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Old 02-08-2012, 02:40 PM   #1
Acoldtruckproject
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Join Date: Dec 2011
Location: Vancouver, Washington
Posts: 4
Carb rebuild

So I recently rebuilt the rochester 4mc on my 72 c10 with a 350. Now that I have it back on the truck and running, the idle rpms are twice what they should be and the idle adjustment scews seem to have no noticiable effect. I know I'm going to have to pull it off and go through it again, Im just curious if anyone knows the best place to start looking as to why this is happening.
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