For anyone driving at sustained high speeds the tire inflation should be adjusted. More important than tire pressure though is the speed rating of the tire. In these cases I think a good investment would be one of the new hand-held infrared thermometers so you can keep an eye on the temperatures of the tires. I hope no one is trying this on the NCT's!!!! Also watch the tread wear which is accelerated at higher speeds and temperatures. The main point to my comments about tire pressures is that most owners are cavalier about taking car of their cars. The argument that parts are expensive can't explain the inattention to correct tire pressures. Those four rubber ballons that keeps the rims off the road with some air inside is all that connects the car (and you) to the road!!!! Think about that the next time you go into a tight curve at speed in the rain. This is what the problem with the Ford Explorers is all about. The tires are near their maximun capacity, couple that with low tire pressures (which reduce load carrying capacitity) and the tires overheat, fail, and since it has a high center of gravity tend to roll over (unlike our Deloreans which have a LOW center of gravity). David Teitelbaum vin 10757 --- In dmcnews@xxxx, Dick Ryan <deloreanbiker@xxxx> wrote: > David T. is correct - as usual. However, there is an > exception. And, if you drive long fast interstate > trips like I do, this is something you should know. > > Check the DeLorean Workshop Manual, L;12:01. Here > you'll see that for "high speed" driving the > recommended pressures are 29 PSI front and 34 PSI > rear.