09-18-2009, 08:57 AM
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CC Member
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Join Date: Oct 2003
Posts: 4,078
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Quote:
Originally Posted by Bobcat
Fred ... my car is ERA 757 , .... I blocked off the oil cooler this summer and ran oil temps in the 140 to 180 degree range when just cruising . If I get on it , they will go to the 200 degree range .... and our ambients down here in summer are in the mid 90 to upper 90 degree range . Bob
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Bob,
That's a reinforcement of what I described with my testing. If highway speed in 90 ambient only permitted 140-180 with it blocked, you can expect 50 deg lower when the ambient is 50 lower. Keeping the oil in the engine only, is the only help you'll get when it's 40 outside-and not much at that. Remember, there's a quart and a half in the cooler and lines of an ERA, plus the bottom surface area of a Canton pan-all are a heat sink which is exposed to 70 to 100+ MPH, 40 deg wind.
Coolers are excellent on the race track and worthless any other time. They are a defining component for the S/C look which we all love, so many of us tolerate their bad points.
200 deg oil is a wonderful thing for power and longevity but you'll never see that in winter, even with a fur coat on the cooler.
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Chas.
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