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Old 05-17-2019, 04:09 AM   #26 (permalink)
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The 1240 is the oil Mobil makes for Detroit severe service. I didn't realize it was that pricey, Last I got was at 26.00 gallon.
OK I just looked at it again - it is fully good for 2-strokes and it's $75 for a case of 4 gallons, so it's priced well, actually!

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Old 05-17-2019, 04:59 AM   #27 (permalink)
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All this talk of straight weight oil for Detroitís is stupidity. My fleet of Detroitís get the same oil as everything else. A 15w40 of some variety. In all my years of screaming 2 strokes I have only killed one and that was due to a cam gear failure. That engine was purchased new in 1975 and it ran on a genset until the failure in 2014. My fleet consists of over 8 2 strokes.

For what the op is gonna do any oil even used shit will be fine for the Detroit.
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Old 05-17-2019, 05:27 AM   #28 (permalink)
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in . i want to see the first start .
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Old 05-17-2019, 06:50 AM   #29 (permalink)
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Old 05-17-2019, 07:06 AM   #30 (permalink)
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Old 05-17-2019, 07:21 AM   #31 (permalink)
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Get something to block the intake and it will be fine. Don't mess with fuel lines or ball valves. It will be blown up before it uses up the fuel in the line/filters/head/etc and shuts off.

If the rack and governor is free there should be no issue.

Looking forward to this thread.

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Old 05-17-2019, 07:35 AM   #32 (permalink)
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Zip Ties N Bias Plies style - spray the fuck out of it and peg it wide open! MINT!

https://youtu.be/r9K6N6jgIxk

https://youtu.be/WBOP-oKS560

Last edited by KDXSR5; 05-17-2019 at 07:53 AM.
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Old 05-17-2019, 08:04 AM   #33 (permalink)
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Zip Ties N Bias Plies style - spray the fuck out of it and peg it wide open! MINT!

https://youtu.be/r9K6N6jgIxk

https://youtu.be/WBOP-oKS560
Those guys sound like yoopers
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Old 05-17-2019, 08:06 AM   #34 (permalink)
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Those guys sound like yoopers
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Old 05-17-2019, 08:18 AM   #35 (permalink)
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This seems dumb. So I'm just as excited about it as the dozer that clattered around and screwed up that one pirate's yard in Oklahoma. Azzy, I think? Anyway, I hope you don't run over yourself as you're standing beside the thing to operate the vice grips on whatever kind of governor these things have. Good luck not getting crushed. And sorry about your pending hearing loss. Post a video!
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Old 05-17-2019, 08:48 AM   #36 (permalink)
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Zip Ties N Bias Plies style - spray the fuck out of it and peg it wide open! MINT!
Fackin cuhnt is miiiiiint, jus feed 'er the cosby in a can an the fackin whor'ill go
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Old 05-17-2019, 08:55 AM   #37 (permalink)
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Zip Ties N Bias Plies style - spray the fuck out of it and peg it wide open! MINT!

https://youtu.be/r9K6N6jgIxk

https://youtu.be/WBOP-oKS560
That's how Detroits like to be run... If you ain't flooring it, then you're running it wrong.

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Old 05-17-2019, 12:50 PM   #38 (permalink)
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Made a shitty video of me starting my 6v71 powered dozer for you guys.

https://youtu.be/5xgXcVp9G4c
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Old 05-17-2019, 01:19 PM   #39 (permalink)
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Made a shitty video of me starting my 6v71 powered dozer for you guys.

https://youtu.be/5xgXcVp9G4c
I love not being able to have hearing after running two stroke junk.
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Old 05-17-2019, 01:38 PM   #40 (permalink)
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I love not being able to have hearing after running two stroke junk.
Hence step one and two earplugs and muffs haha
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Old 05-17-2019, 03:19 PM   #41 (permalink)
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HaHa. No one understands when I tell them my hearing loss is from driving a forklift. It was 1974 135 Clark with a 3-71. Between the Forks banging and the exhaust note... That thing would always rev, but shortly after the engine was rebuilt, it needed a trans rebuild
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Old 05-18-2019, 03:39 AM   #42 (permalink)
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All this talk of straight weight oil for Detroitís is stupidity. My fleet of Detroitís get the same oil as everything else. A 15w40 of some variety. In all my years of screaming 2 strokes I have only killed one and that was due to a cam gear failure. That engine was purchased new in 1975 and it ran on a genset until the failure in 2014. My fleet consists of over 8 2 strokes.

