STP OIL TREATMENT

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Model T Ford Forum: Forum 2012: STP OIL TREATMENT
Top of pagePrevious messageNext messageBottom of page Link to this message  By scott thayer-Ohio on Tuesday, November 13, 2012 - 02:58 pm:

stp has zinc and phosphorus in it like oil used to has anyone used this in a T


Top of pagePrevious messageNext messageBottom of page Link to this message  By Erik Johnson on Tuesday, November 13, 2012 - 03:00 pm:

Don't waste your money putting STP in your Model T. It's not needed.

5W-30, 10W-30 or even SAE 30 motor oil will suffice.

I prefer 10W-30.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Ken Kopsky, Lytle TX on Tuesday, November 13, 2012 - 03:58 pm:

STP is a friction modifier. I wouldn't use it with wet clutches and bands. There's times when you want friction. :-)


Top of pagePrevious messageNext messageBottom of page Link to this message  By Royce in Dallas TX on Tuesday, November 13, 2012 - 04:04 pm:

STP is thick as honey. It is probably fine in a rear axle but I would not run it in an engine I cared anything about.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Bob Clark - Glendale, WI on Tuesday, November 13, 2012 - 04:09 pm:

If you want an ZDDP additive this is a good one.

https://www.pegasusautoracing.com/productselection.asp?Product=1678


Top of pagePrevious messageNext messageBottom of page Link to this message  By Richard Wolf on Tuesday, November 13, 2012 - 06:37 pm:

A friend uses straight STP in his Model T rearend.


Top of pagePrevious messageNext messageBottom of page Link to this message  By john kuehn on Tuesday, November 13, 2012 - 08:09 pm:

STP is great in gear boxes on tractor or mowing equipment. Rear axles it would be great.
I used it to put engines together with. Such as bearings and journals. Just a very thin coat is fine. Hotrodders in this area have used it for years for that purpose.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Richard Gould on Tuesday, November 13, 2012 - 08:21 pm:

Like John says, an excellent assembly lube. Not expensive, easy to find.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Richard Wolf on Tuesday, November 13, 2012 - 08:42 pm:

On diesel truck engines( Cummins and Mack)on the
mains and rod brgs, we used White grease, can't remember the brand.


Top of pagePrevious messageNext messageBottom of page Link to this message  By HARRY A DAW on Tuesday, November 13, 2012 - 10:16 pm:

Put STP in a 26 T years ago. After running a few miles, it had soaked into the bands so bad that I barely made it home after adjusting the low gear and brake bands several times. Had to put new bands in. That was back when we used original type band material. Don't know if it could be run with Kevlar or wood bands. No body could catch me when I had STP in there. The engine really ran great.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Ted Dumas on Tuesday, November 13, 2012 - 10:33 pm:

The only additive I have faith in is Rislone for stuck hydraulic lifters. Most additives, I believe are not needed.


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