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Post by antonjon on Jul 30, 2013 17:42:28 GMT -6
isn't the oil temp suppose to be close to the water temp ?
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Post by lizardracing on Jul 30, 2013 20:02:37 GMT -6
That's an old school generality that still has some merit. Water 190ish to 220ish, Oil 200ish to 220ish.
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Deleted
Deleted Member
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Post by Deleted on Aug 2, 2013 9:09:25 GMT -6
I have a close friend who builds engines for Nascar, I have asked him about oil temp on a wet sump motor and he has told me to not look at it because it will scare me, LOL. He says, put a oil cooler on the engine and that is all you can do for it. We see much higher oil temps than the water. Our water runs around 200 but the oil can see 260. I have done what he recommends and I dont pay attention to it any more and dont have any problems. You need good oil of course.
Dave
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Post by lizardracing on Aug 4, 2013 21:55:11 GMT -6
Also remember oil is a coolant more so that just for lubrication. High oil temps make it even harder to control water temps. Synthetics have certainly changed the levels oil can survive at and still cool/lubricate well.
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Post by flipflopoo1oo on Mar 1, 2014 9:19:10 GMT -6
To a point you can measure a gain in horses by dropping engine temps 7 degrees to one! From 200 down to 150 is worth doing on a low compression 350 engine on pump gas! Running a low pressure, low volume oil pump with less clearance will yield more horses in lower oil temps and drag! Keeping the oil down stairs away from the heat of the heads, oil restrictors also help with cooling and help keep the lower end flowing full time! While heat finds only one way out it tends to move faster in one direction to the water side and out of the engine! With out the extra heat to expand, clearances are the same as usual! 8,000 is no problem with a stock pan done correctly with a wind-age tray and lower welded pick-up screen using this process!
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Post by flipflopoo1oo on Mar 1, 2014 9:48:53 GMT -6
Another consideration is the gallons of oil weight having to be pumped and slung off by the crank during a race! Some spend good money on light weight rotating assemblies only to load them right back up with oil weight! A few good points to consider and go faster in every aspect of movement and temps!
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