Originally Posted by amgpro2

Thanks for the clarification on SP being synthetic 69cj. I have used RP motor oil and love there stuff.

DSMMH, thanks for the info. I will be switching switching to RP ATF at the next filter/fluid change and see if it makes a difference temp wise.

Here are some case studies using RP: Royal Purple Advantage Why Use Synthetic Oil

Dow Chemical

* 30 oil misted ANSI hot water pumps
* 18 bearing failures per year
* changed major brand 68 to RP Synmist 68
* one bearing failure over next 3 1/2 years (vs. 68 historically over same period)

Premarc Corp.

* two 18,000 lbs fork trucks with Allison TRT2001 transmissions
* 1 to 2 transmission failures per year each @ $6,000 per incident
* changed oil to RP CMT 30
* temperatures dropped from 230°F to 180°F
* no failures in 6 years
* 6 year savings valued at over $50,000

King Fisher Marine

* 8-9 engine replacements per year historically with major brand marine engine oil - only 7 engine replacements in the last three years with Royal Purple Motor Oil
* 6 month life on turbochargers @ $1,000 each
* no turbocharger replacements in over two years with Royal Purple
* annual clutch replacements @ $10,000 to $30,000 each depending on damage
* no clutch replacements in 2 years with RP on 3 boats where this was a problem
* oil drain intervals extended 6 fold (from 350 hrs to 2,100 hrs) with Royal Purple

Clear Lake Cogeneration

* 450 HP vertical 3600 RPM motors driving 14 stage condensate pumps
* bearing life 4 to 7 months – failure severely damaged motor and pump ($14,000 per occurrence)
* changing oil to RP reduced temps. from 400°F to 160°F and increased bearing life to over 2 years