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Post Overhaul Oil Analysis
Bypass filter is on there and has been since before the overhaul. Nothing wrong with this oil so it's staying in for at least 2K longer... unless the PC (particle count) shows something alarming the UOA didn't. I was amazed at how clean this oil was under the circumstances... but that's bypass...- PwrSmoke
- Post #4
- Forum: 6.9L IH & 7.3L IDI Diesels
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Post Overhaul Oil Analysis
Wanted to see how the oil was faring in my 6.9L diesel 2K after an overhaul. It was mostly upper end work, but I replace the rings, pistons (still std. bore) and bearings because I got them for free ( : < ). I am running a bypass system with a 10 um element (I have previously stated 5 um but...- PwrSmoke
- Thread
- Replies: 3
- Forum: 6.9L IH & 7.3L IDI Diesels
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IDI Oil TEMP Sensor??
I third the suggestion that the oil sump is the best place to test engine oil temps. I SO regret not wending in a bung when I had the engine apart recently. Oil flow is OK, I suppose, but it will read higher and most data you will find out there on "normal" oil temps is based on sump temps. You...- PwrSmoke
- Post #12
- Forum: 6.9L IH & 7.3L IDI Diesels
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correct tranny fluid?
The benefits to more oil are extended drain intervals, cooler running from the fins and cooler running generally due to a little more dwell time for the oil in the pan. The point about getting up to temp is well made but it's not much of an issue. I have one on my F150 and it knocked off about...- PwrSmoke
- Post #13
- Forum: 6.9L IH & 7.3L IDI Diesels
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"Safe" boost?
There is a reason the aftermarket kit makers set their kits up to run at around 10 PSI. Those reasons were outlined above...intake heat and blown head gaskets. The head studs address the head gasket issue but more insanely hot air is not much better than less cooler air from a performance or...- PwrSmoke
- Post #6
- Forum: 6.9L IH & 7.3L IDI Diesels
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Motorcraft Thermostat Differences
"Kung-fu clones!" I love it.- PwrSmoke
- Post #35
- Forum: 6.9L IH & 7.3L IDI Diesels
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Motorcraft Thermostat Differences
Why do some sources list E5TZ8575B and RT1048 and some sources list E5TZ8575C and RT1049? Why do all the pics show the Robertshaw type body without the lower valve?- PwrSmoke
- Post #33
- Forum: 6.9L IH & 7.3L IDI Diesels
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Motorcraft Thermostat Differences
OK, so what pic shows the type of t-stat that should be in our trucks? I've had a Robertshaw in mine since about '95 and definitely had no trouble.... hot or cold. Heck, I towed at 18.5 GCWR with it. I had a second one bought as a spare and installed that just recently. Anyway, this is all...- PwrSmoke
- Post #30
- Forum: 6.9L IH & 7.3L IDI Diesels
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Motorcraft Thermostat Differences
Yep, my original looked like the one IDI Econoline posted on the left. I also have a USA made Robertshaw high flow that has been flawless so far. This is the second one. I bought two years ago and put the second one in last year when I overhauled the engine. Didn't know there was a cheap China...- PwrSmoke
- Post #27
- Forum: 6.9L IH & 7.3L IDI Diesels
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Moose Product news
Mel, welcome to the ranks of the self employed... that is to say the people who don't do things on our own.- PwrSmoke
- Post #35
- Forum: 6.9L IH & 7.3L IDI Diesels
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Vintage Banks
Good for you! I still have mine as well from when I installed it in '87. Really primitive compared with the install instructions I got for a late '90s Sidewinder kit for my old 6.2L Blazer.- PwrSmoke
- Post #3
- Forum: 6.9L IH & 7.3L IDI Diesels
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Please ID This Truck From Rally
I need to ID the owner of this truck... real name not site handle... and year of this truck, please, from the summer Rally. Also, this one has the "Turbo Diesel" badge under the F250 badge on the fenders and that appears to be normal for a IDIT, but I have read that the NA OBS diesels DID NOT...- PwrSmoke
- Thread
- Replies: 10
- Forum: 6.9L IH & 7.3L IDI Diesels
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Vintage Banks
Thought you might like to see some vintage Banks material, the top one from '86 (the first gen unit) and the others from 1990 (second gen with the revised airbox). Both are pre-Sidewinder and were non-wastegated turbos. PS- That applies to the Ford. The GM unit started as a Sidewinder and likely...- PwrSmoke
- Thread
- Replies: 3
- Forum: 6.9L IH & 7.3L IDI Diesels
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how hot do gears get while breaking in?
