mike

you're right i had my head up my 420sel's pipe. good theory so what ever is the next step up in the standard plug's heat range would be correct choice.

oasis100

as far as lessening the plug's gap i really think an increase is the correct way. it seems to me in the 60's we ran .032 to .036. now they run a high gap up into the .045's. i believe the theory is the more available physical spark the greater or more complete ignition you should get. frankly though i'd probably leave the gap at standard dimension.

again however this is only a stop gap measure. you really need to discover what is causing the problem.

__________________
Thanks Much!
Craig

1972 350sl Red/Blk 117k
1988 420sel charcoal/Blk 140k
1987 420sel gold/tan 128k
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