Plug Recomendation
A quick description of the motor.
2.7L, Solex cams, 9.7 :1 compression, NGK BP5ES plugs, Weber 40IDAs.
I kinda like the NGK plugs, but wonder if I should switch to a colder heat range.
I plan to increase the gap to .04/.045.
6s, 7s ?
Advice?


