I know you guys have herd of that royal purple
motor oil. Has anyone tried it on a rotory? https://www.nopistons.com/forums/pub...DIR#>/wink.png |
I used it in my TII for 1/2 of an Autocross season. My car ran noticably cooler. I love it. I am going to put it back into my FD engine this week before my 1st AutoX.
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I run synthetic 10w-30 in my "crankcase" and the synthetic 2 cycle premix in the tank. Won't know how its works till my car is running though https://www.nopistons.com/forums/pub...DIR#>/wink.png
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RP is good stuff, as long as you are running Premix
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so its not something I just put 5 quarts in and do an
oil change with i guess. |
Originally Posted by rxpower' date='Mar 9 2003, 09:14 PM
so its not something I just put 5 quarts in and do an
oil change with i guess. |
RP is great from what I heard.
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I am running Royal Purple, last oil change was the first I have used it so I dont have alot to say other than RP hasnt somehow made my car blow up unexpectedly.
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at sevenstock5... Royal purple had a stand there... they were saying you can use it... but mazda doens't endorse it...(liability reasons)
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its just another brand of synthetic oil thats all.
I think people just hop on the RP bandwagon when any synthetic will do the same job, AMSOIL is a superior synthetic. |
actually, now that I remember it, a high performance outboard engine place tried
5 different oils in 5 different engines and RP was dropped from the test because the engine it was in ran so badly, smoked like crazy, fouled out the plugs and the gases made the people sick. They took the RP out and put another brand of synthetic in and it ran great again. Thats the same oil alot of people use when they pre-mix. I would use the Amsoil 2 cycle oil. |
CASTROL GTX HIGH MILEAGE 20W-50 NICE AND THICK!
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I've never run their motor oil but I've use RP's gear oil and the stuff is some of the best I've come across.
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There was a rotory magazine from Australia that tested RP and some other
synthetics, and RP didnt fare that well at all. I think its one of those things that people just assume because they read about it on forums so they think it has to be good. Kind of like my extended life anti-freeze, people with nothing to back it up say its bad for a rotory, meanwhile I have been using it for about 7 years now. |
Yeah it seams to me its one of those things people jump on.
I was just wondering cause i have been seeing the comercials so much just wanted to know if any of you have tried it. |
Well I have seen several shows on tv where the car is brand new, with new oil and they dyno it and then they changed to RP and dynoed it again and the cars on average gained over 10rwhp..... I have heard that several people using it see a big drop in oil temps.... Well I'm just giving it a shot...I'm sure I won't be able to afford to use it for much longer https://www.nopistons.com/forums/pub...DIR#>/wink.png
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Racing Beat recently switched from Selling/endorsing Amsoil to Royal Purple, apparently they have had good results with it...
""Racing Beat has been recommending the use of synthetic oils in rotary applications for several years. Our research has found that synthetic oils provide superior friction reducing between sliding surfaces, reduced foaming, and lower oil temperatures. We have tested several different synthetic oils and have found that while most offered improved wear and lower oil temperatures, none offered any horsepower gains... except for Royal Purple! Our in-house testing has yielded up to a 2% performance increase after changing from mineral-based oil to Royal Purple Synthetic Motor Oil. How could this be? Jim Mederer, co-founder and chief engineer at Racing Beat, was truly puzzled. With over 35 years of professional racing experience under his belt, he has seen and tried just about every “new” lubricant that hits the market. All offered better wear and lower oil temperatures but none offered any horsepower improvement. After spending time consulting with the engineers at Royal Purple to better understand the reason for the horsepower gain, it was explained that the secret was the proprietary ingredient “Synerlec”. This Synerlec ingredient provides an ultra-slick film on internal engine components to significantly reduce power-robbing friction. Less friction equals more power! Other professional engine builders have confirmed that Royal Purple Synthetic Racing Oil delivers measurable horsepower gains. Independent dyno tests show increases up to 5% (on smaller displacement engines) with nothing more than an oil change. Give Royal Purple a try with your next oil change! "" Sounds like it works, but I still use Castrol 20-50 and change the oil every 1500-2000 miles - I can't break the old habits, and I have never had problems. Even in my piston engined "race" car I use valvoline strt 40-wt, non synthetic. If you change your oil often I can't see the synthetic benefits |
