Thread: Bosch Spark Plug Question
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Old 05-02-2002, 02:15 AM
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Mike Murrell Mike Murrell is offline
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I'm not sure how ordering from Fastlane ensures proper gap? Fastlane doesn't gap plugs, the mfg. does.

All the H9DC/H9DCO I've ordered were almost TOO small. Std. gap is .032. I agree with Larry. M103 motors idle smoother and run just fine at .036. MBDoc has mentioned in the past that .040 is good. I elected to use a gap in between .032 and .040.
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Mike Murrell
1991 300-SEL - Model 126
M103 - SOHC
"Fräulein"
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