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82 GT · 08-30-2005, 06:07 PM

Did you check for vacuum leaks? It's sounds as if you have one.
Unplug a vacuum source(creating a vacuum leak). If the idle picks up then you have a vaccum leak somewhere.

08-30-2005, 06:07 PM	#2
82 GT Import Slayer Join Date: May 1999 Posts: 2,241	Re: 408w running poorly Did you check for vacuum leaks? It's sounds as if you have one. Unplug a vacuum source(creating a vacuum leak). If the idle picks up then you have a vaccum leak somewhere. __________________ '82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator.