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I found this response on another forum, but I found it interesting. Here from the "Horse's Mouth": Hi Jim, The Delo 400 LE 15w-40 will be eventually be phased out with the new government emission requirements of the API CK-4. With the current specifications and direction that they are going...

I searched a bit and couldn't find an answer. I'm actually asking a question for my older brother who owns a 100th Anniversary Electra Glide and a Road King. He's been using HD Syn-3 20W50. He recently tried Valvoline synthetic 20W50, because it's cheaper and can be easily found while he's...

My local Phillips 66 Distributor will sell me bulk 15W40 and 10W30 Guardol ECT for a very low price. I used to do business with them for many years when I owned Ford diesel pickups back in the 80s and 90s. I'll be using it in my Semi Truck with a pre-epa 12.7 liter Detroit Series 60 motor. I'm...

I've been using Mobil 1 HM 5W30 in my '97 F250HD 4X4 with a 460 under the hood for quite some time. I know Mobil has changed it's rating from SL to SN. This is a bone stock 460 with 90,000 original miles. I know the 460 has a flat tappet cam, is SN rated oil safe to use in my motor? Thanks in...

I'm a Truck Driver, and I'll need to have a PM Service done on my Semi before I can get home. I have the oil and filters I'll need on board, but where can I find an oil sampling kit? I checked with my local Napa, but they were out. As a matter of fact, the salesman told me the other Napa...

Hi folks! My older brother is a Harley rider and wanted me to ask a few questions on his behalf. He owns an '03 Electra Glide with an 88 ci motor and a '14 Road King with a 103 ci motor. He's looking at Mobil 1 gear lube, and is wondering which to run in his primary's and differentials. He told...

I've been recently been looking to buy a semi truck to run Team with my brother, but it appears my brother wants to drive local before he retires in a few years. So I'm buying a truck and running solo. The engine I'm planning on buying a remanufactured 1998 pre-egr motor and running Regionally...

Hello Board! I've been reading posts here for quite a few years, and I've picked up a lot of good info. I believe this is my first post, though. I own a 1997 Ford F-250HD4X4 with a 460 gas motor, it doesn't get driven a lot, it currently has around 82K on it. Up until recently, I've used the...