Amsoil, Royal Purple, Mobile 1

[Splat]

I want to start off with the new(to me) truck the right way and run synthetic oil. Seems everywhere I look everyone has a opinion of each being the best, and subsequent skewed data to back it up. So what say you?

Personally I'm thinking any synthetic oil is far superior to a standard one, and the top 3 listed above all perform equally well, declaring one a superior product is splitting hairs.

Tho I have noticed a slight bias towards amsoil.

Most of my driving is highway driving, so I'm looking for superior wear protection with longer mileage between drains being a nice plus.

Also what the feelings on oil filters?

Bill

 

[ondarvr]

Re: Amsoil, Royal Purple, Mobile 1

There are hundreds of oils and somebody out there likes every one of them.


Read and ask here.

http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=cfrm

 

[LippCJ7]

Re: Amsoil, Royal Purple, Mobile 1

I don't really care, synthetic is synthetic, I know what I have used and I will stick with it. I will say however that I swear by the proper break in of an engine before switching to a synthetic motor oil, gas motor 15,000 miles, Diesel motor 50,000 miles then switch to synthetic. Like you say splitting hairs after that to me also.

 

[backyard mechanic]

Re: Amsoil, Royal Purple, Mobile 1

When "switching to" synthetics, it is smart to use a rule of thumb. How dirty is the engine oil you are switching from. Really dirty, use Amsoil engine cleaner per directions. Semi dirty; use any synthetic, put on a VERY good filter like Wix or Hastings and run it for 3000 miles as an engine cleaning oil. Now switch to the oil of choice and while you're at it, put on the best filter available. BTW, the best filters available come from Amsoil.

I also tell folks that Amsoil is the best synthetic oil in the world. It is by API standards the best there is. But oil is just one of the products that make Amsoil great. Their filters are superb and they actually compliment the oil. Synthetic oil can only be as good as the filter you purchase so good filters are as important as good oil.

Run purple or Mobile 1 or Valvoline or whatever.... the point being it is synthetic and you should read up on the detail that makes each oil different. Also read up on what weight you should use (again in the API web site).

I run 5/20 NAPA synthetic (which is Valvoline synthetic) and I buy a Wix or Hastings filter. I run my oil for 10000 miles but I also run a lot of highway miles daily. The only reason I don't run Amsoil is is my access to Amsoil is poor. Yes; you can have it shipped. Convenience is where I fall short in that category. Yes, I have run Amsoil and found it's filters will keep oil cleaner for twice the miles as conventional. That's what makes Amsoil affordable... change oil once a year vs. three or four changes at 5000 miles (like you would with synthetics and a OTC filter). If you live in the city, get Amsoil and follow the directions.

 

[Vlad D Impeller]

Re: Amsoil, Royal Purple, Mobile 1

This is what I would do. Mobile1 synthetic at the recommended weight and PureOne Purolator oil filter, which is probably the best for it's price range.
Change the filter every month and just top up to the correct oil level with the Mobile1 synthetic. After the first year drop the oil pan and check for evidence of sludge build up.

 

[bigdee]

Re: Amsoil, Royal Purple, Mobile 1

I would shop by price,not change oil or filter sooner than recommended. There is no documented evidence that proves that you will save money by doing otherwise. I document my maintenance costs and target the bottom line. Exceeding the owners manual recommendations will cost you money as will getting suckered into the oil & filter myths.

 

[Jerryh3]

Re: Amsoil, Royal Purple, Mobile 1

I run Amsoil in all my vehicles. Oil/filter changes at 10K. I usually buy the WIX or Amsoil filters.

 

[642mx]

Re: Amsoil, Royal Purple, Mobile 1

I don't really care, synthetic is synthetic, I know what I have used and I will stick with it. I will say however that I swear by the proper break in of an engine before switching to a synthetic motor oil, gas motor 15,000 miles, Diesel motor 50,000 miles then switch to synthetic. Like you say splitting hairs after that to me also.

That's an old wives tale... The Corvette was one of the first to come from the assembly line with synthetic... and now many others have followed.

