If you are running the stock HEI distributor, .045" is good.
.035
ngk or autolite platinum series
The turbo 350 transmission came in a 1979 ElCamino.
Most Chevy 350 4 bolt engines will bolt into a 1979 Corvette.
The proper spark plug gap for a 1980 Chevy 350 Pickup is .045, according to spark plug manufacturer (Autolite, Bosch, NGK) specs.
NO. And it won't work in the place of the 97 350 vortec.
.045.
The spark plug gap for a 1991 Chevy Silverado 2500 V8-350 is .035, according to major spark plug manufacturers (i.e. Autolite, Bosch, Denso, NGK).
Depending on compression and quench, go to autolite's web site. They offer an excellent AR plug for your app.
1.8.4.3.6.5.7.2
3.48"
no