need bolt thread sixe on plenum
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Joined: Feb 2011
Posts: 407
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From: Somewhere between NY and LA
Car: 1989 Trans am GTA
Engine: 305 TPI
need bolt thread sixe on plenum
http://images.canadianlisted.com/nla...um_5402388.jpg
hey guys, my little plastic dinger of the plenum was left under my passenger seat when i bought my 89 GTA tpi.
i am fortunate enough to have it, but unfortunately it did not come with the bolts. i know its a super fine thread. anyone know what size it is? i tried to ask a few places to let me take a few outside to check fitment. no dice.
hey guys, my little plastic dinger of the plenum was left under my passenger seat when i bought my 89 GTA tpi.
i am fortunate enough to have it, but unfortunately it did not come with the bolts. i know its a super fine thread. anyone know what size it is? i tried to ask a few places to let me take a few outside to check fitment. no dice.
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Joined: Mar 2011
Posts: 82
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From: Willis, Tx
Car: 1986 Z28
Engine: 305 TPI
Transmission: 700R
Axle/Gears: Stock
Re: need bolt thread sixe on plenum
take one off the nameplate on your throttle body and try it. Then you can bring that in and use it to find the size you need in the store
Supreme Member
Joined: Apr 2010
Posts: 4,337
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From: Aurora, OR
Car: 87 IROC Z28
Engine: 355 cid TPI
Transmission: Custom Built 700R4 w/3,500 stall
Axle/Gears: QP fab 9" 3.70 Truetrac
Re: need bolt thread sixe on plenum
The bummer is that those screws came with special centering washers that fit the holes in the plastic cover. You may wnat to keep your eyes open for a junked TPI that has them.
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