Posted by Vaughn [18.104.22.168] on Sunday, April 04, 2021 at 10:04:14 :
In Reply to: Re: MPH posted by Keith in Washington [22.214.171.124] on Saturday, April 03, 2021 at 20:01:33 :
In the past 50 years, I have added STP to multiple engines, manual transmissions, transfer cases, and third member assemblies, and I have never experienced any gumming of those assemblies using that product. STP does two things very well; reduces friction and minimizes wear of moving parts. I also use a mixture of 50% engine oil and STP as assembly lube when assembling engines. Indy racers have added it to their race car engines for years and I do not recall ever hearing of an engine gumming up from high revs and heat using it. It does thicken the oil a bit and for a new rebuilt or worn engine, it does not hurt it. The good thing is that it remains on parts when vehicles set for extended periods providing lubrication on startups. I have it in all the assemblies on my PW and will continue to use it, period!
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