgot to add this is a Reverse manual valve body as well.
Checked the bolts all are fine.
Internal linkage OK?
Not sure how to check that. a little guidence would be awesome.
Ok, Thanks. I will check it out.
Talked to the comapny that built it and he said that he thought it would be a pump issue
Drop the pan and see if the link is still connected to the valve body and external shift arm.

Checked all that and it was all moving/ working. So Trans is out of the car and going to the shop in the Am
No, not that I can think of.
ok, here is what they told me.

The converter was to short for the pump. wore about an .125 grove in the pump. Pump is shot as well as the clutches..

I am not sure I understand the to short part, but I am going in tomorrow to talk about rebuilding it.
I know it was further than 3/16.

When i recived the engine and trans I took it apart, I know there were no spacers when i took it apart. But that does not mean it was right at that point. Thanks for the information. So when i install itI push it all the way in and then pull it back about 3/16 and shim between the flexplate and the converter correct?
Heres some info:

Was your converter modified for a thick or spaced flexplate?
I have no idea. I don't think I have a thick flexplate. I will get more info when I go in tomorrow.
the article posted said If you have more than 1/16 to 1/8 install washers. I knwo I had WAY more than that. I wish I would of had that info sooner. But like I said. I think it was on the way out since this is how it was set up prior to me
Well I just got back from the shop and here is what thew issue was

The converter is actually for a T350.

Shorter snout, and rolled off the key and pushed on the pump. Pump wore a groove. all can be fixed but I think I am going to need a new converter. The shop that I took it to builds them so I am just waiting to get a price back from them.

I should of known something was not right when I had to pull the tranny back so far to bolt up to the Flex plate.

Live and learn
well they quoted me just under 2500. I don't think that it was worth fixing. I called Coan and got set up with a nice Turbo 400 with converter
1 - 14 of 22 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.