New motor, What oil?

[BIG_FAT_LOSER]

I soon will be firing up my new 22r. Anyone have a oil preference? Synthetic, Regular, 20/50 or 10/30.

I have heard not to run a synthetic until after break-in. Yes, No?


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[singlehanded]

oil who puts oil in an engine????LOL

I use 10w30 4x4 synthetic quakerstate

local

[blind655]

Im running Castrol Syntech 20/50. works great

A suburban might not be as good as a truck, but it comes damn close with 8 people in it

[Dave_G]

Pat,
I wouldn't use the synthetic until the rings have had a chance to seat. Wait for maybe 500-800 miles before you switch. Just go with the 10/30 or 20/25 for the break in. When we break in aircraft cylinders we run a straight 100w mineral oil for 30 hours to seat the rings before running the multi weights or synthetic oils.

Dave

"I know it all, but I can't remember most of it..."

[cleartoy]

Hey Pat, avoid synthetic for a bit. Just use straight 10-30 or 10-40.

I just installed a new 22 R in my 85 last month. Im running straight 10-30. Changed the oil at 100 miles to get rid of new metal shavings from break in. At 500 miles, i will change the oil again, retorque the head, and check\adjust valves.

85 Toyota xtracab 4x4(for sale)
94 Toyota stdcab 2x4
99 Yamaha YZ250

Got Sand??

[fox_mccloud2000]

Well I have a 22RE and I'm running AMSOIL 10w-40.
Let me tell you this. I got better gas milage with this oil and better responce from the engine. Well I started using it around 185k and now I'm up too 211k and I love it! And my mother also had it put into her new Subaru and it gets better gas milage then reported on the sticker. Anyways, I'd use synethic then change the oil out. Well thats my 2 cents.

-matt-

[havahockey]

After the engine is broken in I would recomend trying Amsoil also. I just put in their synthetic in my Tacoma 3.4L and i've noticed the engine is a lot smoother and is a little more responsive from when I used other brands.

[Kritter]

When you go from conventional oil to synthetic oil (or even fresh conventional oil) after a well needed oil change it feels like it makes a big difference but you are only gaining the performance that dwindled away during those abusive miles between the oil change. Thats how I tell when I need an oil change...the performance of my truck goes down even with Mobil 1 in it, usually around 2000-2500 miles. Lucky I get free oil changes. I would like to see dyno results of gains in HPs under equal circumstances.

Kris

[AllwaysRcn]

On HorsePower TV they did a Dyno comparison of before and after an oil change, and they came up with like 8hp or 10hp increase.

[Kritter]

I believe that, but I am saying I want dyno results that show a gain in horsepower from running one motor oil versus another. ie, mobil regualar vs mobil 1, castrol vs castrol syntec......

Kris