99 & up 7.3L Power Stroke Engine and DrivetrainDiscussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
What's your opinion on Bill Hewitt's Injector tune-up procedure?
I just watched Bill Hewitt's injector tune-up videos, and he recommends changing the top end oil in the HPOP resovoir every 5000 miles. I used to change my engine oil every 3000 miles religiously until about 6 months ago, when I reluctantly decided to stretch it to 4000 mile intervals. Anyway, I was under the assumption that changing the engine oil regularly would be sufficient for keeping the HPOP oil clean too. Bill says that the flow of engine oil through the HPOP system isn't substantial enough to keep the top end oil clean, and recommends evacuating 3 quarts from the HPOP system and replacing it with fresh oil in order to keep the injectors functioning at peak performance, and for longevity. Does anybody here do this? It doesn't look that hard to do, but is it a waste of time if I keep up with regular oil changes? What are your opinions on this procedure?
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2000 F350 Lariat 4x4 7.3 A/T 3.73 CC LB 245,000 miles. BD X-moniter, 4" turbo back Exhaust, K&N cold air Intake, Shifty Performance Waste gate control box, BTS Tranny with 6.0 cooler. Bilstein 4600 Shocks, Schaeffer's Alltrans Supreme ATF in Tranny and Transfer Case, and Amsoil synthetic in Diffs.
IMO, it's not necessary to change the HPOP reservoir oil. Won't hurt, but it won't really do you that much good.
If you've been using 3000 mile OCI's then your oil is fresher than most guys, including me, who use a 5000 mile OCI.
I did this on my last oil change, but it was the first one on a used engine that I put in after mine died (cracked block). I just wanted to start a bit fresher since the engine had been sitting around for a while at the yard. It was a shorter interval as well, to get me back on my 5000 mi interval by the odometer.
I did this procedure (minus the prolong) on my 99 with 210,000 and the oil that came out of there was NASTY.
I've changed the oil on mine every 5000. The oil that came out of the top was much darker and thinner than any other oil that has ever come out of my engine.
It doesn't take long and certainly doesn't hurt. I've noticed it runs smoother than it used to on cold mornings.
A waste of time IMHO, I change my oil every 5,000 miles. What I did ounce was I pulled the plug off the HPOP and check how dirty the oil was, then changed the oil, ran the engine for a few minutes then rechecked, the oil in my HPOP started looking cleaner without me sucking any of it out and replacing as Bill suggested.
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2000 SD CC 7.3L(stock) w/ 4" Dynomax exhuast system, Jasper HD tranny.
Diesel Manor ISSPRO EGT/Tranny Gauge kit
I did this procedure (minus the prolong) on my 99 with 210,000 and the oil that came out of there was NASTY.
I've changed the oil on mine every 5000. The oil that came out of the top was much darker and thinner than any other oil that has ever come out of my engine.
How many miles were on your engine oil when you did the procedure? The oil that came out of the HPOP in Bill's video looked NASTY too, but I didn't notice any mention of how many miles were on the engine oil, or it's condition at the time. Hopefully it didn't look that bad.
As far as snake oils go, I've never tried Prolong, but I've had good results Energy Release, and Lucas (not mixed together) for other applications in the past. I'm just not sure if either one would be beneficial for my HPOP or not.
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Originally Posted by hansel
A waste of time IMHO, I change my oil every 5,000 miles. What I did ounce was I pulled the plug off the HPOP and check how dirty the oil was, then changed the oil, ran the engine for a few minutes then rechecked, the oil in my HPOP started looking cleaner without me sucking any of it out and replacing as Bill suggested.
I just changed my engine oil about 1000 miles ago. (Schaeffer's Supreme 7000 10W-30) It still looks pretty light colored on the dipstick. I was thinking of maybe checking the condition of my HPOP oil now, in comparison, and maybe again after just 100 miles on my next oil change to see just how long it does take for the engine oil to cycle through, and how thoroughly. Maybe sediment gets trapped in the bottom of the HPOP resovoir due low volume of flow.
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2000 F350 Lariat 4x4 7.3 A/T 3.73 CC LB 245,000 miles. BD X-moniter, 4" turbo back Exhaust, K&N cold air Intake, Shifty Performance Waste gate control box, BTS Tranny with 6.0 cooler. Bilstein 4600 Shocks, Schaeffer's Alltrans Supreme ATF in Tranny and Transfer Case, and Amsoil synthetic in Diffs.
Bill is either trying to sell something or he doesn't understand that for every 20 gallons of fuel that is burned 140 gallons of oil is circulated thru the HPOP reservoir.
The reservoir only holds about a pint. So that means if the cruise is set at 75 mph and you are burning 4 gallons of fuel per hour, the HPOP oil is being changed every 16 seconds.
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2000 F250 Lariat CC SB 4x4 PSD Auto
I drained the oil out of the HPOP when I changed my IPR so I wouldn't have oil in the valley. I don't see the big deal. Reall,y how hard is it not to get dirt in there? When you change the trans fluid you drain the torque converter. How much is in there? Does that amount make a difference?
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2003 E350 SUper Duty 15pass Van 7.3
1997 E450 Super Duty Shuttle Bus
When you change the trans fluid you drain the torque converter. How much is in there? Does that amount make a difference?
I believe it does. In fact, I'm a firm believer in having my trans. flushed to push new fluid through the entire system, cooler and all, every time I have it serviced. I feel a whole lot better about having 100% fresh, clean, new fluid. However, that's a little different scenario. The percentage of fluid left in the converter, cooler, lines, valve body, and pump versus what's in the trans. pan is a lot higher than the ratio of a pint or so in the HPOP versus 15 quarts of engine oil. Also 30,000 mile intervals on Trans fluid changes is a lot different from 4,000 or 5,000 mile oil change intervals, so, I'm not sure that's a fair comparison.
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2000 F350 Lariat 4x4 7.3 A/T 3.73 CC LB 245,000 miles. BD X-moniter, 4" turbo back Exhaust, K&N cold air Intake, Shifty Performance Waste gate control box, BTS Tranny with 6.0 cooler. Bilstein 4600 Shocks, Schaeffer's Alltrans Supreme ATF in Tranny and Transfer Case, and Amsoil synthetic in Diffs.
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F350 Lariat 4x4 7.3 A/T 3.73 CC LB 245,000 miles. BD X-moniter, 4" turbo back Exhaust, K&N cold air Intake, Shifty Performance Waste gate control box, BTS Tranny with 6.0 cooler. Bilstein 4600 Shocks, Schaeffer's Alltrans Supreme ATF in Tranny and Transfer Case, and Amsoil synthetic in Diffs.
), AIS, 
I've never tried Prolong, but I've had good results Energy Release, and Lucas (not mixed together) for other applications in the past. I'm just not sure if either one would be beneficial for my HPOP or not. 
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