Should I re-gap my spark plugs????
I bought a new set of spark plugs today and I wanted to know if it is necessary to re-gap them. The plugs are the Bosch copper H9DC for my 300E. I think their factory gap is .32 . I have read a few posts dealing with people re-gapping their plugs. I have the tool to re-gap them, but I wanted to know the pros and cons of re-gapping spark plugs. Is it necessary? If so, what should I re-gap my plugs to??? .38?? .40??
1987 mercedes 300E
1995 e320 conversion(hated the 300e grill)
Monochromatic Paint (Custom Blue)
Flat Badged (front)
custom "carbon fiber" console
18 inch HP EVO rims
Sold! Now I drive a Monte Carlo SS