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Read a lot using the search function, and I just don't understand. Is this a good 10k OCI oil like toyota thinks? I'm on the fence , have a 2019 Tundra.

M1 10w30 EP..........Valvoline 5w30 HM 11825 miles...........3,340 miles Iron 35 ppm..........12 Chromium 1 ppm.......0 Lead 28 ppm..........11 copper 9 ppm..........4 tin>..................0 nickel>...............0 silver> 0ppm..........0 Barium>...............0...

Trying the the thin is in thing.First sample ever on this engine with 42k.Wanted to go longer but one particular cold morning the engine had some ticking noise for a few seconds at start-up,I paniced(I should know better)and changed the oil that day..Until then nothing out of the ordinary,mpg up...

Other than going to the stealer not one auto parts place can sell me an air filter for an 04 Aveo....Has anyone bought one,if so where and how much??????? Thanks.

What he said EXACTLY!!!

Gotta change the rear axle seals on a 03 1500 silverado with limited slip.I know it comes with M1 75-90 but I got a real good deal on 2 quarts Valvoline syn-power 75-140,is this suitable switch??? Is the valvo too heavy??? Will it affect gas mpg????? Thanks for any input as I have absolutely no...

anthony vincent 4-9-06

I won 2 cases of oil from XOM.I had a choice of what viscocity and seeing as I use 0w30 in most of the fleet that's what I asked for..Well they sent me 0w30 racing oil,not that I am complaining..I remember reading a UOA from a toyota owned by JohnBrowning and he abused the oil and it seemed to...

There is oil there that's free for the taking,no rebates,coupons,just a simple picture and a little story is all. I entered the Mobil performnane gallery contest in August and won....I had to write a brief essay as to why I use M1..I recieved confirmation today and 2 cases of M1 in a viscocity...

I am interested in maybe trying their oil in my truck.I have used their oils before,although only in equipment that was at a plant I worked at in the early 90's.. Some oil was in service 4 plus years,oil analysis was always used to determine continued useage.A few times the oil was drained from...

My son in laws car.75% highway,25% city driving.He says the check engine light has been on for a couple months,although Blackstone says they can't see anything here to point to a problem.Universal averages are with only 4600 miles on the oil,so I think this did pretty well at 7800.Oil was in...

To you both and all the great members of this site....Glad you guys hooked up...

My boss is going on vacation and wanted the oil changed in his 05 Trailblazer,so off to Expressway he goes. He informs me that for 7 quarts of Castrol GTX start up and a M1 oil filter they charged him $78.00!!!! Now I know that M1 filters are 11 bucks or so and a bit of mark up would be in...

aluminum 2 chromium 1 iron 12 copper 89 lead 3 tin 1 molybdenum 108 nickel,manganese,silver,titanium,potassium,boron 0 silicon 7 sodium 3 calcium 2139 magnesium 21 phosphorus 755 zinc 930 barium 0 sus visc@ 210 f 67.8 high due to moisture flashpoint 380° fuel antifreeze 0.0 water 0.1...

I was perusing the gas engine uoa forum and a couple of them mention using some kind of oil and or gasoline additive.Can a "real" determination of a particular oil verse another be made when using additives???? If type A oil was used for the first uoa with no additives and less than stellar...

We seem top have quite a few here and I have been wondering,do you get a true blend???? If you mixed a 0w30 and a 0w40 do you really get a 0w35?? I mean do the components of the 2 oils really blend together and form a different weight oil or are they just 2 seperate oils rolling together and...

I have read that LS1 engines like a thick 30 weight or light 40 weight,now Dr AEHaas says run as thin as possible...So what should I use????? I am still trying to digest all the good Dr wrote,I have been using 5w30,should I go 0w30,0w20 or should I be looking at 0w04,5w40...

Gentlemen, My wife is a short trip driver personified.Two mile trip to work,errands are worse,a mile here,a mile there,lots and lots of stops and starts a minimal amount of full heating of the oil and after reading other posts it will get run for at least a 1/2 hour on the highway once a week...

I have an LS1 engine,I think, in my 03 Chevy pick up..I used M1 5w30 for the first change and have run RP 5w30 for every other change since..I can tell of no ill effects from using the grade oil GM says to use..I have not done a uoa yet but will on my next change...What data has been collected...

New to the board,wanted to say hi,HI and I haven't been looking around too much yet but anyone here hung up on RP like me????