.75 in or 1.00 in length header bolts?
11-09-2012, 05:20 PM
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Car: 1991 Z28
.75 in or 1.00 in length header bolts?
going to be installing some hedman elite headers onto my 91, since the elites have the thick 3/8 in flange should i go with the .75 in or 1.00 in length header bolts?
11-09-2012, 05:50 PM
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Car: 86 Trans Am, 92 Firebird
Engine: 408 sbc, 3.1L of raw power
Transmission: TKO600, T5
Axle/Gears: Moser 9", 3:70 trutac, 3:23 torsion
Re: .75 in or 1.00 in length header bolts?
1"
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