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Either the timing is excessively retarded or you have a worn camshaft or related problem.
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∙ 15y ago
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How do you know if you have a bad valve on a Chevy Camaro?
Loss of power, smoke, knocking noise, popping noise, backfiring through carb, or out tailpipe. Any, or, all of these.
Where is the carb located on a 2001 Chevy 2500?
there is no carb on that truck
Would advanced or retarded timing cause intake backfire?
yes, backfiring is always due to ignition or timing problems. Backfiring through the carb can be a symptom of a lean condition.
How do you convert EFI to Carb on a 1987 Chevy truck 350?
That 87 truck already has a carburetor on it.
What was the stock carb on a 1979 350 Chevy truck?
Rochester Quadrajet.
Why does my Chevy truck cut out when driving in cold weather?
adjust the chock if it has carb.
What causes backfiring on a 2 stroke ATV?
carb or timing
Backfiring throw carb on 89 lemans?
Out of time or a burnt valve
93 Chevy truck will not idle down?
check the ait. on yhe left side of carb..it control's idle.
What would make your truck backfire through carb?
probably 180 deg out on timing
How much horsepower does a 1972 Chevy truck with a 350 engine have?
With a 2- barrel carb.- 165 hp @ 4000 rpm With a 4-barrel carb- 255 hp @ 5600 rpm
What causes backfiring in 350 Chevy motor?
It's lean. Could be a lot of reasons why. Start with the vacuum lines, then the timing, carb, fuel pump, intake gaskets, etc. Look for anything worn or leaking and fix it.
