Stage 8 Header Bolts
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From: Big Lake, MN
Car: 1986 Iroc-Z
Engine: 305 TPI
Transmission: T-5
Axle/Gears: 3.73 posi
Stage 8 Header Bolts
I'm putting headers on on my '86 iroc (LG4) its hard to say what length bolts I need because most of them are different lengths. I was thinking 1" bolts. Do i have to modify the power steering bracket as well as the A/C braket to make the headers work?
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
1" will probably be too long unless the headers you decide to use have thick flanges. 3/4" would be more like it.
Joined: Apr 2003
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From: Madison, WI
Car: 1986 Camaro Z28
Engine: 400
Transmission: T5
Axle/Gears: 10 bolt Posi 3.73
Make sure you use stainless steel bolts too. You may have to modify brackets in order for them to fit. With my Hooker 2460's I had to do some SLIGHT modification (no welding 
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Probably about 1/4". If they're too long they'll bottom out in the heads before they're tight.
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From: ILL
Car: 1986 Pontiac TA
Engine: 383
Transmission: 700R4
Axle/Gears: 3.70
I found the Stage 8 bolts a PIA to work with. Maybe because I have 1 3/4" headers but the clips were tough to get on. I do like the allen wrench hole in the center. Makes it easy to get the bolt snug.
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