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On Start Engine Revs to Infinity and does not idle
Yeah that pull was bent intentionally when were troubleshooting. We could see where it was rubbing the outside of the carb and bent it out for clearance (probably too much). After taking the carb off the cause of the revving was really obvious. The spring on the driver side was installed...- trentdoubledown11
- Post #20
- Forum: Carb Fuel Systems
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On Start Engine Revs to Infinity and does not idle
Just a quick update. I plugged all the ports. Replaced the worst of the hoses. I adjusted idle screws and idle mixing screws to be most restrictive. I have the throttle and choke mechanisms moving pretty good and do not seem to stick when manually operated. Other than getting the engine to...- trentdoubledown11
- Post #16
- Forum: Carb Fuel Systems
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On Start Engine Revs to Infinity and does not idle
I went back to it again. I found all of the screws and adjusted them. It is still revving up like it was before. I'll make sure the screw under the choke has the light touch that was mentioned. A few things I noticed this go round: It seemed to be building up to backfire. I heard about a...- trentdoubledown11
- Post #12
- Forum: Carb Fuel Systems
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On Start Engine Revs to Infinity and does not idle
So I tightened the screw under the electric choke all the way down then loosened it by 2 full turns. The screw on the opposite side (I think is the idle mixing screw) was snug so I loosened it a couple turns too. I tried to start it again with the same results. I've noticed now that when I...- trentdoubledown11
- Post #6
- Forum: Carb Fuel Systems
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On Start Engine Revs to Infinity and does not idle
I bought the truck from my grandfather who made some mods that I don't know about. I'm not sure if the original carb was converted to electric choke or not but it was there when I got it. I purchased the carb to match and plopped it on there. Which vacuum port am I looking for? Front or back...- trentdoubledown11
- Post #5
- Forum: Carb Fuel Systems
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On Start Engine Revs to Infinity and does not idle
Additional Photos- trentdoubledown11
- Post #2
- Forum: Carb Fuel Systems
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On Start Engine Revs to Infinity and does not idle
1984 C10 305 New 4 barrel quadrajet (although it sat for 5 years) New Fuel Pump New dual 16g tanks New Sending Units and fuel lines (between tanks and tank switcher) About 5 years ago the truck died while driving. I replaced the fuel pump and fuel filters (on carb and 2 back at the tanks)...- trentdoubledown11
- Thread
- carburetor rev start throttle vacuum ports
- Replies: 20
- Forum: Carb Fuel Systems
