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Old 02-13-2003, 05:23 PM   #1
HotRod929
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Join Date: Mar 2002
Location: Bondurant, IA but in Worcester, MA for school
Posts: 767
Backfireing through carb. HELP

Every once in a while when I puch the gas down real hard my truck sounds like it backfires through the carb. It will only do this once and then it wont do it for a few days/weeks. What is causing this and how can I fix it? It doesnt sould like a good thing for the carb. I have noticed that it happens when I dont let the truck warm up properly before i start driving it. Thanks for the help guys.

HotRod
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1970 Chevy C-20
350 V-8
Turbo 350 w/ shift kit
Dana 60 w/ 4.10 gears AND Powr-Loc POSI
New Additions:
Summit Headers
135amp alternator
Proform HEI
Edelbrock 1406 600cfm carb
Sunpro Tach
Powr-Loc POSI
Edelbrock Performer RPM Intake
MSD 6A Ignition Box

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