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Old 07-24-2013, 03:25 PM   #1
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50,000 Mile Report on the Brazel's UltraPower Engine Mod

Just got my latest Blackstone Oil Analysis results on my 8.1L modified with Brazel's UltraPower engine performance mod. The results look really good, with no apparent wear issues with the engine.

Here's a link to the Blackstone report that shows my current results and the prior 5 tests.

My rig weighs in at just over 22K lb and I pull 3600 toad....so this engine is working hard all the time. I had 16K miles when I installed UP, and now I have 66K 7 yrs later. Early on I decided to start periodic oil analysis to make sure all the added horsepower was not causing any pinging. That would show up as traces of aluminum (piston) or iron (cylinder walls) in the oil. And bearing wear would show higher traces of copper, tin or lead. Also I wanted to test for extending mileage between oil (synthetic) changes.

I decided to do the Blackstone test in the last leg of a one month, 1400 mile vacation to Nevada, Utah and Arizona. I did this sample minutes after a 6 hr run just over 400 miles thru the 100+ hot desert, with the last 40 miles climbing 7000 ft to our campsite in the mountains. So the 10w-30 Mobile 1 oil was well stirred up with any fuel/water long gone. The silicone also measured low so the Brazel's CAI with that big S&B air filter is doing a good job. As an FYI... I have the Taylor wires and the WH vent kit. In the 1st 16k miles I had burnt spark plug wires twice, and in the last 50k miles, no burnt wires.

Another issue came up....
In the last 6 months I got the check engine light twice, with a P0327 code set, Bank 1 Knock Sensor. The engine seemed to be running perfectly normal. After talking WH service tech, I installed two ac delco knock sensors. While under the engine running I could hear exhaust leak at drivers side donut and I could feel the hot exhaust escaping and blasting right at the knock sensor only about 6 in away. I also noticed it was a bit sooty around the area of the knock sensor that was throwing the code. When I pulled the exhaust gasket, it was cracked thru with about 3/8 in chunk missing. My theory is that the sensor was sending a low or hi signal because it was getting super heated air from exhaust gas or it was just picking up loud noise . I suspect I spent $70 for two sensors, while the real problem was the donut. Anyone seen/heard of this before? I don't have any miles on the engine since I replaced sensors and gasket to confirm the check engine light is history.

Anyway, the coach is running and handling (new Michelins, Koni FSD, Safe-T-Plus) as smooth as a baby's butt and a pleasure to drive. And, you know, it hasn't cost me "an arm & leg" to keep it in top running order with just about 9.5 yrs of ownership, thanks to you guys on the iRV2 forum, and the good guys at Redlands RV and Brazel's.

Happy Trails,
Bill
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Old 07-24-2013, 08:06 PM   #2
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Have you been keeping gas records. How many MPG?
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Old 07-25-2013, 07:50 AM   #3
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Very interesting post Bill.

-Tom
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Old 07-25-2013, 08:03 AM   #4
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Great post. Had same code on knock sensor. Cleared with scanguage. Bought knock sensor just in case during trip. Pulled wire connection on old one, put connection back on, never installed new knock sensor. Drove about 1500 miles since with no codes. So I blame it on loose wire.
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Old 07-25-2013, 10:09 AM   #5
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Quote:
Originally Posted by mgscott4 View Post
Have you been keeping gas records. How many MPG?
Just got 6.96 mpg pulling toad on a 1450 mi trip thru the ups & downs of Ca, Nev, Utah, and Az. I've kept a Excel mileage log since 2007 and factor in generator hrs consumption based on a lot of hrs dry camping. I try to keep the speed 60-62 but find myself cruising at 65-68 when I have a tail wind.

My mpg jumped up 0.5 to 7.5-8.0 range when I installed the UltraPower. But then shortly after that all I was getting was ethanol fuel and that brought it back down 0.5. When I'm in the flatlands central plains I consistently get 7.5. When I'm pulling my enclosed buggy trailer (4500 lbs loaded), then I get 6 to 6.5.
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Old 07-25-2013, 10:15 AM   #6
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Quote:
Originally Posted by ka5gyo View Post
Great post. Had same code on knock sensor. Cleared with scanguage. Bought knock sensor just in case during trip. Pulled wire connection on old one, put connection back on, never installed new knock sensor. Drove about 1500 miles since with no codes. So I blame it on loose wire.
If you only got the knock sensor thrown once, may be it could have been a tank full of sub-par low octane fuel.
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2017 Lincoln MKZ Hybrid towed 4-down
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Old 07-29-2013, 01:30 PM   #7
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Thanks for the very informative post Duner. I'm assuming you are not blaming the blown gasket on the added power of the Ultra Power.

I just returned home from having Brazel's install a rear Ultra Trac bar, Koni shocks, and a laser alignment adding 6 degrees of caster. I already had Roadmaster anti-sway bars and the Safe-T-Plus but the new additions have improved the ride and handling to a new level. I'd say my workload and stress factor dealing with our lousy roads has gone down by about 90%. I'll do the Ultra Power next.
Keith
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