GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

8 hp gain to the wheels just by using Royal Purple

Old 07-31-08, 08:14 PM
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bg_281
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Default 8 hp gain to the wheels just by using Royal Purple

This is why I use it in my car... Everyone has heard different things about using differents lubricants but I need proof before I beleive something... and here is my proof...

Video showing horsepower gains with Royal Purple:
http://www.royalpurple.com/rp-video/hptv1.html

Video explaining benefits of Royal Purple:
http://www.youtube.com/watch?v=kqvhRi7-iMA

Last edited by bg_281; 07-31-08 at 08:20 PM.
Old 07-31-08, 08:59 PM
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98GS430
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Wow, that was impressive. Wonder what kind of difference it would make in a GS
Old 08-01-08, 04:25 AM
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I discussed the very same topic a some years ago https://www.clublexus.com/forums/sho...ple+horsepower

Royal purple gear oil is good stuff & is ideal for LSD's too
Old 08-01-08, 02:49 PM
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I'm not buying that 8 HP
Old 08-01-08, 06:14 PM
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jcat_350
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makes you wonder what they put in before then...


i don't think so. royal purple sponsors nearly all the shows on powerblock (ugh, yes, i admit i was formerly addicted) but there's definitely some influence from royal purple that somehow made that gain. maybe they used the wrong type of lube to kill the friction up a little or went from dino to synthetic.

as political as syndicated national tv is, i doubt this is just a clever discovery by those two beanbags on horsepower tv.
Old 08-01-08, 08:22 PM
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When I lived in Mexico, we had an unofficial Royal Purple salesperson who I let in at our track but he would only sell me their gear oil buy the carton

Nevertheless, he had a guy near where I worked downtown who had a very popular tuning shop along with a dyno. He tested this on one vehicle, an MKIV Golf and got +4 hp after changing it to Royal Purple. The problem is that I have no idea what the Golf had been running before and neither did its owner. And add into the fact that the owner estimated he had been running such oil for at least 4000 miles or so. I also suggested trying some other oils like Mobil 1, Redline, Motul, Liqui Moly and even offered to buy some very expensive (in Mexico) Castrol 0W30 just to test it out, but nothing further ever became of this. However, there are many at my track that swear by RP and use it, claiming they felt a butt dyno difference.
Old 08-02-08, 01:39 AM
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swat1727
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yeah, make that car didnt have an oil change for 10k miles. who knows. 8hp is a lot just from oil.
Old 08-02-08, 10:26 AM
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Average cars see 3-5HP gain after oil change is known. Replacing dirty resistant oil with new one yields higher horse. 8 HP is reasonable, I still think redline is better.
Well, now I don't have race cars, so I just use Mobil 1.
Old 08-02-08, 11:06 AM
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PHML
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Someone told me that RP foams up in the engine....as you know foaming is bad....causes friction. Can anyone confirm this?

RP should do a comparison with Amsoil.

Last edited by PHML; 08-02-08 at 11:17 AM.
Old 08-02-08, 11:16 AM
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whats better

Royal Purple or AMSoil?
Old 08-04-08, 09:58 AM
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its possible 3-4 but not likely to see 8 hp! even if u hadnt changed the oil in 10k miles the sludge shouldnt be that thick u would gain that much!
Old 08-04-08, 10:03 AM
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I will believe 8hp if they put in NEW regular dino oil afterwards with a report of 8whp loss, then drain the oil to put in the previous RP fluids and then finally report a 8whp gain.

You need a back to back to back to back to back dyno run to show 8whp. Anything around 5whp can be influenced by the dyno itself. Wait an hour after your dyno run..your results will vary even if you didn't do anything to the car.
Old 08-11-08, 10:17 AM
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I just changed my oil from conventional oil to Royal Purple this weekend. I have 99,875 miles on my vehicle. I haven't nor do I plan on running a dyno on my car but I can tell you this, there is a slight increase in response from the oil change. Additionally, the engine seems to run MUCH smoother than before.
Old 08-11-08, 10:47 AM
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Remember, this test did not comprise of just an engine oil change. This was a combination of engine, tranny, & diff being changed to synthetic RP to yield the 8hp gain on the dyno jet. I believe it.
Old 08-11-08, 12:01 PM
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Originally Posted by DASHOCKER
Remember, this test did not comprise of just an engine oil change. This was a combination of engine, tranny, & diff being changed to synthetic RP to yield the 8hp gain on the dyno jet. I believe it.
+1 agreed! All three things combined...8hp is believable. I'm just too damn afraid to switch to a Royal Purple or Amsoil synthetic in my 102K mile GS. It's my DD and I don't want to cause any unnecessary failure/leaks.

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