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  #1  
Old 12-09-2010, 02:38 PM
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Royal Purple ATF

It's about that time on my truck to give it a tranny flush. I want to change the fluid type to Royal purple, but I have heard some rumor that it is not good in ford trucks. I do some towing with my truck, but when I do its a heavy load, otherwise, it is just normal driving (with a lead foot I would add) So, what I am asking is it safe to put royal purple ATF in the transmission?

2007 FX2 F150, 5.4 V8, K&N cold air intake, more to come...
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  #2  
Old 12-09-2010, 02:46 PM
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I'd recommend Amsoil instead.

Darrin Burch recommends Mobil 1.
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  #3  
Old 12-09-2010, 02:52 PM
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The only place I use RP is in the differentials, in my opinion RP is overpriced even for the differential oil... I just use the valvoline ATF recommended by ford for my trans flush.
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  #4  
Old 12-09-2010, 02:58 PM
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I just switched my engine oil and filter to Amsoil monday. I will be switching my trans fluid to Amsoil when I do my trans service next.
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  #5  
Old 12-09-2010, 03:08 PM
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I run RP in my diffs and engine now and will soon be making the switch to RP in the tranny and transfer case as well. I think its all just matter of opinion, I don't think you can go wrong using Amsoil, Mobil 1, or any other quality brand.
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  #6  
Old 12-09-2010, 03:14 PM
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My preferences....
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  #7  
Old 12-09-2010, 06:07 PM
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thanks

Thanks for your opinions. I really believe rp is the best, abeit overpriced, but you get what you pay for. I never liked mobile one after I seen the royal purple salesman take a bottle of it off the shelf and put it to shame. Again thank you and keep the opinions coming!
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  #8  
Old 12-09-2010, 08:10 PM
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I buy all my Royal Purple on Ebay. 5 gallon 5w-20, and quart-case Trans Fluid.

I flushed the Mercon V out two months ago, and did something like 18 quarts to refill...I've got a Mag-Hytec DD pan, and an auxiliary spin-on trans filter.

The truck already has a separator plate-but even so, it shifts better now, over the Mercon V.

The motor oil is the best I've ever used. I burn NO oil.

I also run RP in my motorcycles.

I'm pretty sold.
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  #9  
Old 12-09-2010, 08:43 PM
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Royal purple is great oil, but I don't think it is worth the extra cash.
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  #10  
Old 12-10-2010, 05:35 AM
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Royal Purple works fine in Ford. So does Red Line & Lucas Oil. Red Line has a "High Temperature" formulation that I like.
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  #11  
Old 12-10-2010, 05:36 AM
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Quote:
Originally Posted by SuperSlabCab View Post
I've got a Mag-Hytec DD pan, and an auxiliary spin-on trans filter.

Which auxiliary filter do you have? Where did you install it?
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  #12  
Old 12-10-2010, 08:50 AM
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I bought my filter from Dieselsite.com, although I don't see it listed there anymore. It uses a large spin-on, and its mounted up by the trans cooler.
Filters, but is also directly in-line to catch debris, should the trans blow up, from entering the torque converter.

It has a gauge that tells you when flow is restricted, and the filter needs to be changed-which has never happened.
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SuperSlabCab-'07 F150 XLT 4x4 LongBed HD

Mechanical
S&B Intake, SCT Livewire, VMP Tunes, Troyer Fans, Factory Tech Separator Plate, Bilstein 5100's
Mag-Hytec Extra Capacity: Trans Pan, Diff Cover, Dieselsite Trans Filter Kit-Pressure Gauge-Flush Valve
All Royal Purple Fluids

Appearance
Roush Grille, Line of Fire, Fold a Cover, LMI Seat Lift

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  #13  
Old 12-10-2010, 09:03 AM
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Amsoil...nothing but in all applications. Their Severe Gear I arguably the absolute best you can get. Their ATF will perform flawlessly in your tranny.
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Flowmaster 40 si/do Exhaust
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FireStone Air Bags
Autometer Carbon Fiber Oil/Trans Temp Gauges
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Peterson Fluid Sys. Remote Oil Filter
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Troyer Performance Electric Fans
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Amsoil Fluids Throughout
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  #14  
Old 04-13-2011, 05:17 PM
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How is it overpriced if it can go 6000k???

At 3000k you change the filter and add a quart!
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Old 04-13-2011, 05:17 PM


 
 
 
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