A Surprised (and, admittedly, somewhat reluctant) M1 Fan

Joined
Feb 6, 2020
Messages
467
Location
Charlotte, NC
2006 Toyota Tacoma, 2.7L
I purchased this vehicle used from a Ford dealer, Jan 9, 2020. It had 111k miles on it.
I, of course, knew nothing of its maintenance history. I waited 2k miles then I changed the oil. I hemmed and hawed about what oil I should use in it. At the time, I had a Fusion and an Explorer. I had been using MC syn-blend in both of those and recently switched the Fusion to Castrol EDGE and Napa full syn in the Explorer. IIRC I had a coupon for M1 and there was a rebate going on. I picked up a jug of M1 HM.
Over the course of the next OCI it was burning some oil. I did not really pay attention to how much, but I know that it was at least a quart in 5k miles.
As time went on, it started burning less and less. Now, I am about 5,500 miles into this OCI and the level it still right at the full mark on the dipstick, it has not burned any.
Since I purchased it, I have done the following changes:
113k (2k oci)
118k (5k oci)
123k (5k oci)
130k (7k oci)
137k (7k oci)
143,500 (6,500 oci)
I have switched back and forth between M1 HM and M1 T&SUV.
I am assuming that it cleaned up the piston rings, grooves, and oil drain-back holes??
If this is the case, I certainly don't see a need to run Valvoline Restore & Protect. I mean, there is probably no harm in it. But, perhaps, these M1 oils do the same thing, just as well?
I say surprised in my thread title because I was not expecting this to happen. Not at all.
Why do I say reluctant? At least for me personally, in my mind, it's because M1 is the biggest and the best. It's kind of like pulling for the underdog in a contest. It's like not wanting the Yankees to win because they are the biggest and have the most money and can pay the big-name players the most money. It was like when Jeff Gordon or Jimmy Johnson was winning all the time. I didn't want them to win because they drove for big Hendrick with all the cars and all the money.
However, I am certainly impressed and very pleased with these results.
 
2006 Toyota Tacoma, 2.7L
I purchased this vehicle used from a Ford dealer, Jan 9, 2020. It had 111k miles on it.
I, of course, knew nothing of its maintenance history. I waited 2k miles then I changed the oil. I hemmed and hawed about what oil I should use in it. At the time, I had a Fusion and an Explorer. I had been using MC syn-blend in both of those and recently switched the Fusion to Castrol EDGE and Napa full syn in the Explorer. IIRC I had a coupon for M1 and there was a rebate going on. I picked up a jug of M1 HM.
Over the course of the next OCI it was burning some oil. I did not really pay attention to how much, but I know that it was at least a quart in 5k miles.
As time went on, it started burning less and less. Now, I am about 5,500 miles into this OCI and the level it still right at the full mark on the dipstick, it has not burned any.
Since I purchased it, I have done the following changes:
113k (2k oci)
118k (5k oci)
123k (5k oci)
130k (7k oci)
137k (7k oci)
143,500 (6,500 oci)
I have switched back and forth between M1 HM and M1 T&SUV.
I am assuming that it cleaned up the piston rings, grooves, and oil drain-back holes??
If this is the case, I certainly don't see a need to run Valvoline Restore & Protect. I mean, there is probably no harm in it. But, perhaps, these M1 oils do the same thing, just as well?
I say surprised in my thread title because I was not expecting this to happen. Not at all.
Why do I say reluctant? At least for me personally, in my mind, it's because M1 is the biggest and the best. It's kind of like pulling for the underdog in a contest. It's like not wanting the Yankees to win because they are the biggest and have the most money and can pay the big-name players the most money. It was like when Jeff Gordon or Jimmy Johnson was winning all the time. I didn't want them to win because they drove for big Hendrick with all the cars and all the money.
However, I am certainly impressed and very pleased with these results.
Hard to say. Sometimes oils need time before they settle in so to speak. It could have cleaned up some amount of buildup and therefore reduced oil consumption if the previous owner was using lower quality oil for the life of the engine.

Restore & Protect is the only oil that claims to be able to clean the rings and ring type deposits. I personally would use R&P if I bought a used vehicle with unknown history. I think it's the perfect oil for it.

You can never go wrong with Mobil 1 though.
 
Nice surprise indeed! M1 oils seem to have worked wonders on your engine, cleaning up those piston rings, grooves, and oil drain-back holes. Oil consumption's way down, so you might not need that Valvoline Restore & Protect after all. Guess M1's the real MVP here!
 
Just curious: Why different brand oil in each car?
Several years ago, I moved from WI to NC. As I mentioned, I was just using MC SB (which, by the way, I still think is great oil).
It was just a combination of things, really. Being on BITOG more and concerned about the summer heat in NC. I switched my Fusion from 5W20 to 5W30 (maybe this will turn into a thick vs thin thread now) and I was going to start running full syn. Someone on here had a post with a small chart that compared a few properties/numbers on four different oils and Castrol EDGE was the "best", so I went with that.
Like I said, when I bought the Tacoma, I had a coupon and a rebate, so I went with M1.
When my Mom bought her Civic, I was concerned about long OCI with the Honda OLM, as well as fuel dilution fears, so I wanted a decent EP oil, and I don't know, just ended up with Valvoline. (As another aside, I have never detected any fuel dilution in the Civic; zero odor, oil level not increasing over the course of OCI, etc. Probably not going to bother with analysis though.)
I guess a question here that we will never know the answer to: Would these results also have happened with other oils?
A couple other quick notes that also came to mind:
The Tacoma has had a fairly steady diet of either Exxon or Shell premium fuel since I have had it. That of course should not have anything to do with the rings, but perhaps cleaned the piston tops and combustion chamber??
A couple months ago the CEL came on. It was the secondary air injection switching valve was not closing as it should. While I was dragging my feat doing research, the light went off and never came back on. I am guessing that maybe a hunk of carbon was lodged in the valve and finally broke free and blew out?? If that guess is correct, was that due to the oil cleaning, or the fuel cleaning??
 
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