Hi Guys, I think I've made a newbie mistake. My cylinder head temps never go above 350 which is good. The bad part is I never verified what oil temps I should be running. I've read the archives but would like to hear it first hand... here is what is happening. When traveling fully loaded on the highway I often see a steady 260 degrees and 35 psi oil pressure. The odd time it will go to 270 if the weather is hot and the oil pressure drops to about 28. It hit 275 when I took to poor girl up to the top of Mt Washington (I had to... I believed in her). I've probably driven 1,800 miles like this and no problems have occurred that I can tell. SO...Have I've been too rough on her? What kind of temps are other people with Air Cooled engines seeing when road tripping? From some posts their oil temp is 230 etc. Should I be worried about going that high for sustained periods? Should I just ease off the pedal a bit more? Will changing to semi synthetic help? Other Info - She seems to run very happily - I'm running castrol 20W50 oil & filter changes every 3,000kms / 1,800miles - I think I've had to top her up about 1 quart oil in 3,000kms / 1,800miles - I have an auxiliary oil cooler - All the tin is good and engine compartment seal in place - Engine bay is quite clean - My van is well maintained / stock - I've been driving about 105Kms(62mph) on the flats and about 80Kms(50mph) up the hills, downhill I tend to let it go to 110kmh(70mph) to help get up halfway the next hill. - She gets 20mpg consistently on the highway Thanks for your opinions! JP
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