about a 1986 c10 backfires

Asked by Sep 15, 2016 at 09:14 AM about the 1985 Chevrolet C10 Base

Question type: Maintenance & Repair

On my truck it wants to backfire when
I try to crank it I put new timing chain
and new distributor cap and plug
wires what else could it be for it to
that

1 Answer

55

Did the backfiring start before or after you replaced the plug wires, cap, and chain? If it happened after, take a timing light and re-time the engine...should be 4 degrees BTDC (pretty much the industry standard for that era).

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