Transmissions and Drivetrain Need help with your trans? Problems with your axle?

differences in 700R4 xmembers

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Old Jul 15, 2002 | 06:46 PM
  #1  
LilJayV10's Avatar
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From: Evansville,IN,USA
Car: 89' T/A, 00' Firehawk
Engine: 406 Roller
Transmission: TH700R4 w/2800 stall
Axle/Gears: 3.23 Posi
differences in 700R4 xmembers

I got my transmission in my car last night, and had noticed before but hadnt given it much thought. On all the V8 cars I have seen, the transmission xmember is one piece, and has a hole in the middle were the stud goes through it. In my car, which was a V6, its different. There are two rubber pads that bolt to another piece, and the mount bolts to that. I checked and the part numbers are the same for both mounts. just wanted to know what was up.
thanks
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Old Jul 15, 2002 | 10:15 PM
  #2  
ace16a's Avatar
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Joined: May 2002
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From: Sioux Falls,SD
Car: 1985 Z28 Camaro
Engine: 5.0 TPI
Transmission: 700R-4
Axle/Gears: Posi Richmond 3.73
Don't know much about the cross members but in my 85 Z28 (which is a V8) mine is like your's with the two pads and a flat piece of steel that the tranny mounts to. Maybe there is a difference between autos and manuals or between different kinds of tranny's (700r4 / 200r4) or between different years. My brother's 91 firebird is a V6 and had the same as mine too. Maybe mine is messed up! Don't know and probably didn't help you out at all. Sorry
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Old Jul 15, 2002 | 10:40 PM
  #3  
LilJayV10's Avatar
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From: Evansville,IN,USA
Car: 89' T/A, 00' Firehawk
Engine: 406 Roller
Transmission: TH700R4 w/2800 stall
Axle/Gears: 3.23 Posi
i bolted mine up tonight, everything looks fine. it seems like the one i have, with the two pads, would raise the back of the transmission up more than the other type, but the other type could have a bend in it that does the same thing. so i dunno.
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Old Jul 18, 2002 | 02:41 PM
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WS6 Berlinetta's Avatar
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From: San Diego, CA USA
My '84 Berlinetta was an LG4 with a 700R4 and had the 2 piece
My '92 Firebird is an LO3 with a 4L60 and has the 1 Piece.

Just thought I'd add that into the confusion.

R
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