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The Water Cooler
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Older vehicles and this cold weather...
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<blockquote data-quote="TANSTAAFL" data-source="post: 4392200" data-attributes="member: 27098"><p>More cylinders = more friction. The effect of internal combustion heating is minimal. If it was the primary you'd melt holes in pistons and cylinders and melt valves. Decades back I thought that, my Dad an engineer with the big three set me straight. As for exhaust heating you are 100% correct. Back in the 70's one of the largest problem auto manufactures had were overheating of Catalytic converters (at least Ford did.)</p><p></p><p>This is one of the reasons new motors heat up faster than older motors, tighter tolerances = more friction in most cases.</p></blockquote><p></p>
[QUOTE="TANSTAAFL, post: 4392200, member: 27098"] More cylinders = more friction. The effect of internal combustion heating is minimal. If it was the primary you'd melt holes in pistons and cylinders and melt valves. Decades back I thought that, my Dad an engineer with the big three set me straight. As for exhaust heating you are 100% correct. Back in the 70's one of the largest problem auto manufactures had were overheating of Catalytic converters (at least Ford did.) This is one of the reasons new motors heat up faster than older motors, tighter tolerances = more friction in most cases. [/QUOTE]
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