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Old 03-23-2007, 09:19 AM   #1
ChadMorris
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Question 700R4 mount question

OK, I hang out in the 60-66 forum most of the time, but surf all of them for info, so hopefully someone here can help.......

I have a 700R4 tranny, and the mounting bolt holes on my new aftermarket crossmember do not line up.

This tranny came out of an 1985 corvette...

Question: Do they have different tailpieces for the tranny's?
Can I just swap it out if they do?

I would hope that's all I have to do seeing how common they are...

Any info will be great


Thanks for the help...


Chad
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Old 03-23-2007, 09:23 AM   #2
Spray-Bomb
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Re: 700R4 mount question

Does it not line up side to side or front to back ?
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Old 03-23-2007, 10:23 AM   #3
bagged91
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Re: 700R4 mount question

Check this thread. I posted a pic on there of the 3 different tailshaft housings... Hope this helps....
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Old 03-23-2007, 12:54 PM   #4
ChadMorris
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Re: 700R4 mount question

Sorry everyone, I should have been a little clearer....The holes on the tailpices of the transmission do not match up to the mounting holes on the crossmember.

The crossmember itself fits great!! I bought an aftermarket package from Performance Products: Engine mounts, tranny crossmember and mounts, and bolts....Al that fits fine.

here is a pic of how the tranny looks on the crossmember....









BAgged91 : Looks like I need the tailpiece for the Caprice.....That thread was a bunch of help.

Thanks

Chad
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"Old Blue" 1964 GMC Fleetside in pieces
350 TPI with 700R4 tranny now installed( well kinda propped in place until the tranny crossmember is bolted in !!!!!

1995 Toyota 4runner , 197,000 miles and going...
2007 Honda Odyssey Van (Wifes car)




Last edited by ChadMorris; 03-23-2007 at 01:07 PM.
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Old 03-23-2007, 02:32 PM   #5
Longhorn Man
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Re: 700R4 mount question

looking at the photo, you MIGHT be able to flip the X-member around, so the mounting tap is pointing to the rear. If there isn't enough room to clear the tail shaft from the main cross member like that, then you'll just have to slide it back a little, and drill new holes.
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Old 03-23-2007, 02:50 PM   #6
ChadMorris
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Re: 700R4 mount question

yeah, I will def have to drill new holes, just have to get a new tailpiece and figure out where to put the xmember.....Lots of fun .....
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"Old Blue" 1964 GMC Fleetside in pieces
350 TPI with 700R4 tranny now installed( well kinda propped in place until the tranny crossmember is bolted in !!!!!

1995 Toyota 4runner , 197,000 miles and going...
2007 Honda Odyssey Van (Wifes car)



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Old 03-24-2007, 08:58 AM   #7
cooters
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Re: 700R4 mount question

just but a truck tailhousing and all your troubles go away. The pic that bagged 91 put in shows the middle tailhousing as astro but it is actually camaro/ firebird. The three holes go to the diff.

Last edited by cooters; 03-24-2007 at 09:02 AM.
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