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Old 12-28-2006, 07:15 PM   #1 (permalink)
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vacuum leak

i bought an 84 pickup with a 22r and it burned oil reeeeal bad, so i rebuilt the motor, and now that the motor is mechanically sound, i have a vaccum leak, its really bad, it sounds like its coming from the back of the carb. i checked all the vacuum lines, and tried sealing the base of the carb and the spacer, but its still there, the noise goes away, when you blip the throttle which is why im thinking it must be a vacuum leak. the crack-head i bought the truck from said the carb had recently been rebuilt by "some speed shop", but whatever the truck was only four hundred bucks, so who cares. I was just wondering if anyone has ever seen the carb housing itself crack, and cause a leak, or if anyone has any other ideas as to what it could be. Im thinking about buying a weber 32/36 so that i know that the carb is in good working order, and i also think that eliminates a lot of the vacuum lines, correct me if im wrong. thanks in advance for you help.
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Old 12-29-2006, 06:33 AM   #2 (permalink)
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anyone, before i buy a new weber?
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Old 12-29-2006, 09:28 PM   #3 (permalink)
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be careful of...? what carb did you have, trying to decide between the 32/36 and the 34
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Old 12-30-2006, 02:15 PM   #4 (permalink)
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whats the difference between a 32/36 and a 34?
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Old 01-01-2007, 11:08 PM   #5 (permalink)
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a trick ive learned for finding vacuum leaks is a squirt bottle of water or carb cleaner even....before u sink a bunch of money into fixing. a proper diagnostic of the problem will save you tons! people have been known to overtighten carbs so it is possible the body is cracked. good luck
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