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holley 4160 accelerator pump leak

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Old Apr 17, 2008 | 07:57 PM
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76 F-150 390FE
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holley 4160 accelerator pump leak

i have all but given up on the edelbrock in my last post here, it wont idle right or even at all. i have a holley 4160 that i had on the truck before i got the edelbrock, the reason i took it off was because it had a gas leak at the accelerator pump. i have rebuilt it twice both times it seals for a day or 2 then starts leaking again. not sure of the issue both times the diaphragm has came out looking just fine, i was wondering if that is a common issue. it would just be a steady drip of gas on the intake.
 
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Old Apr 21, 2008 | 05:50 AM
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It could have a hairline crack in the bowl somewhere causing the leak.
 
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