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

Spohn Tranny Mount Problem

Old Jun 29, 2003 | 10:38 AM
  #1  
Bimma86's Avatar
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From: Rochester, NY, USA
Car: 1986 IROC-Z
Engine: 355 TPI
Transmission: 700R4
Axle/Gears: 3.23 Posi
Spohn Tranny Mount Problem

Well I just installed successfully the panhard bar and LCA's, now I am trying to do the poly tranny mount I got from Spohn.

My problem is that the studs that come with the new mount will not (a) screw into the tranny (the two side ones) because they are too big for the holes. And (b) the middle stud that sticks down below the crossmember is too big to go through the slot, it's too thick.

So after all the fuss I just put the old one back in. Now can someone please let me know what I should do next? thanks!!!
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Old Jun 29, 2003 | 10:40 AM
  #2  
RB83L69's Avatar
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From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Use your original mount bolts to hold the mount to the trans; and file or grind the cross-member slot wider. Pretty basic stuff.
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Old Jun 29, 2003 | 10:42 AM
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Bimma86's Avatar
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From: Rochester, NY, USA
Car: 1986 IROC-Z
Engine: 355 TPI
Transmission: 700R4
Axle/Gears: 3.23 Posi
ok thanks I'll just have to do that then. It was late last night and I was too lazy to get the drill out.... Thanks....
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Old Jun 29, 2003 | 01:27 PM
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vjo90RS8's Avatar
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From: San Jose, CA
Car: 2002 Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.23
i had the same problem, i just enlarged the slot in the crossmember
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Old Jun 29, 2003 | 03:23 PM
  #5  
Justins86bird's Avatar
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From: Another world, some other time
Car: 86 LG4 & 92 TBI Firebird
Engine: The Mighty 305!
Transmission: 700R4
Axle/Gears: 3.42
I had to do the same thing when installing my es mount. I just used a rat tail file.
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