quote:I have a GM vehicle and neither the adbv or by-pass is relevant. AC Delco is cheap anyway $3.50, so I go with that. I don't think efficiency is all that relevant with spin on filters. The Super-Tech should be fine. Enjoy. I think Super-Tech oil is a pig in a poke. I have seen many engines go the distance on Havoline/Chevron, Pennzoil, and GTX. It may be fine, I just have simply not seen any "long term" real world data. Are there any 200K+ engines that had Super-Tech??
Originally posted by gtm245: For my application, I do not have a by-pass valve in the oil filter at all. I don't even need an anti-drainback valve but all ST's have one. Anyway all I need out of the filter is 3000 trouble-free miles and excellent filtration. Does the ST filters qualify for this? If I did need a filter with a by-pass valve, I probably wouldn't use one with the clicker-type like the ST but for me I don't need one at all so it doesn't matter. BTW the ST box says 98% SPE and 99% MPE as conducted by the two SAE tests. The Purolator PureOne scored less than the ST on the MPE SAE test. Does this mean the ST really has a better MPE than the PureOne? What micron level does the PureOne have 99.7% and 98% efficiency like the box says? What micron level does the ST have 98% and 99% efficiency like the box says? Thanks everyone.
quote:That is a fellow engineer that I work with. It's a 325i. His miles are really easy, 50 miles each way, back and forth to work. It also rarely gets below 40 deg F here too. He doesn't baby that car though. If we go out to lunch, and I let him drive, YIKES! He either stomps it to the floor, or he's slamming the brakes. I think he's gonna kill himself before that car wears out.
I belive there was a fellow who mentioned a BMW that had over 250K miles on it with ST 10W30 at 6 month intervals.