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Old 06-05-2021, 09:40 AM   #37
Captain J
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Join Date: Nov 2017
Location: H, Q
Posts: 180
Re: Rochester QuadraJet 4bbl Carburetor issue

Quote:
Originally Posted by geezer#99 View Post
Why are you looking for a nos one or reman carb?
Does your truck start normally now?
You know. Pump it a couple times to set the choke, fire it up, it runs on a high idle, tap the throttle after a couple minutes, it idles down to normal, put it in gear and off you go.
It starts but no high or low idle 🤔

I’ve other trucks, one requires a 800cfm carb, one requires 750cfm
Thanks again
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1986 GMC Sierra C2500, V8-454
1986 GMC Sierra C2500, V8-LS1
1986 GMC Sierra K2500, V8-350
1987 GMC Sierra R3500, V8-454
1997 GMC Sierra K2500, V8-454
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