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#1
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Looking for large rubber plugs that I can block the thermostat on an OM617 with
Looking at the coolant diagrams for the OM617, I see that coolant does not flow into the radiator until the engine hits ~82 C. Since I would really like to run the engine I pulled from long-gone '84 300D, I'm wondering if anyone can give me any ideas on where I could find large rubber plugs to plug the openings on the thermostat housing that go to and from the radiator. I would just loop it on itself, but the silly thing uses two differently-sized hoses...
On a slightly related note, would putting some Kroil into each cylinder be a good idea if the engine has been sitting for 2-3+ years since it last ran? If so, how much Kroil should I use per cylinder?
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"Senior Luna, your sense of humor is still loco... but we love it, anyway." -rickymay ____ "Your sense of humor is still loco... " -MBeige ____ "Señor Luna, your sense of humor is quite järjetön" -Delibes 1982 300SD -- 211k, Texas car, tranny issues ____ 1979 240D 4-speed 234k -- turbo and tuned IP, third world taxi hot rod 2 Samuel 12:13: "David said to Nathan, “I have sinned against the Lord.” And Nathan said to David, “The Lord also has put away your sin; you shall not die." |
#2
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Further research shows that my solution may well be at the local Sears Hardware... right where I need to go anyway. I'll report back with my findings.
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"Senior Luna, your sense of humor is still loco... but we love it, anyway." -rickymay ____ "Your sense of humor is still loco... " -MBeige ____ "Señor Luna, your sense of humor is quite järjetön" -Delibes 1982 300SD -- 211k, Texas car, tranny issues ____ 1979 240D 4-speed 234k -- turbo and tuned IP, third world taxi hot rod 2 Samuel 12:13: "David said to Nathan, “I have sinned against the Lord.” And Nathan said to David, “The Lord also has put away your sin; you shall not die." |
#3
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Widgetco dot com
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Current fleet 2006 E320 CDI 1992 300D - 5speed manual swapped former members 1984 300D "Blues Mobile" 1978 300CD "El Toro" |
#4
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They have what are called Test Plugs for plumbing. They have a T handle or a Bolt Head and you turning the Handle squeezes a thick rubber ring between to Steel Washers (they have plastic ones but due to heat better off with Steel) and that expands the Rubber.
Local Hardware stores have them.
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84 300D, 82 Volvo 244Gl Diesel |
#5
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PhillyTwoTank -- Wow. That looks like the mother lode. I'll order from there if I can't find something locally.
Diesel911 -- Thanks for the tip! I'll see if I can get some.. those would certainly be a more desirable solution, as I wouldn't have to find some way to secure them to make sure they don't pop out. I'll post pictures when I get this set up.
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"Senior Luna, your sense of humor is still loco... but we love it, anyway." -rickymay ____ "Your sense of humor is still loco... " -MBeige ____ "Señor Luna, your sense of humor is quite järjetön" -Delibes 1982 300SD -- 211k, Texas car, tranny issues ____ 1979 240D 4-speed 234k -- turbo and tuned IP, third world taxi hot rod 2 Samuel 12:13: "David said to Nathan, “I have sinned against the Lord.” And Nathan said to David, “The Lord also has put away your sin; you shall not die." |
#6
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Yuup. I ordered a whole range of rubber stopper sizes from there a few years ago. Has definitely come in handy on numerous occasions.
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Current fleet 2006 E320 CDI 1992 300D - 5speed manual swapped former members 1984 300D "Blues Mobile" 1978 300CD "El Toro" |
#7
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how long do you intend to run the engine? just to see if it starts and runs, you don't really need a cooling system just for a test fire.
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This post brought to you by Carl's Jr. |
#8
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No need for coolant if you are only running the engine for less than a minute. Any more than that, you can pull the thermostat, leave the gasket in there and just let a garden hose run some water through it.
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1991 F250 super-cab 7.3 IDI. (rebuilt by me) Banks Sidewinder turbo, hydroboost brakes, new IP and injectors. 2003 S430 - 107K 1983 300SD - Tanoshii - mostly restored ~400K+. 1983 300SD - Good interior. Engine finally tamed ~250K. Monark Nozzle Install Video - http://tinyurl.com/ptd2tge |
#9
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People usually suggest MMO in the cylinders. You can put any amount in as long as you crank the engine over a few times with the injectors out before you run it. Don't fill the cylinder but a few table spoons should be OK.
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1991 F250 super-cab 7.3 IDI. (rebuilt by me) Banks Sidewinder turbo, hydroboost brakes, new IP and injectors. 2003 S430 - 107K 1983 300SD - Tanoshii - mostly restored ~400K+. 1983 300SD - Good interior. Engine finally tamed ~250K. Monark Nozzle Install Video - http://tinyurl.com/ptd2tge |
#10
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Better yet, plug the lower port (inlet) and fill the engine with water. Engine can be run until water starts to boil (which will be a while).
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#11
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I used 1/4 cup into each cylinder on the Volvo. And, it cured the wispy gary smoke I had been having all of the time.
I did a image google search for a pic of the test plugs and they also showed a rubber pipe Cap with a Clamp. That made me thing of other things I have seen. I have seen People use the Stock Radiator hoses and cut a piece of cylindrical Wood and stuff that into the Radiator Hose and clamp it. Liquid eventuall seeps through the Wood but it is good enough for a temp testing. The small Pipe End Test Plugs usually just have a Wing Nut to expand them.
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84 300D, 82 Volvo 244Gl Diesel |
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