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Old 03-12-2013, 12:15 PM   #5
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SSC's76's Avatar
Join Date: Jun 2005
Location: Pueblo Colorado
Posts: 1,781
Re: Truck dies when hit gas to hard

if its a qjet the secondary air valve is set wrong. check the tension on the air flap. with the choke off press down on it if it takes alot of pressure to open then its way to tight if it flops open then its to loose. you want just enough where it will open with little effort but springs back.
1976 Custom Deluxe SWB Med FMB.3/4 Drop.
Gen VI 454, Muncie HD 3 speed With Modified OE Hurst Shifter, 3.73 12 bolt, GMPP HO roller cam, Hooker headers, Performer intake with modified Q-jet, Accel distributor. Best 1/4 12.3 @108. Funnest run 19.84 @88 full 1/4 mile burn out.
1997 K1500 ext cab 5.7 stock except muffler
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