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Old 05-07-2001, 09:17 AM
stevebfl stevebfl is offline
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Join Date: Mar 2000
Location: Gainesville FL
Posts: 6,844
Heat pumps with spark plugs?

Personally I don't see the point. The only area likely to be improved by spark plugs is the idle. Most of these cars idle fine forever with the plugs MB specified at a great savings in price. The only reason I can imagine changing to a different plug would be to extend their lives and avoid the labor costs of replacement. Since the cost of labor is way more than the cost of the standard plug.
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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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