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Discussion Starter #1
68XR7 302 with Holley 4V carb. Cars runs rough at startup/idle.
Was told to replace this carb with an Edlebrock 4106 4V carb.

Holley has been rebuilt 2 times. Should/can it be rebuilt a third time?
 

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Sure it can be rebuilt again..lots of times actually.
When you do, make sure the power valve is replaced as well, and that there are no vacuum leaks anywhere.
 

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As others here have stated many times, most carb issues are actually ignition related. If the carb is solid, a quick kit is only 25 bucks...Or a new one may solve your problems. I would try the kit first, then look at a new one if that doesn't help..
 

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Discussion Starter #6
What's a "quick kit"? What is a "power valve"?
What should a carb rebuild/jetting cost for this carb?
 

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