For what the op is gonna do any oil even used shit will be fine for the Detroit.

I get that point. My dad has a pile of old stuff he just dumps 15-40 in and goes for it with no issues , they all leak enough to have fresh oil all the time ...I've got a very nice 8V-92TA in my RV that is nice tight and leak free. I run the stuff that Detroit recommends.
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Old 05-18-2019, 05:39 AM   #43 (permalink)
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I love not being able to have hearing after running two stroke junk.
When I was a GSE tech we had a bottle truck to spin the air starters on airplanes with a Detroit on it. You could hear it over an airplane. I liked to start it up and let it scream when the bosses were around. They thought it was running away so they also ran away.
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Old 05-18-2019, 08:10 PM   #44 (permalink)
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According to the Detroit instructor, Engines over speed, Mechanics run away.
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Old 05-18-2019, 08:32 PM   #45 (permalink)
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I've got a very nice 8V-92TA in my RV that is nice tight and leak free.
Sure it's got oil in it?









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Old 05-18-2019, 09:16 PM   #46 (permalink)
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Sure it's got oil in it?
Yeah all those 50 year old neglected engines leaked. If they are taken care of they don't leak any worse than any others. The 35 year old one I have seeps here and there. They needed to drain their air boxes and usually they were just open drains to drip underneath while idling. When under way they would close up and no drips. That's it, and in some applications they even put collection things on those drains so no drips. Driptroit, road oilers, and so on. Hang the picture of a DD on the wall and the wall will turn black with oil.
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Old 05-20-2019, 09:52 AM   #47 (permalink)
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Try and kill it. Not as easy as you would think. The crazy starts at 14:10.

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Old 05-21-2019, 05:09 PM   #48 (permalink)
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firing up old DD

The Detroit Engines are all the same but they just get there via different routes than the Cummins and CAT do. Make sure everything is lose and functioning in the fuel air delivery area I would dump a bit of oil into each cylinder before you start turning the engine over. Get that all done and as was stated earlier this engine will run! Once it starts and your sure its going to behave as it should I would get rid of the oil that is in the crank case and replace it with a DD compatible oil, I use DELO 100 40 weight in my DD engines. When you start moving from the engine to the loader be prepared to replace a few hydraulic lines on the loader and bucket if its been sitting outside for a long period of time. It looks like a very nice project and you will like the DD very much once you get used to it. Oh I was also going to say the board over the intake is good to kill the engine, dont use a rag I have seen them sucked out of a guys hand so fast it looked like a magic trick. The CO2 I dont know anything about that except if its a dry powder type material this is going to seriously suck cleaning and its also going to mean you taking your supercharger off and go through that, LAST RESORT ONLY!!!!
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Old 05-21-2019, 06:13 PM   #49 (permalink)
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The Detroit Engines are all the same but they just get there via different routes than the Cummins and CAT do. Make sure everything is lose and functioning in the fuel air delivery area I would dump a bit of oil into each cylinder before you start turning the engine over. Get that all done and as was stated earlier this engine will run! Once it starts and your sure its going to behave as it should I would get rid of the oil that is in the crank case and replace it with a DD compatible oil, I use DELO 100 40 weight in my DD engines. When you start moving from the engine to the loader be prepared to replace a few hydraulic lines on the loader and bucket if its been sitting outside for a long period of time. It looks like a very nice project and you will like the DD very much once you get used to it. Oh I was also going to say the board over the intake is good to kill the engine, dont use a rag I have seen them sucked out of a guys hand so fast it looked like a magic trick. The CO2 I dont know anything about that except if its a dry powder type material this is going to seriously suck cleaning and its also going to mean you taking your supercharger off and go through that, LAST RESORT ONLY!!!!
All seems like good info.....

But you seriously don't know what co2 is?
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Old 05-21-2019, 06:20 PM   #50 (permalink)
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Made a shitty video of me starting my 6v71 powered dozer for you guys.

https://youtu.be/5xgXcVp9G4c
Glad you are out in a field...There is nothing more annoying that GMC powered earth movers..
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