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Old 04-01-2013, 09:13 PM
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eatont9999 eatont9999 is offline
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Join Date: Jan 2012
Location: Dallas, TX
Posts: 1,948
Before I swap 2 and 3 plugs, I am going to take the car for a short drive, make sure it is at op temp and get a second reading of the plugs. I have been running straight D2 for the last few tanks, so the fuel should not be in question at this point. No additives have been put in the tank, either.

I am using a multimeter that cost me about $40. It's not the cheapie from HF but I have one I will use as a cross reference.
1991 F250 super-cab 7.3 IDI. (rebuilt by me) Banks Sidewinder turbo, hydroboost brakes, new IP and injectors.
2003 S430 - 107K
1983 300SD - Tanoshii - mostly restored ~400K+.
1983 300SD - Good interior. Engine finally tamed ~250K.
Monark Nozzle Install Video -
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