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82 GT · 06-15-2006, 10:41 AM

My idle speed is around 1000rpms. I was wondering if an idle speed that high negates the idle mixture adjustments.
I checked the floats and they are set so that fuel just trickles out the sight plugs.
It runs fine now since I took the secondary bowl off again and blew out any debris that might have been in there and replaced the gasket.
It's just that the idle mixture screws don't work now. It wants the screws all the way in.
I didn't check the transfer slot on the butterflies to see how much is exposed yet. I don't really want to remove the carb. and mess around with that unless I really need to.
Since I don't know much about carbs, I'm always afraid I'm going to screw something up and make it much worse that what it was.

06-15-2006, 10:41 AM	#13
82 GT Import Slayer Join Date: May 1999 Posts: 2,241	Re: Holley carb. gurus needed! My idle speed is around 1000rpms. I was wondering if an idle speed that high negates the idle mixture adjustments. I checked the floats and they are set so that fuel just trickles out the sight plugs. It runs fine now since I took the secondary bowl off again and blew out any debris that might have been in there and replaced the gasket. It's just that the idle mixture screws don't work now. It wants the screws all the way in. I didn't check the transfer slot on the butterflies to see how much is exposed yet. I don't really want to remove the carb. and mess around with that unless I really need to. Since I don't know much about carbs, I'm always afraid I'm going to screw something up and make it much worse that what it was. __________________ '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.