 

[642mx]

Re: Amsoil, Royal Purple, Mobile 1

I've been a fan of Mobil 1 for a long time. Lots of guys use the RP & Amsoil with good luck too. I would pick one that's easily available and stick with it.

Remember, the best oil... is clean oil.

 

[Go Aweigh2452]

Re: Amsoil, Royal Purple, Mobile 1

My Audi (2001) came with dino oil and the dealer recommended I switch to syn after the first 10K. I did that. I run 0W30 Mobile One.
I know we are talking trucks... but... good info on oil filters:

I found this on bobtheoilguy site:

The Champion Labs make several oil filters... found on Bobtheoilguy...

For Mercruiser 35-866340K01 oil filter:

We do manufacture several of the Mercruiser numbers. This particular filter is not available in the shorter version in the Super-Tech line. We do offer several different brands of filters. We also manufacture the STP filters from Autozone, which is a S8873. This would be a cheaper alternative for you as well. Here are some other brands of filters we offer with the proper part #'s.

A/C Delco = PF454
Champ/Luberfiner = PH454
Mighty = M454
Mobil = MO5313
Mobil 1 = M1-111
Purepro = L5313
Royal Purple = 10-454
Service Champ = OF5313
STP = S8873
Valvoline = VO65
Warner = WPH454

These part numbers would be equivalent to the Mercruiser number you have. Let me know if you have any other questions.

Bob Buckman
Tech Rep
Champion Labs
618-445-5394 (direct)

 

[JRJ]

Re: Amsoil, Royal Purple, Mobile 1

I take it you bought a used pickup? Gas or Diesel?
I use Chevron Delo 400 15-40 in my Cummins. I use it because the outfit I worked for had over a hundred trucks and dirt movers and that's what they used. Thousands of hours of engine time and I never saw an engine failure due to lubrication.
You can certainly spend more money on oil, but all you'll gain is a lighter wallet.
Enjoy your new rig.

 

[Boomyal]

Re: Amsoil, Royal Purple, Mobile 1

I take it you bought a used pickup? Gas or Diesel?
I use Chevron Delo 400 15-40 in my Cummins. I use it because the outfit I worked for had over a hundred trucks and dirt movers and that's what they used. Thousands of hours of engine time and I never saw an engine failure due to lubrication.
You can certainly spend more money on oil, but all you'll gain is a lighter wallet.
Enjoy your new rig.

Hold on to your hat JRJ. They have all but taken the Zinc out of the Delo 15-40. Diesels love zinc. Chevron doesn't talk about it much but it used to be a fav of many when they were taking zinc out of regular automotive oils. Now it is hardly different.

 

[LonLB]

Re: Amsoil, Royal Purple, Mobile 1

That's an old wives tale... The Corvette was one of the first to come from the assembly line with synthetic... and now many others have followed.

I was going to comment on that but wanted to wait till I got to the end.

I used to competitively autox a Chevrolet Camaro, and spent some time in a Z06 Vette too.
Mobil 1 would be my personal last choice. LT1, LT4, and LS1, LS6 engines had lots of failures due to oiling issues when road racing or autoxing. In every case the user was using Mobil 1.
My engine included.

It loses viscosity at high temps, and can give down right scary oil pressure readings at really high temperatures. It burns faster, and many times a Mobil 1 oiled engine that burns oil will stop with a switch to a different oil. Including conventional.


To me, it just makes sense that if it doesn't work in extreme enviroments, it doesn't make sense to use it ever.

 

[puddle jumper]

Re: Amsoil, Royal Purple, Mobile 1

Remember, the best oil... is clean oil.

Dito for me.

I have used Amsoil In my own trucks and Royal Purple in race cars. Mobile One seems to be the favorite of European autos. At Toyota we used recycled 10-30 in every thing and never had a problem and many high mileage autos. Just change your oil on a regular basses and you will be fine.

 

[LippCJ7]

Re: Amsoil, Royal Purple, Mobile 1

That's an old wives tale... The Corvette was one of the first to come from the assembly line with synthetic... and now many others have followed.

