I had to see if this thing was blocked or not. With the engine already up to temp., I hit the highway(I don't do that very often with this car). It was about 75 deg. here today and I did about 10-15 miles on the highway at 80+mph. When I stopped the oil cooler was hot top to bottom. I didn't think it would take that much to get the oil tstat open, but it seems to be fine. Thanks all for your input.

Mark

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85 300D (California) 220k
03 Silverado 1500 Xcab Z-71 Guzzler 90k Real American steel(made in Canada)
03 Suburban 1500 4x2 Guzzler 170k Real American steel(made in Mexico)
Diamondback hybrid
Element skateboard(mileage unknown)

Good news for diesel owners...There's no such thing as cold...only the absence of heat!

"Beer is proof that God wants us to be Happy." Benjamin Franklin

"Possession....the King of sin." The Avett Brothers