1 8 6 3 4 5 7 2 good luck.
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)
below link
the firing order is 1-8-7-2=6-5-4-3on ls2 manual trans
goto corvette action center.com or if you have a small block 350 its 1 8 4 3 6 5 7 2
I would use split fire
Spark plug order? there is no such thing.
It is .004
.035
mabey bad plug wires or plugs....or rotor in the distributor...but im 16 what do i know
Here are the engines that came in the 1969 Plymouth roadrunner,so the spark plug gap is the same for all. I sure would like to see it.1969 Plymouth Roadrunner 6.3L 4BL HP 8cylThe Spark Plug Gap.035 (In thousandths of an inch)1969 Plymouth Roadrunner 7.0L 4BL 2 Carb 8cylThe Spark Plug Gap.035 (In thousandths of an inch)1969 Plymouth Roadrunner 7.2L 4BL 8cylThe Spark Plug Gap.035 (In thousandths of an inch)
The spark plug gap range for the non-Boss 302 is 0.032"-0.036".