higer oil temp after rebuild, bypass??
#21
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#23
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I agree shoot the filters with a temp gun first. Also, while unlikely, is it possible that one engine is reading the temps after the cooler and one before? Maybe hose routing after the rebuild?
#26
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I would shoot a temp gun at the oil pan, oil filter and the sender compare that then compare against the other engine doing the same.. This would be the easiest and first place to start as others mentioned.
#28
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#29
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direct from the 500EFI merc manual
Oil temp at 5200RPM=170-180*. (Full throttle)
I dont know how mercury racing got away with those temperatures. On oso, you need 250* oil temps or your engine will get milkshaked, not lubricate properly, and destroy itself. You need to get high oil temps to burn off the water coming in from your poor choice of camshaft selection thats reverting.
Page 76.
http://www.mercuryracing.com/_media/...5010%20500.pdf
Oil temp at 5200RPM=170-180*. (Full throttle)
I dont know how mercury racing got away with those temperatures. On oso, you need 250* oil temps or your engine will get milkshaked, not lubricate properly, and destroy itself. You need to get high oil temps to burn off the water coming in from your poor choice of camshaft selection thats reverting.
Page 76.
http://www.mercuryracing.com/_media/...5010%20500.pdf
#30
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