ok, this weekend i when i was putting on my intake plenum and runners after porting the intake and cleaning out the carbon, I lost a bolt on the upper plenum. I don't think its leaking, as vacumm is good and idles at 600. but i still want to get a bolt in before something happens. i went up to home depot and NONE of those bolts would work. can i get them from Pep Boys or the dealership? all the local junk yards here always pull then engines and are bitches when it comes to getting parts off the engines.

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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 an Unkown CatBack, Ported Intake

http://www.geocities.com/david_angel_16

[This message has been edited by breathment (edited November 06, 2001).]

 

Just go to your local hardware store, take one of the plenum bolts with you to size with, and replace them all with allen head stainless steel. Much nicer to look at, and easier to deal with.

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Mike Metzler (Desert86Roc)[*] Check Out:SpeedWorldMotorplex.com[*] Check Out:Chevrolet F-Body Online Part & Illustration Manual[*] www.MetzlerRacing.com

Best ET @ 1250 ft[*] 15.352 @ 91.215 mph (uncorrected)

 

Just to make it easier, the bolt thread size/pitch is 8mm X 1.25. I have a tap in that size at home.

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Greg Westphal
'87 IROC 355TPI/A4