Fireindc

iTrader: (13)

They make a VR1 full synthetic. Thinking about running it in my track car this year, I always just ran t6 and changed it every 2-3 events before. VR1 is more expensive but maybe I'll run it a bit longer.

Bajingo

I doubt it matters much but I've been using this.https://www.mobil.com/en/lubricants/...l-truck-5w-40/

The euro blends gave me lifter tick pretty quickly but this stuff the car stays as quiet as T6

LeoNA

Your running hydraulic lifters?

Bajingo

Yep factory.

LeoNA

I know they were standard on the first 1.8's, but most replace them with the later SOB units. I would rather listen to the ticking then run diesel oil.

Bajingo

That's stupid. You'd rather your engine makes noise than use a oil that is a favorite of practically every group of car enthusiasts?

thebeerbaron

iTrader: (1)

[CITATION NEEDED]

assuming you mean SUBs. I’m not sure anyone actually bothers to put those in a NA8 head. NB heads are better all-around and are a far easier upgrade.

LeoNA

I guess the engineers at the oil manufactures don't know what their talking about when they say don't run diesel oil in a gas engine, but the enthusiasts know better. Its more then just potential cat damage. Weird how they like the product developed by the same people that don't recommend it for their application. Ticking lifters will not cause a failure, but the reduced lubricity of the diesel oil will. Two entirely different applications with different limiting factors.

LeoNA

The reason is the high availability of SOB's and the ease of installation. They are an inexpensive performance mod. The hydraulic lifters were phased out because they were problematic and reduced performance. NB heads have gotten expensive and relatively hard to find.

Bajingo

Dude you are dumb as ******* hell. Literally nothing in your little statement here is factual.

Why are you running a synthetic 0-40? The Mazda engineers definitely didn't recommend that, go use 10/30 dino oil they recommend dork

LeoNA

Maybe I wasn't clear I meant the oil manufactures don't recommend these products especially for performance applications. I have had several conversations about using diesel oils in gas engines for access to higher levels of phosphorous with engineers at Mobil and Cheveron. I guess I am dumb and uninformed.

Bajingo

You know that rotella would meet the sn spec if it didn't have the excessive phosphorus? It did meet the sn rating until the last revision.

You know as well as I do that the oil people care about more than how well the oil lubricates, emissions and efficiency is something they care about.

LeoNA

Its more like an obsession to find the magic lubricant. Reality is that there are better oils for this application. Every additive decreases the lubricity of the base ester and PAO. The OP was concerned that he couldn't find the magical T6. The recommendations were to use something else in the meantime and that many of the other options are actually better.

Bajingo

You have misunderstanding one of the biggest draws of T6, it was $21 a gallon at Walmart. A very good oil that keeps our cars quiet for $30 oil changes is amazing. Why buy $40 a gallon M1 when T6 keeps the car quieter for half the price. We all know there's better oils but you'll be extremely hard pressed to beat t6 once price is factored in.

LeoNA

I have seen M1 and Penzoil platinum on sale for $25/5qts and both are better options.

Bajingo

Both let my lifters tick at a lower mileage. The turbo diesel truck oil is specifically points out high performance cars. Rotella used to as well.
https://www.mobil.com/en/lubricants/...el-truck-5w-40
it also meets the sm certification. Just because the label says Diesel doesn't mean it's bad.

LeoNA

Since the newer diesel's are now equipped with cats they have change the formulations. This is not the same as the original formulations that started the following. It was stated early in this thread. The current diesel oil still has too much additive to contend with limiting factors in diesel's, as in carbon saturation and TBN declination. You should run what you want. There are other options and a few dollars more is a non-issue.