Recent content by StringerOne

I would suggest a high quality HEAVY DUTY engine oil with API service CJ-4/SN in 10W-30, 15W-40 or or synthetic 5W-40. Brands vary, but try MOBIL DELVAC, SHELL ROTELLA or SUPERTECH (Warren). All these CJ-4/SN HEAVY DUTY engine oils help the Big Rigs go a million miles or more. I'm not an...

I have had my check engine light come on even after tightening the gas cap 3 clicks. I remembered my experience in the Oklahoma oil fields about what my driller told me about o-rings and making a positive seal. O-rings to be effective need to be clean and the mating surface clean. Lube the...

Lonestar: The identification number for the plastic was on all the bottles and jugs. The triangle with a 2 for HDPE (high density polyethylene) was on the bottom of the containers. I suspect that motor oil, much the same way that gasoline, is now made by a few refineries left in the USA. The C...

Went to Wally World and looked at the bottom of the qt. and 5 qt. jugs. ROYAL PURPLE qt. had G in rectangle, 5 qt. jug had nothing; MOBIL-1 and MOBIL SUPER had G in rectangle; CASTROL had BP and G in rectangle; VALVOLINE had G in rectangle; PENNZOIL had G in rectangle; QUAKER STATE had G in...