Originally Posted by trans665
what about (plugs) ??? what kind of plugs do we buy!!! i know lower temp. but any plug part number or numbers?? to go off of??
Better late than never, lol.
Here is the suggested breakdown:
NGK Plug Part# = Shot Size
B6EFS(1 Step Colder) 3177 = 0-75
BR7EF(2 Steps Colder) 3346 = 75-150
B8EFS(3 Steps Colder) 1049 = 150-225
B9EFS(4 Steps Colder) 1085 = 225-300