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Spark plug gap for a 1977 Corvette using ACDelco R45TS is .035
1978 Chevrolet Corvette 5.7L 4BL OHV 8cylThe Spark Plug Gap.045 (In thousandths of an inch)
The Spark Plug Gap.060 (In thousandths of an inch)
.045 plug gap.
the gap should be .025
.044 gap on tubro
.32 to .35
.043
.035
.035
The spark plug gap is ( .044 inch )
.045