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Old 10-07-2011, 06:25 PM   #1
will scratch
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Join Date: Mar 2010
Location: wichita kansas
Posts: 22
carb question

Demon 650 vac sec. if I adjust the idel screws (4 corner) in all the way then the motor seems to idel best. Holley video on you tube says the engine should die with idel screws in all the way or the power valve is bad. Do I need to replace the power valve? The engine seems to have no get up and go. I know Holley and Demon are different carbs. Some thing is wrong with this carb for it to be doing this isn't there?
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79 2wd Blazer/ flip kit, drop spindles, drop springs.
355 c.i. sbc, 350 tranny
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