Heat tapers off fast during break-in, with the first 100 miles or so being the worst. At 1000-1500 miles, best to do a break-in oil change. About 70 percent of the wear metals an axle will generate in the first 70K miles will happen at under 2500 miles. Since there is no filter, it just goes...- PwrSmoke
- Post #7
- Forum: 6.9L IH & 7.3L IDI Diesels
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how hot do gears get while breaking in?
They get very hot when breaking in. This is why gear manufacturers recommend no towing and only short hops at high speed until they break in. Short hops, getting the gears hot, then a cooling period brings about a process called work hardening. If you get it too hot, it tends to anneal the...- PwrSmoke
- Post #3
- Forum: 6.9L IH & 7.3L IDI Diesels
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mpg keeps getting worse after fuel efficiency mods??HELP!!
OUCH! That stings! Your truck will be better for it... not your wallet though.- PwrSmoke
- Post #24
- Forum: 6.9L IH & 7.3L IDI Diesels
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Prototype 6.9L- Blast From the Past
Looking for bone stock, Eason. Plus NC is a little too far to travel for a two-page story. But thanks!- PwrSmoke
- Post #27
- Forum: 6.9L IH & 7.3L IDI Diesels
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Prototype 6.9L- Blast From the Past
Not Four Wheeler, Diesel World. Separate from the Rally Story (which is long done but I don't know for sure which issue it will be in yet), it will be a history story on the '83-94 IDI Ford diesels. Speaking of Four Wheeler, if you check Four Wheeler you'll see that do a monthly column there...- PwrSmoke
- Post #23
- Forum: 6.9L IH & 7.3L IDI Diesels
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Prototype 6.9L- Blast From the Past
All you young punks trying to make the old guys feel older? Thanks! I coulda bought one in '83. Waited until '87 (slightly used '86). I worked a a Ford dealer at the time. Well, I got to see them new on the lots, so neener, neener! (Cough, cough, wheeze, groan, moan, creak!)- PwrSmoke
- Post #16
- Forum: 6.9L IH & 7.3L IDI Diesels
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Injectors are out got pics! One looks ugly!
Well, junk, I think you are going to see some meaningful improvements in the way your truck runs and drives. Let's hope that also includes a significant reduction in oil consumption.- PwrSmoke
- Post #16
- Forum: 6.9L IH & 7.3L IDI Diesels
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Prototype 6.9L- Blast From the Past
Been researching the origins and history of the 6.9L and ran across something you might like to see. It's an image of an early IH IDI V8 diesel on a dyno and it appeared in a March, 1982 an industry news story in Four Wheeler magazine that talked about the upcoming diesel war between Ford and...- PwrSmoke
- Thread
- Replies: 31
- Forum: 6.9L IH & 7.3L IDI Diesels
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mpg keeps getting worse after fuel efficiency mods??HELP!!
Some good advice given so far. I was amazed at how much better my truck ran after a proper timing job. Actually, it was set to near the correct stock spec but when Mel set it to 9.5 (about 2.5 advanced of what it was, IIRC), I could feel a difference. It smokes more at the same fuel setting and...- PwrSmoke
- Post #20
- Forum: 6.9L IH & 7.3L IDI Diesels
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compression question???
DI engines do better on lower compression ratios than IDI engines do generally. No firsthand experience with the Fords but I know the GM 6.2s (which have the same type Ricardo V combustion chamber) start like crap at 19:1 or lower in cold weather. I have a tractor with a DI diesel that is at...- PwrSmoke
- Post #7
- Forum: 6.9L IH & 7.3L IDI Diesels
