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Old 05-05-2003, 12:49 PM
manny manny is offline
Registered User
Join Date: Feb 2003
Location: Ontario, Canada
Posts: 3,160
Leaded fuel creates a " cushion " between the valve & the seat.
Todays engines ( build to operate on unleaded fuel ) have induction hardened valveseats & stellite ( or sometimes sodium cooled ) valves, to cope with the abscence of lead.
You have three choices:
1. Add lead substitute,
2. Run the engines until you have valve recession,
3. Have hardened seats & stellite valves installed.
It's you call.
I can guarantee you, you will have problems, it's just a matter of time.
2007 C 230 Sport.
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