I lost the plenum bolt a while back, and at the time i didn't think it was causing a vacuum leak, but now my milage is going down, and i need to get a new bolt, i went to Home Depot, and non of their bolts would fit, wut size is are the bolts on the upper plenum? and how long are they?

edit: oops that should be what size IS plenum bolt, don't wanna make people think im more stupid then i really am

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- David
88' GTA 5.7L TPI MODS---> air foil, K&N, Shift Kit, 180* therm, TB bypass, Gutted CAT, Flowmaster 80 Series Muffler added to Unkown CatBack, Ported Intake

http://www.geocities.com/david_angel_16

[This message has been edited by breathment (edited November 26, 2001).]

 

It's 8mm 1.5 the lengths vary.

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Chronologically challenged. But still kicking!
'92 CAMARO RS
305 TBI 5/spd (now TPI)
B4C Alt.
Cam change:TRW 198/210 ,450/.460 114 LSA
Stock TBI manifolds
'85 IROC 3" Cat. back Exhaust
14.94-92.00 mph
SDPC base and "350" Vortec coming soon!
'69 camaro-BB/Lenco,1050 dominators, /Pump Gas/no drugs 8.97-150+/3200lbs.
SoCal Thirdgen F-Bodies

 

The top plenum bolts are M8X1.25 and are about 40mm long, maybe 35mm.

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Greg Westphal
'87 IROC 355TPI/A4