| Re: [GMCnet] Best oil to use? [message #214803] |
Thu, 18 July 2013 00:25  |
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hnielsen2
Messages: 1434
Registered: February 2004
Location: Alpine CA
Karma: 0
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Senior Member |
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In high school I worked at service station, yes a service station.
Got all hooked up on STP.
Sold the crap out of it using the screw driver trick
The old screw drive trick.
Dip the blade in STP try to hold the screw driver between thumb and forefinger by the blade.
I owned at 54 Chevy smoked like crazy added STP.
Worked
When I rebuilt the 235 found gobs and gobs of STP under the valve cover.
Emery I agree with you don't add this snake oil to your engines.
Howard
Alpine CA
All is well with my Lord
On Jul 17, 2013, at 7:17 PM, Emery Stora <emerystora@me.com> wrote:
>
>> STP Oil Treatment was developed for transmissions and differentials. STP markets it for crankcases. It does reduce friction, it also increases viscosity.
>
> I have seen laboratory analyses of STP but didn't see anything in it that would reduce friction. Basically it was just a heavy dose of VI Improvers (viscosity index). Used car salesmen love it because it will hide leaking rings and cut out a lot of smoke at the tailpipe as well as quiet down a valve train.
>
> You might be confusing STP with Slick 50 which touts that it reduces friction.
>
> Personally I would not put either in my engine as it could hide potential problems and do more harm and no good.
>
> You are welcome to disagree with me. I don't want to start a war on this.
>
> Emery Stora
> 77 Kingsley
> Frederick, CO
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