Not quite that drastic, I meant to write plugs. I have 6 very dark brown plugs with soot at the bases. It's too dark to do any more tonight, I will round up a coil tomorrow

Thanks for all the help so far and stay tuned for the conclusion

Steve Lemberg

1936 Chevrolet 1 1/2 ton truck
1970 Mercedes 280SE 3.5 coupe
1987 Mercedes 560SEC supercharged
1989 Mercedes 300CE 5.0 M119