I've been advised to use non-resistor plugs too but I don't know the reason. After AC Delco went down the tubes, I ended up trying NGK B6S plugs as a substitute. They seem to be working well (in my 235).


Larry Kephart
1937 Chevy Utility Express (Deerslayer)
1955 1st 3100 Chevy (BillyBob)
2017 Cadillac ATS-V (Elvira)
Boca Raton, Florida
e-mail: [email protected]

http://www.laroke.com/larryk4674/1998/billybob.htm