newcrazycar

Well I have been looking at the royal purple homepage and found some interesting things. First of all i quoted earlier that a test was done on a late model chev truck and gained 15hp or so, hmm, people said i was full of sh**. Anyways, it claims just motor oil alone will give you a gain of 1.5% to 3% more hp-thats 3.9 to 7.8hp(more likely for a 4.6 99+)not bad for just motor oil. As well if you change all fluids to royal purple it will increase more. Not bad for a few bucks i think.Whats your opinion, thats what im going with.

04mustang

ive checked out royal purple too but amsoil beats royal purple in every test. im going amsoil for my next change.

newcrazycar

i went to the amsoil page and couldnt find any dyno results, do i just gotta look harder
or is there another site i coud find the stats at. thanks

callmecobra

"Royal Purple uses a different chemistry than most. They are one of only a handful of marketers using Moly in their oil. Moly is a solid, specifically banned by Cummins, due to excessive valve train wear.

Moly (Molybdenum Disulfide) is a processed mineral that is similar in appearance to graphite. Moly has good lubricating properties when used either by itself (in dry power form or as an additive to oil or other lubricants). Particles of the Moly can come out of suspension and agglomerate. This can actually clog oil filters or oil lines and the rest normally settles in the bottom of the oil pan. This seems to be more likely when using extended drain intervals. The only test we ran on RP involved their 20W50 Racing oil versus our AMSOIL Series 2000 Synthetic 20W50 Racing Oil (TRO). We ran two 4 ball wear tests with different parameters, a spectrographic baseline, FTIR scan and volatility tests. The Royal Purple showed a significantly high volatility rate with a 12.51% boil off rate. This compares to TRO with a 4.47% volatility rating. Wear scars were also smaller with the TRO. For example the TRO left a .41mm scar and the RP oil left a .66mm scar. There was also a surprising difference in the viscosity index. The RP has a VI of 129 versus 155 for the TRO. The higher the VI, the better the viscosity stays in place at high temperatures."

96mustanggt46

Damnit! I just bought 7 quarts of royal purple.

GT99GT

throw it away and get some amsoil , or sell it on ebay, someone will buy it

WS6speeDemon

orrrr he could return it, just take it back with your receit as long as you haven't opened any of them.

Dstang96

so u say that amsoil is pretty good.. never used it but heard much of it.. looks like i have to change over and try the product.. peace out dudes>>>