holley carb linkage question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

crm318 · 12-19-2006, 02:48 PM

im currently rebuilding a 600 holley right now (first time) and i think i have a problem with the linkage coming back together. i looks like the accl. pump is barely moves. i have rebuilt 8 quadrajets in my day and theis is the first holley i have ever touched. does the accl. pump move only a little bit? does anyone have any pics?

454_72_4X4 · 12-19-2006, 04:09 PM

The accellerator pump arm doesn't move a whole lot. Maybe 1/4 in or so. I don't have any pics right at he moment but I can snap a few if you need them.
One thing comes to mind though. Did ya put the little plastic "cam" back on the throttle shaft?

crm318 · 12-19-2006, 08:58 PM

yea i gave it another look over today and the accl. pump arm was riding on the cam lobe. im just used to seeing a quadrajet accl. pump move way up and down. it all looks to be ok.

12-19-2006, 02:48 PM	#1
crm318 Alright Alright Alright Join Date: Mar 2004 Location: Midland, Texas Posts: 1,672	holley carb linkage question im currently rebuilding a 600 holley right now (first time) and i think i have a problem with the linkage coming back together. i looks like the accl. pump is barely moves. i have rebuilt 8 quadrajets in my day and theis is the first holley i have ever touched. does the accl. pump move only a little bit? does anyone have any pics? __________________ 1972 Cheyenne Chevrolet red and white 357ci, Vortec heads, GM Performance high rise intake, Comp 268H .454/.454 218/218 110 LSA Quadrajet carb, Flowtech headers, 2.25 40 series HEI, Curve kit, TH 350, 3.07 gears 275/60/15s on 15x8 rallies

12-19-2006, 04:09 PM	#2
454_72_4X4 Registered User Join Date: Apr 2004 Location: N.E. MO Posts: 1,749	Re: holley carb linkage question The accellerator pump arm doesn't move a whole lot. Maybe 1/4 in or so. I don't have any pics right at he moment but I can snap a few if you need them. One thing comes to mind though. Did ya put the little plastic "cam" back on the throttle shaft? __________________ 72 C20 4X4 454 4 speed 89 Trans Am (was) 305 TPI 700r4 93 C1500 2wd Extended cab 350 700r4 98 Sonoma (TPI outa the Trans Am) 03 Yamaha 660 Raptor 03/04 660 Raptor 07 700 Raptor 85 Honda Odyssey

12-19-2006, 08:58 PM	#3
crm318 Alright Alright Alright Join Date: Mar 2004 Location: Midland, Texas Posts: 1,672	Re: holley carb linkage question yea i gave it another look over today and the accl. pump arm was riding on the cam lobe. im just used to seeing a quadrajet accl. pump move way up and down. it all looks to be ok. __________________ 1972 Cheyenne Chevrolet red and white 357ci, Vortec heads, GM Performance high rise intake, Comp 268H .454/.454 218/218 110 LSA Quadrajet carb, Flowtech headers, 2.25 40 series HEI, Curve kit, TH 350, 3.07 gears 275/60/15s on 15x8 rallies



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