Technical > Dan Dishon's Transmission Den

synthetic vs. royal purple ATF

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wideopen231:
 What if any advantage is there to using royal purple ATF over a leading brand synthetic. Cost is twice as much wondering if benifits are there also.

bikeguy307:
I have customers that run all kinds of fluid. And I seen no difference in bushing or clutch wear. The fluids range from reg. Type F, to synthtic, to hyrda-stat fluid. I personally run Napa type F. I have never felt the need to spend the money for the higher priced fluid, when I see no wear difference. Some one may have other reasons, such as temp as a reason to run a higher cost fluid. I am interested in hearing everyones choice and why, all info is good.

dusterdave173:
I run cheap Type F for last 25 years in Mopar 727's , Glides, etc   Never an issue with it--
I now use Walmart Type F as Napa has gone nuts with price--I have had a great year running that cheapo stuff and trans pan was clean--trans ran great all year so.....
Fluid type can effect the converter stall/personality more than you would think--like the guys using tractor fluid etc--
All the famous fluids of the past Like B$M Trickshift etc was just Type F

It is my experience that synthetic can withstand very high heat like with transbrake cars before it breaks down--high heat will kill cheap fluid fast--you get one idiot that screws with you staging and you are on the brake a while and Temp SOARS while that button is down
I footbrake so the cheapo Wally world Type F is my choice.

wideopen231:
Temp is the main reason i am looking into synthetics in first place.Car is transbrake. Plus would like to avoid cooler fan if possible.Since block is solid and heads are billet i will not be running radiator or fan and avoiding trans cooler fan would help with weight and electrical needs.
Not throwing mopney away is why I am checking on any differances.As Dan said getting info is always good.Ol Alan Starr told me once that if you went thru a day w/o learning something new you waisted a day of your life.

wideopen231:
Well I have this on two other sites DRR and YB.No reply's on either.No reply on yellow bullet is doing something.I am guessing nobody has seen enough differance to even make a statement.

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