Suspension and Chassis Questions about your suspension? Need chassis advice?

Rear Control Arm Bolts

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Old Apr 17, 2006 | 10:43 AM
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Tricked-Out-Toy's Avatar
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Car: 91 Z28
Engine: Lt1
Transmission: T56
Axle/Gears: 3.70 auburn pro 9"
Rear Control Arm Bolts

I had to cut mine off over the weekend and I cant seem to find anything harder than grade 5 (8.8 metric). I checked the local mom and pop harrdware store, home depot and lowes. anyone have any other ideas? or do you think the grade 5(8.8 metric) will be alright?
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Old Apr 17, 2006 | 11:34 AM
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From: Oswego, IL
Car: 1989 Iroc-Z
Engine: 350ci SBC
Transmission: 700R4
Spohn and UMI have a kit with 4 bolts, washers, and lock nuts for like $11.
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Old Apr 17, 2006 | 11:45 AM
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Car: 91 Z28
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Transmission: T56
Axle/Gears: 3.70 auburn pro 9"
sweet thanks man!
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Old Apr 17, 2006 | 01:42 PM
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talk about one of the most pain in the *** set of bolts to get out of a car, with not even a foot of clearance under the car...lol

I was prepared and bought the hardware with the controls arms from Spohn.
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Old Apr 18, 2006 | 08:13 AM
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Originally Posted by Tricked-Out-Toy
I had to cut mine off over the weekend and I cant seem to find anything harder than grade 5 (8.8 metric). I checked the local mom and pop harrdware store, home depot and lowes. anyone have any other ideas? or do you think the grade 5(8.8 metric) will be alright?
Grade (8) is the standard for the auto industry, you want something better areospace fasteners.

Last edited by DJP87Z28; Apr 18, 2006 at 11:54 AM.
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Old Apr 18, 2006 | 08:16 AM
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From: Nashville, TN
Car: 91 Z28
Engine: Lt1
Transmission: T56
Axle/Gears: 3.70 auburn pro 9"
Originally Posted by DJP87Z28
Grade (5) is the standard for the auto industry, you want something better areospace fasteners.
Ummm are you sure? cause the bolts say 10.9 right on them and that equates to a grade 8. pretty much every suspension bolts i've taken off has been a grade 8 (10.9)
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Old Apr 18, 2006 | 10:40 AM
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From: East Tennesse
Car: 1991 RS Camaro
Engine: L03 (want LS1)
Transmission: 700R-4 (and T56)
Axle/Gears: 4th Gen 3.23 posi
Would it be a bad thing to reuse the stock stuff? I've had no problems getting mine off on the stuff I've swapped so far, and don't see any problems with the stuff that is left. Should I get new bolts and stuff anyways?
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Old Apr 18, 2006 | 10:44 AM
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Tricked-Out-Toy's Avatar
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From: Nashville, TN
Car: 91 Z28
Engine: Lt1
Transmission: T56
Axle/Gears: 3.70 auburn pro 9"
naa If the stuff you took off is in good shape reuse it. Mine were so rusted I had to cut them off. although for 15 bucks you get new shinny bolts
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Old Apr 18, 2006 | 11:12 AM
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
they're a funky shouldered design, get them from GM. $7 per. It's a 10.9 hot dipped galvanized, may not be super pretty, but they won't rust in a long time. The stover locknuts are $12 per, get those from a well stocked bolt supply house for $.50 per, M12 coarse I think. use anti seize too.
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Old Apr 18, 2006 | 11:32 AM
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From: East Tennesse
Car: 1991 RS Camaro
Engine: L03 (want LS1)
Transmission: 700R-4 (and T56)
Axle/Gears: 4th Gen 3.23 posi
The ones on my car are great, except for the sway bars... hack saw, cussing, etc. Same thing with the Formula I'm parting. I think GM REALLY didn't want sway bars stolen. I think I'll save my money and stick with the stock hardware. All that extra money could be a new set of poly bushings for something....lol
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Old Apr 18, 2006 | 10:12 PM
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Car: 1991 BandittII Firebird
Engine: 5.7 HSR
Transmission: 700R4
Axle/Gears: 3.27 9 bolt
look up you local Fastenal retailer Locations | Fastenal
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