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6.4L Performance Parts Discussion What has or has not worked for you?

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  #1  
Old 01-11-2010, 07:41 PM
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Royal Purple

Is there a real difference in running Royal Purple oils or is it just hype? Also, what fluids is best to run with a tuned truck. I usually have the dealer service my truck, but now that it is tuned I don't think it would be wise to drop it off with the delete and tuner and such.
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  #2  
Old 01-11-2010, 08:17 PM
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I have a buddy that drives a 6.7 Cummins with all the deletes on it and he is happy with Royal Purple. I don't know if it will work well in a 6.4 or not. I use Valvoline synthetic oil and have been very happy with it
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Old 01-11-2010, 11:05 PM
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i have 2 buddys that run royal purple. one is in a toyota fj cruiser and he claims that it runs a whole lot smoother and just seems happier with what he said to be a noticable power and mpg increas. my other buddy is in a 6.4 psd and says again that his motor runs much smoother and "happier". never mentioned anything about the mpg or power on his 6.4 tho, and his is stock tune and everything. i just hit 35k miles and am going to royal purple this week. i will let you know any of my results
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Old 01-11-2010, 11:59 PM
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i beleieve i saw a dyno video once of royal purple vs other brands and royal made some HP
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Old 01-12-2010, 12:00 AM
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stuffs super exspensive....esp if you need 15 qrtzzz
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Old 01-12-2010, 04:33 AM
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After what happened with twinturbostroker I'm scared to use synthetic.
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Old 01-12-2010, 06:07 AM
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im interested in this also, ive thought about using it.
ive also thought about using Klotz oil, supposed to be better than royal purple, used alot with high performance boat motors and racecars i believe.
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Old 01-12-2010, 09:32 AM
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Quote:
Originally Posted by benbou00 View Post
After what happened with twinturbostroker I'm scared to use synthetic.
I may be wrong, but knowing what we know now with back pressure and these motors, I'd say twinturbostroker's problems were from him over revving the truck, and had little if anything to do with the oil he was running.
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Old 01-12-2010, 10:17 AM
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I ran synthetic in my truck for 65,000 miles before my injector issues (ford issues, not oil related). I had no issues like Julian had....my pushrods were even fine after my truck ranaway and held at 4500-5000 RPM for 2-3 minutes straight....when my new short block gets the oil changed for the first time, I will be going back to synthetic.
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  #10  
Old 01-12-2010, 10:19 AM
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What he said ^^^. I've had amsoil in my truck since its first oil change, now I have 21,000 miles and still no problems like Julian.
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