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Depends on what type of ignition system you have. If you have a vehicle made before 1975 with points, about .030- .035 is an acceptable gap. If you have an electronic "hei" ignition you can run larger gaps .045-.060 is common. On a street driven car there is little to be gained in power or mileage by fooling with plug gaps, unless the vehicle has ultra high compression, is turbo or supercharged, is running extremely lean, or has a weak ignition. Most spark plugs will be gapped correctly right out of the box.
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What is the ignition timing point gap and spark plug gap for a 1973 Pontiac 455 v8?
the gap on the distributor points is .016, the timing is advanced 4 degrees and the spark plug gap is .030
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Spark plug gap is .060
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the spark plug gap for 2006 Pontiac g6 V6 is .060
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The Spark Plug Gap.060 (In thousandths of an inch)
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Spark plug gap electronic Pontiac 455?
My 73 Bonneville has points type ignition. The later years had electronic ignition distributors, which had .045 or more gap. If you're engine is points type, the gap is .035.
What is the spark plug gap for a 455 Pontiac?
That depends on what type of distributor/ignition you are running. Point style, good rule of thumb is .035. HEI is usually .045.
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.45 gap
What is the gap for a 1974 Pontiac firebird spark plug?
The dwell for the points should be 30 degrees. The spark plug gap should be .040".
What is the spark plug gap for a 2003 Pontiac grand prix?
for what motor? a 3.8 L would be 0.060
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.059
What is the spark plug gap for a 1979 Pontiac 400?
.045
