6.0 Rev X testing Bill @PHP - Ford Powerstroke Diesel Forum
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Old 06-13-2011, 05:32 AM
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6.0 Rev X testing Bill @PHP

Quote:
Originally Posted by PowerHungry
Well, we finally got around to picking up a nice little 6.0L so we could really start beating these things and see what they're going to handle. We did some dyno testing relating to calibration differences, but that's for another post. I want to cover here specifically what benefits we saw from adding Rev-X to our oil.

Here are the vehicle specs:

Engine: Late 2004 (2005 style heads)
Mileage: 284,000
Block: Stock
Heads: Head Job (Valves, Guides), Head Studs, Black Onyx Head Gaskets
Turbo: Stock
Injectors: Stock (Some newly replaced, though not sure how many)
Exhaust: Completely Stock (Cat still in place)
ECM: VXBC9N8
TCM: TQBF0NA
FICM: ARZ2AL10

The first thing we did when we purchased the truck was to toss the Inductive Heating (I/H) strategy in favor of a non-I/H version. It simply stands to reason that if the injectors (or specifically, the spool valves) are in good shape, there's no need at all for the inductive heating of the injectors.

Well, I found out on my first cool morning that the I/H strategy was covering up some slight deficiencies and stiction issues with the injectors. Starting was not a problem and the idle was reasonably smooth. However, a short trip up the road revealed an extremely noticeable miss above 25% throttle. This lasted for about 2 miles before the injectors warmed up enough to function correctly. Honestly nothing terribly unexpected from running this particular FICM strategy.

A few days later we got the truck over to the shop and strapped it down to the rollers just so we could see what's what. We did several comparisons with different base ECM and FICM strategy combinations, just to get some real-world numbers. The original VXBC9N8 strategy was a bit of an underperformer, although this what I had expected anyway. I switch to the VXBC6 an found modest improvements which, again, was what I expected.

After a few hours of swapping files in and out, I ended up with a solid 140 HP program that was putting down some pretty impressive numbers:

419 HP at 2800 RPM
820 Ft/Lbs at 2600 RPM
400+ HP from 2600 RPM to redline

Needless to say, I was pretty happy with those numbers and was ready to call it a day. Then a thought hit me. (I know, it's rare ) Just for grins, I grabbed some Rev-X off the shelf, poured it in the engine, and let the engine run for a bit while I checked other fluids, analyzed my earlier datalogs and dyno plots, and cleaned up a bit. After about 30 minutes, I decided to try a couple more runs. Now keep in mind that this vehicle had been running for about 3 hours solid, with the only off time being how long it would take to change programs (maybe 2-3 minutes) so the engine oil and coolant temps were reasonably stable.

I will regularly do a series of three dyno runs, disregarding the first, using the second, and referencing the 3rd for comparitive accuracy. The following dyno plot is done with this format. These are the 2nd run plots for the 140 HP program with and without Rev-X.

(click image to enlarge)


As you can clearly see, the Rev-X has made a significant difference in power through the entire RPM band, especially between 2000 and 2600 PRM. The was a 9 HP and 25 Ft/Lb peak gain, with the 400+ HP mark moving down to 2550 RPM.

What I also noticed (and you can't see on the dyno) is that over the next few mornings my cold running issue had been completely eliminated. The trucks starts up perfectly and I can immediately take off without so much as a skip or hiccup.

I am currently planning to produce some fuel economy results, but I unfortunately do not have any "before" numbers since I hadn't even used 1/4 of a tank before we put the Rev-X in. However, I'm very interested to see what my final economy does come out to... once I settle down and quit playing with the truck.

Up until now, I've been extolling the virtues of Rev-X simply based on the responses and feedback from our customers. In fact, that was how we found out about it in the first place. Now, as a Rev-X user, I must say that I am thoroughly impressed. Will it work for everyone? Who's to say. We've most certainly had non-positive feedback from customers who said it did nothing for them, but those type of feedback were pretty infrequent. In most cases, our customers did notice some positive benefits. I know I'm pretty happy with it.

I hope this information is helpful.
Good stuff
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Old 06-13-2011, 06:16 AM
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Good stuff!
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Old 06-13-2011, 06:18 AM
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That's pretty BA!
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Old 06-13-2011, 06:36 AM
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Wow, good feedback from Bill with some actual data to back it up. I wouldn't expect any less from him and PHP.
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Old 06-13-2011, 06:47 AM
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Ya know.... I have been in sales for 13 years. Yet it is so easy to be sold myself! Just baught 3 bottles.
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Old 06-13-2011, 07:14 AM
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thanks for bringing this over here Dave
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Old 06-13-2011, 07:26 AM
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It's great to have real data backing it up and just not SOTP and annecdotal comments from users. Good stuff.
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Old 06-13-2011, 10:43 AM
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I had the same results using Rev-X in my truck this year. Amazed at the difference it made.
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Old 06-13-2011, 11:04 AM
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In a "healthy" truck with no issues, could one expect the same HP increases from the rev-x? And if not, are there still benefits from using rev-x, again in a truck not showing issues?
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  #10  
Old 06-13-2011, 12:47 PM
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Definitely nice to see the proof!
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