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HEI should be at .080. If not HEI then .045
.054 inch ( according to www . ford parts . com , no spaces )
the plug gap is 0.60. hope this helps...
Gap it at .60
TOYOTA CAMRY LE 1986 SPARK PLUG GAP SETTINGS
the settings for the spark plugs are 4 1 3 2 *If it's the electrode gap you require,set to 0.7 to 0.8mm or .028 to .032"(28 to 32 thou).
According to one of Fords websites : For a 1990 Ford Bronco II , 2.9 liter V6 engine : The spark plugs are gapped at ( .044 inch )
The gap is .28
It should be .050
The 1993 Oldsmobile Cutlass 3.1 liter engine spark plug gap is .028. Most spark plugs will come pre-gapped from the manufacturer.
The recommended spark plug gap for a 1979 Olds 4.9L is .060"
The plug gap for the 1990 model, 100 hp Mercury outboard is .040 in.