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View Full Version : How to make a TH-400 crossmember work for 700R4?



Rileys68Camaro
07-18-2007, 09:44 AM
I had an article explaining how to mount a 700 with the 400 crossmember, but don't have it now.

Due to the mechanics unwillingness to listen, they put it an unidentified crossmember and now the rear of the tranny sits to low, tilting my motor way back so that the distributor is almost against the firewall.

I think I just need to move the crossmember back one hole but can't remember exactly and don't know what mount I need.

Does someone remember that artcle, in Super Chevy I think, or know what I need?

dhardison
07-18-2007, 10:18 AM
http://addie.home.mindspring.com/69camaro/efi6911.html

Rileys68Camaro
07-18-2007, 12:55 PM
Hmm, not the same one, and the way I remember it, it didn't involve any welding...


Thanks though! I may have to go that route.

Steve Chryssos
07-19-2007, 08:00 AM
I just saw an ad for G-Force Crossmembers

http://www.crossmembers.com.

They've made g-body crossmembers for years. The ad says that they now have F-body crossmembers. It does not look like they have updated their website yet though, so give em a call. Might save you a lot of grief. 330-670-5338

Rileys68Camaro
10-11-2007, 03:31 PM
Got a hold of him and he has one available, thanks!

Samckitt
10-11-2007, 03:35 PM
Did it involve changing the tai lhousing of the 700R4? That is what I did to bet the 700 to fit where a 200R4 was, I changed the tail housing to a Cadillac version (I think) & then it mounted in the same place.

bird69
05-27-2010, 06:50 PM
I had the same issue putting my 700R4 into my 69 firebird , G-Force has them and they bolt up really nice .

carguy502
05-28-2010, 06:57 PM
Find an early to mid 80s 700R4 Caprice tailshaft with the mount on the tailshaft. That places the mount in the same place as a short shaft TH400. Bolted right up in my 1969 Chevelle.

Rileys68Camaro
07-05-2010, 07:42 PM
I bought a G-Force and it works and looks great!