Screws for underside of throttle body
Thread Starter
Senior Member

Joined: Jan 2009
Posts: 611
Likes: 2
From: DE
Car: 1990 Firebird Formula
Engine: LB9 - 5.0 TPI
Transmission: 700R4
Axle/Gears: 2.73, LSD
Screws for underside of throttle body
I believe 2 or 3 of the screws broke off in the holes around the coolant throttle body water jackets. Can anyone tell me what size they are?
Joined: Mar 2002
Posts: 854
Likes: 10
From: Rincon, Ga.
Car: 91 Camaro RS
Engine: 305 TPI conversion.
Transmission: T56
Axle/Gears: 3.73 posi 4th gen rear
Re: Screws for underside of throttle body
did you get any out that are intact? they are metric and can be matched up at a hardware store. i had the same problem and was able to get the broken ones out after soaking in w-40 and using vice grips.
Joined: Dec 2000
Posts: 2,341
Likes: 151
From: Cincinnati,Ohio
Car: 1991 BandittII Firebird
Engine: 5.7 HSR
Transmission: 700R4
Axle/Gears: 3.27 9 bolt
Re: Screws for underside of throttle body
There is two differnet lenghts thier both 4mm the shorter screw is 10mm the longer screws i'm not sure of the length.
Thread Starter
Senior Member

Joined: Jan 2009
Posts: 611
Likes: 2
From: DE
Car: 1990 Firebird Formula
Engine: LB9 - 5.0 TPI
Transmission: 700R4
Axle/Gears: 2.73, LSD
Re: Screws for underside of throttle body
Okay, if I have to I'll pull one out of the throttle body. I was hoping I could get away without doing that so I didn't have to disassemble, reassemble, go get the bolt, then disassemble again.
If anyone happens to know the exact size I'd greatly appreciate it.
If anyone happens to know the exact size I'd greatly appreciate it.
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