Royal purple reccomendations
i'm planning on doing the MT gear oil soon along with the rear end. i think i'm gonna go with royal purple since i've heard its a good all around formula for cold/ hot weather.
what weight should i go with and also are there any other brands i should go with instead: Mobil, redline, motul etc? any help is good also i tried search but didn't really know what to put in box so i kinda gave up quick you can just link if you want thanx in advance all :ylsuper: |
I switched to all royal purple fluids in my 8 and it worked out nicely... A little costly about $90 for all the fluids including the radiator fluid addative which actually NOTICABLY lowered my engine temps.... For the motor oil 5-30 and the others i cant remember ill look and check for you and see if i can find it on the net
*Edit synchromax for the transmission just make sure you get the one for manual not auto Max-Gear for the rear end (weight unknown i think it was 75 but dont quote me on that) Purple Ice radiator addative http://www.royalpurple.com/prodsa/images/scmaximg.jpg http://www.royalpurple.com/prodsa/images/mgearaimg.jpg http://www.royalpurple.com/prodsa/images/prpiceimg.jpg http://www.ushio-co.com/RoyalPurpleHP/bottle/5w30.gif |
75W90 for the rear end.
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I'd heard in the past from a very reputable rotary tuner that using anything like Redline Watter Wetter or Royal Purple's Ice additive was very bad for rotaries. That the coolant was getting into the engines and the additives were causing a lot of damage.
Anyone care to confirm or refute this claim? From that recommendation I've always stayed away from such products. |
There is nothing different material wise in a rotary than there is in any other engine.
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I'm recalling what I was told from years ago: but weren't the older rotaries injecting a small amount of coolant would be into the housings at start-up, or something like that? And it was then that allegedly the additives were prematurely wearing the seals.
I don't know, I always was confused and thought was you just said RG... |
The RX-7's had something called sub zero starting which would inject a small amount of coolant into the combustion chamber from a separate reservoir when the temperature dropped below freezing. It wasn't much, just a few drops. Not enough to matter. There's no worry with using those coolant additives.
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Originally Posted by Bloodroz
synchromax for the transmission just make sure you get the one for manual not auto
Max-Gear for the rear end (weight unknown i think it was 75 but dont quote me on that) Purple Ice radiator addative[/B] http://www.royalpurple.com/prodsa/images/scmaximg.jpg http://www.royalpurple.com/prodsa/images/mgearaimg.jpg From Royal Purple's website: Synthetic Gear Oil» Max-Gear® is formulated to improve the efficiency of rear end assemblies and manual transmissions. Virtually eliminates both gear and bearing wear. API GL-4 / GL-5 Certified. |
Max Gear 75W90 is what I use in both the tranny and rear end.
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Thanks RG, gave me a scare the for a second considering I just put Max Gear 75/90 in mine a few weeks ago. :ylsuper:
Thanks, |
Yeah, I've had 75w90 Royal Purple in both my tranny and differential for the last 10k.
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can someone specify how many of the 75/90 oils are needed to fill both gear & rear... thanx
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I want to say it was like 2.5 quarts total, or somwhere around that.
There is a DIY in that section of the forum on this very subject. The amounts needed are listed in that thread. |
I bought 4 Max Gear 75/90 and it seemed to do that trick.
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Synchomax is the wrong stuff for the RX8 transmission. This came up once before so I checked back with Royal Purple and here is their response:
Your friend is incorrect - the transmission should use our RP MaxGear 75W90. That's what I have in my 94 R1 RX7. Cheers, David David Canitz Tech Services Manager Royal Purple Ltd 1 Royal Purple Lane Porter, TX 77365 281-354-8600 x202 281-354-7335 fax 713-725-7207 cell dcanitz@royalpurple.com |
Doesn't get better than that when the guy responding has an RX vehicle.
As a side, I think by '94 they'd changed it to the R2 package and the R1 was only for the '93 model. |
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