I have set my firing order on my 1987 Chevy s10 truck at 123456,and it still having firing issues what could be causing it
2 Answers
Clockwise, 1, 6, 5, 4, 3, 2. Looking from the front, #1 would be located at the 5:30 position on the distributor cap. Cylinders 1, 3 and 5 are front to back on the drivers side of engine, cylinders 2,4 and 6 are front to back on the passengers side.
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U first need to know if its chevy or Buick. V6 one has reverse firing order. Both are very similar an both used in same vehicles.