That may be for a corvette but every diesel manufacturer from Cummins to Caterpillar has a break in period for their motors and suggest(sometimes require) that non synthetic oils be run until after the required break in period. I believe the corvettes motors are broke in/dyno tested at the factory before they are even placed in the car which would be a pretty good idea but they are not truck motors anyway. I have 2 diesels, a 2000 powerstroke with 300,000 miles and a 2006 Cummins with 206,000 miles so you can make your own decisions.

 

[642mx]

Re: Amsoil, Royal Purple, Mobile 1

I was going to comment on that but wanted to wait till I got to the end.

I used to competitively autox a Chevrolet Camaro, and spent some time in a Z06 Vette too.
Mobil 1 would be my personal last choice. LT1, LT4, and LS1, LS6 engines had lots of failures due to oiling issues when road racing or autoxing. In every case the user was using Mobil 1.
My engine included.

It loses viscosity at high temps, and can give down right scary oil pressure readings at really high temperatures. It burns faster, and many times a Mobil 1 oiled engine that burns oil will stop with a switch to a different oil. Including conventional.


To me, it just makes sense that if it doesn't work in extreme enviroments, it doesn't make sense to use it ever.

Good thing I don't auto-x my cars... (sounds like fun tho).

 

[642mx]

Re: Amsoil, Royal Purple, Mobile 1

That may be for a corvette but every diesel manufacturer from Cummins to Caterpillar has a break in period for their motors and suggest(sometimes require) that non synthetic oils be run until after the required break in period. I believe the corvettes motors are broke in/dyno tested at the factory before they are even placed in the car which would be a pretty good idea but they are not truck motors anyway. I have 2 diesels, a 2000 powerstroke with 300,000 miles and a 2006 Cummins with 206,000 miles so you can make your own decisions.

I'm not much on diesels, I never owned any and worked on few... so I'll give you the benefit of the doubt on the oil burners. But your original post said to wait 15K miles before switching on a gasser... which isn't true.

Here's a list of vehicles that come "factory filled" with Mobil 1. http://www.mobiloil.com/USA-English/MotorOil/Factory_Fill/Vehicles_Filled_Mobil_1.aspx?pg=1 I believe there are over 40 of them...

 

[ezmobee]

Re: Amsoil, Royal Purple, Mobile 1

To me, it just makes sense that if it doesn't work in extreme enviroments, it doesn't make sense to use it ever.

Dang nabit! If even Mobil 1 is crap, I'm switching to SuperTech and never lookin' back!

 

[bigdee]

Re: Amsoil, Royal Purple, Mobile 1

Dito for me.

I have used Amsoil In my own trucks and Royal Purple in race cars. Mobile One seems to be the favorite of European autos. At Toyota we used recycled 10-30 in every thing and never had a problem and many high mileage autos. Just change your oil on a regular basses and you will be fine.

Agreed. If you follow what is recommended you cannot go wrong. The biggest mistake is not the brand or type of oil but rather the viscosity range. If you experiment with that you are destined for failure. I know of people who are afraid of the factory recommendation 0f 5W and switch to 10W30 or worse of all 20W50. Most wear comes during startup before the oil can freely circulate. There are two types of lubrication,static and dynamic. Static is the ability for oil to cling to surfaces and provide protection until oil pressure (dynamic)takes over. With a higher viscosity oil the interval between static and dynamic is too long and there is a period of no oil protection. This is the single biggest reason that pre-60 cars very seldom made it more than 60K miles,they wore out at startup because they used straight weight oil. After multi-grade oil hit the market you seen engine life increase. You cannot compare racing oil to conventional oil. Racing oil has a very narrow and specific additive package designed for engines that are used in racing situations. Conventional is much more sophisticated than 'racing' oil, only because it has to function under an almost impossible array of conditions.

 

[skargo]

Re: Amsoil, Royal Purple, Mobile 1

That's an old wives tale... The Corvette was one of the first to come from the assembly line with synthetic... and now many others have followed.

I agree. No need for so called "break in" with conventional. I would recommend a good lab like Blackstone to test a sample and not just change your oil at some random interval. Of course, if it's under warranty follow the manufacture's recommendation, but out of warranty follow the labs advice. I am on a 10K mile interval on my Cummins engine with non synthetic.

Nothing more wasteful than dumping good oil out...