There doesn't seem to be any access hole so I can get a wrench on the top of these bolts so when I try to loosen the nut, the bolt will just spin freely

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82 Z28
355 carb'd, Edelbrock Performer RPM package (minus heads), Hooker Super Comps, Mufflex 4" offroad y-pipe, 700r4 with B&M shiftkit, '85 IROC 10 bolt rear with Richmond 4.10's & Auburn posi unit, Lakewood 50/50 drag shocks. Shooting for 3000lbs w/ driver.

The car's website (New design in progress...very cool look)

(383/TH350 buildup this winter)

AIM: Unitedhope
ICQ: 77979548

 

There is no nut, just a plate that is wedged and tack welded into the uni-body. If it spins then something is damaged. You will have to drill or grind off the bolt head and push the plate forward to the access hole about 1 foot in front of the tranny bolts. Here's the bullsh!t part. A hole will have to be drilled (where the old bolt was) and a nut with the shoulders rounded off can be held in the hole with a long bolt while someone MIG welds the bolt flush to the uni-body. Sorry man but **** just hit the fan.

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84 Camaro ZZ4 with HOT cam. 1.88 60' (12.98 @ 105MPH E.T.)
Other Mods: You name it and I have probably changed it.

91 Firebird 5.0L TBI

ASE Certified Auto Tech
LIVE AND DIE BY THE ALMIGHTY BOWTIE!

[This message has been edited by CamaroMike (edited October 12, 2000).]

 

damn these unibodies...chalk up another reason why I'd prefer a first or second gen...

 

Well, it's not exactly a plate, more of a soft, square nut tack welded in. My '82 didn't have holes for the longer '86 TH700, so I had to put nuts in there somehow. I punched a hole behind it wide enough to get a wrench in there to hold the nut while I tightened the bolt. You should be able to do the same thing to hold the nut on yours, assuming the flats line up reasonably well (which shouldn't be a problem since it's already spinning). You could also punch the hole from the side, but that could be hard to do, especially on the passenger side with the exhaust right there.

You aren't going to weaken the frame by doing it. Just a matter of how much ugly you're willing to accept.

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82 Berlinetta, orig V-6 car. Rescued w/86 LG4/TH700R with all harnesses, sensors, ECM, etc. 2.73 open. Cat-back from '91 GTA, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LB9 w/ZZ3 cam, exhaust, paint, etc.).
57 Bel Air, my 1st car. Currently 396 .030 over, Weiand Action+, Edelbrock 1901 Q-Jet, Jacobs Omnipack, 1-3/4" headers, TH400 w/TCI Sat Night Special conv & shift kit, 3.08 10-bolt, AMSOIL syn lubes bumper-to-bumper. Best 15.1 @ 5800' Bandimere. Daily driver while Camaro was being put together.

 

Damn these uni-bodys is right!

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84 Camaro ZZ4 with HOT cam. 1.88 60' (12.98 @ 105MPH E.T.)
Other Mods: You name it and I have probably changed it.

91 Firebird 5.0L TBI

ASE Certified Auto Tech
LIVE AND DIE BY THE ALMIGHTY BOWTIE!