This is some of what was said after testing TCW-3 which is what everyone uses for pre-mix:
All of these engines were used on research boats. With the exception of the 200 hp, they all spent the majority of their time working at low rpms pulling nets or other gear. The Royal Purple was used on one of the 150 HP. It was dropped from the test after 50 hours. It smoked badly, fouled plugs, and generally made the crews nauseous. It was replaced by the Redline Watercraft oil. The change was dramatic, the smoke was reduced to almost nothing, the plugs were lasting 200+ hours, and the crews were happy Another did a test of all different synthetics, the results of the wear test resulted in RP coming in at #10 out of 11. I guess it doesnt matter, people will use what they hear from someone else to be best. I would say that Mazdatrix did what anyone else would do in thier position and went with the company who gave them the better deal. They probably werent making any money selling Amsoil because its fairly simple for any shop to get a commercial Amsoil account and buy right from them. |
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so bottom line is.. which to use best on an fd https://www.nopistons.com/forums/pub...DIR#>/wink.png what should i use, it dont get very cold here (houston,tx) so whats best to use on my car, i been using non-syn. 10w40 https://www.nopistons.com/forums/pub...IR#>/wacko.png
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Originally Posted by Rob x-7' date='Mar 10 2003, 02:22 PM
This is some of what was said after testing TCW-3 which is what everyone uses for pre-mix:
All of these engines were used on research boats. With the exception of the 200 hp, they all spent the majority of their time working at low rpms pulling nets or other gear. The Royal Purple was used on one of the 150 HP. It was dropped from the test after 50 hours. It smoked badly, fouled plugs, and generally made the crews nauseous. It was replaced by the Redline Watercraft oil. The change was dramatic, the smoke was reduced to almost nothing, the plugs were lasting 200+ hours, and the crews were happy Another did a test of all different synthetics, the results of the wear test resulted in RP coming in at #10 out of 11. I guess it doesnt matter, people will use what they hear from someone else to be best. I would say that Mazdatrix did what anyone else would do in thier position and went with the company who gave them the better deal. They probably werent making any money selling Amsoil because its fairly simple for any shop to get a commercial Amsoil account and buy right from them. Still more justification for me to stick with good ol Castrol 20-50 Dino Juice I believe you are right, most manufacturers will push whatever brands they get a better volume discount on... |
holy ****! A useful Gen D thread! wow. https://www.nopistons.com/forums/pub...IR#>/blink.png
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This is really interesting. One thing that is never really clarified is the whole OMP vs Pre-mix thing. This is where i get confused, synth is good for pre-mix? While its bad for running an oil injection system? I don't see why it would be bad, i have seen motors that have run full endurance racing seasons (daytona-sebring-petit le mans) that have run on synth and you can eat off their motor parts, erstwhile the sister motor ran on castrol 40wt, and looked and smelt like a million mile diesel inside. Given that these are 4.0 liter Nissan's, and not rotary motors. So why would a synthetic motor oil be bad for a rotary motor? Ash?...i dont think so
just clarify the whole OMP synth debate with one clear answer for me I do not give a ******* rats ass if you run pre-mix...i'm not ******* around with measuring out pre-mix 4-5 times a week (at least). I drive my vert 55-120 miles a day |
Well my reasoning for running syn premix is it is made to be burnt up, while syn motor oil is not.
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Yeah what are the benefits of pre mix?
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How did this get pinned in Gen D?
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who the **** pinned this?
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I put it in gen D cause its about oil not fc or fd's in particular just a
"General Discussion" about Royal Purple https://www.nopistons.com/forums/pub...#>/biggrin.png |
Originally Posted by bigtime' date='Mar 11 2003, 02:46 PM
who the **** pinned this?
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