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Old 12-07-2000, 10:13 AM
123 300D driver 123 300D driver is offline
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Join Date: Aug 2000
Location: Canada
Posts: 127
Robert, your last paragraph is exactly what I have been doing...watching the voltage while I drive with all of the accessories on. I guess my beast must be running properly, because I get exactly the same voltage numbers that you describe. What are the chances of that happening?

About the oil, I have been using semi-synth 5W30 and that's why the engine will start down to -5F without using the block heater. I got this stuff from a local farm supply shop. In summer I use 15W40. Switching to the 5W30 made a substantial improvement in cold cranking speed. I wouldn't trust my car starting at -5F with the 15W40 stuff, no way! I think it would be reliable down to only 5F. Also, the oil pressure drops about 2psi with the thinner oil though.

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