Join Date: Jul 2011
Location: Monroe, Georgia
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I may have found the Holy Grail of oil coolers!
I'm stumped here.
Truck is an 05 F350 dually 2wd automatic. 191,XXX on mileage.
Customer complains of wrench light on and a skip when towing only. Truck had 2 fuel level sensor codes, egr performance code and a cyl 8 glow plug circuit code. Truck runs like a top for me.
I assumed the oil was getting hot and defueling on him. So I drive it home last night and can barely get the oil temp to match the coolant temp on a 20 mile drive. This morning I put an oil temp sender in it, assuming that it is lying to me. Just got back from a 45 minute test drive and the oil temp NEVER exceeds the coolant temp.
A little history. This truck got ONE cylinder head at 92,XXX miles and hasn't had so much as the valve covers off of it since. Even if it got a cooler then it would still have right at 100K on it. It is still running Ford Gold coolant!
Have I found the world's most efficient oil cooler or am I missing something? If it works that well I'm selling him one and putting his used one in MY truck!
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