Recent content by DougW75

I've heard ALS too. Thanks. I'll give them a try.

'04 Saab 9-5 Aero Sport Kombi (127,000 mi): AmsOil Full SAPS Euro EFM 5W40 - Every 5,000 miles. '00 BMW 328i Sport (131,000 mi): AmsOil Full SAPS Euro EFM 5W40 - Every 6,000 miles w/ OEM or Mann filter change every 3,000 miles. Next up: '85 Porsche 944 (98,250 miles): AmsOil Full SAPS EFM 5W40

Can anyone recommend an oil analysis service for Turbine HTS oils? I have run into a carbon formation issue and need some answers. Thx,