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popping exhaust
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Topic: popping exhaust (Read 766 times)
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Saltshaker
Full Member
Posts: 121
popping exhaust
«
on:
August 07, 2022, 08:22:39 AM »
I have a random popping in my exhaust on the right side. This is in a 427 Cobra with side pipes , the pop is random and happens while driving or idling not while accelerating or the decelerating. I’ve tightened all the bolts on the headers and the slip on side pipes have bolts holding them together any suggestions I don’t see any strike marks from the exhaust.
Jon
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1964Fastback
Jr. Member
Posts: 95
Re: popping exhaust
«
Reply #1 on:
August 07, 2022, 09:17:54 AM »
Since it does it while idling, can you watch it idle at night and see if you see any flashes? Might have to drive somewhere dark depending on where you live...
Pat
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1964 Galaxie 500 2 dr Fastback, 390, 4 speed, Indianapolis Indiana
jayb
Administrator
Hero Member
Posts: 7413
Re: popping exhaust
«
Reply #2 on:
August 07, 2022, 12:28:12 PM »
I'd be guessing that it's a lean condition, either overall or in one particular cylinder. Carb issue, vacuum leak in one cylinder, etc.
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Jay Brown
- 1969 Mach 1, Drag Week 2005 Winner NA/BB, 511" FE (10.60s @ 129); Drag Week 2007 Runner-Up PA/BB, 490" Supercharged FE (9.35 @ 151)
- 1964 Ford Galaxie, Drag Week 2009 Winner Modified NA (9.50s @ 143), 585" SOHC
- 1969 Shelby Clone, Drag Week 2015 Winner Modified NA (Average 8.98 @ 149), 585" SOHC
Lg57
Newbie
Posts: 16
Re: popping exhaust
«
Reply #3 on:
August 07, 2022, 07:37:50 PM »
try checking for corrosion inside your distributor cap. That was a problem on mine.
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fryedaddy
Hero Member
Posts: 1254
Re: popping exhaust
«
Reply #4 on:
August 07, 2022, 09:10:30 PM »
my truck was doing that.junk in the carb cleaned out and a kit and it stopped popping.
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1966 comet caliente 428 4 speed owned since 1983 1973 f250 ranger xlt 360 4 speed papaw bought new
Saltshaker
Full Member
Posts: 121
Re: popping exhaust
«
Reply #5 on:
August 08, 2022, 06:31:43 AM »
found the problem, replaced the distributor cap and rotor and it stopped.
thnx for all the suggestions
Jon
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popping exhaust