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  #1  
Old May 10th, 2008, 04:17 PM
dnp
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David
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Oil cooler option

I'm gonna take one more whack at this ol dead horse: Rather than replacing my original oil cooler lines (since ECR has made the observation that the factory in-radiator cooler is of little, if any, benefit), I am considering using a B&M, stacked plate, in-front-of-radiator auxilliary engine oil cooler, part number 70261. Do any of you have an opinion on why either (a) this isn't a good idea or (b) why this won't work?

If the oil coolers in our trucks are of a single-pass, water-to-oil type cooler, and since we know that engine oil not only lubricates but also cools the engine, it seems to me that we could gain additional engine cooling by going to a more efficient oil cooler. Not only that, this would take care of the cooler line routing at the same time. (BTW: B&M doesn't offer a vehicle-specific application for a NAS D-90; so be advised that the 70261 is a universal design cooler. However, I spoke directly with a B&M national manager who said this application would work)


Any advice on this?
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  #2  
Old May 10th, 2008, 04:43 PM
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Hans Haase
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The one thing to be cautious of though is over-cooling the oil. You don't want it too hot, but you also don't want it to get too cold where it starts to thicken up. It sludges up much worse, and you also start adding more internal resistance to the engine.

If you run an external cooler, make sure to have an oil thermostat in there somewhere.
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Old May 10th, 2008, 07:50 PM
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David
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Quote:
Originally Posted by Hans
The one thing to be cautious of though is over-cooling the oil. You don't want it too hot, but you also don't want it to get too cold where it starts to thicken up. It sludges up much worse, and you also start adding more internal resistance to the engine.

If you run an external cooler, make sure to have an oil thermostat in there somewhere.
Is the mocal adapter thermostatically controlled? If not, do you know of a suitable one that is? It would be just as easy to use one of those and use the B&M cooler with it........
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Old May 10th, 2008, 09:44 PM
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Yep, mocal SP1T is the part number you need. Built in thermostat in the plate. Have one myself, love it.
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