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#16
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More exactly, higher injection pressure leads to better atomization ( assuming the same injectors are used.). When a fuel volume is delivered over a shorter period of time, peak pressures rise . |
#17
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you should try Goran in Sweden at Dieselmeken who does complete injection pump rebuilds ... proven good product = super M pump. I recently purchased one for $1,250.
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#18
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__________________
Current fleet 2006 E320 CDI 1992 300D - 5speed manual swapped former members 1984 300D "Blues Mobile" 1978 300CD "El Toro" |
#19
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Smoke from super pumps I see in videos on Youtube would get me put in jail for causing accidents of cars following me in all of the black smoke. Maybe the super pumps is just for on track purposes spinning in circles and not intended to be driven in civilization. There is a reason Mercedes have the pumps turned down so low. The reason is that the cars would be too fast to be controlled if it had more than 150 horse power. Then a beer or two drunk in the last 5 hours would slow down reaction times that would make the Mercedes an out of control missile. Need extra good tires and excellent wheel alignments. Then extra worry about police and high insurance rates increase. That is what I am facing.
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#20
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In Europe many fast cars are produced. The challenge is to make power with a minimum of fuel. This automatically keeps smoke down. And daily driving with a superpump is another challenge when it comes to perfectly running engine.... Cheers, Tom |
#21
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I was speaking of diesel powered cars. Diesel fast is different than gas fast to me.
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Last edited by BenzDiesel; 04-19-2014 at 01:49 PM. |
#22
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Here most big diesel cars are way stronger and faster than gassers.
I.e. BMW ...750, 535, I think the M50 is one of the fastest passenger cars today and it is diesel. What you see on youtube is promotion of some people who either think it's cool or just don't know better how to avoid smoke. Finally it is the responsibility of the diesel shop/and owner of the car to adjust delivery in such a way that black smoke is even less than stock. My 603a daily driver with just superpump makes fun, uses less fuel compared to stock and smokes less than stock. This is what a small group of us is working on. All starts with detailed understanding, correct calculation and high quality parts manufactured and ends with the responsibility of the driver. Don't put all "superpumps" in one box. Tom |
#23
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X2.....
If you consider how those smoking suprepumps were modified in order to put out the quantity of fuel they do while using 7mm or 8mm elements, compared to Tomnik's approach, you would clearly see there is no comparison.. Additionally, the nozzles that are available were not designed to produce an ideal spray pattern at those delivery quantities and rate, let alone the aforementioned at high RPM operation.. The pintels are being pushed right out of the orifice, which allows large amounts of fuel to be delivered quickly, but in the same fashion as an open garden hose would. |
#24
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I need to check this forum more frequently! I'm definitely interested in some of your elements if/when they're put up for sale tomnik
__________________
1982 300D Turbodiesel, daily driver. Mods so far: Fram 8038 paper filter, 4 brake light mod, Gen II w126 (front) rotors/calipers, boost turned up to 12lbs, non-egr manifolds, water/methanol injection, 4-speed manual 1980 300SD Turbodiesel, project car, nearly ready to hit the street 1974 240D, New paint |
#25
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Wait... you can't control a 150 HP diesel? I'm not sure I understand what you are saying... that's only 25 HP more than the OM617.952 stock.
__________________
"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." |
#26
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Tell that to black smoke racing!
__________________
1982 300D Turbodiesel, daily driver. Mods so far: Fram 8038 paper filter, 4 brake light mod, Gen II w126 (front) rotors/calipers, boost turned up to 12lbs, non-egr manifolds, water/methanol injection, 4-speed manual 1980 300SD Turbodiesel, project car, nearly ready to hit the street 1974 240D, New paint |
#27
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Also, it wouldn't have more top speed, it would just get there faster. Unless the pump is improperly setup it would still be governed to "x" rpm's
__________________
1982 300D Turbodiesel, daily driver. Mods so far: Fram 8038 paper filter, 4 brake light mod, Gen II w126 (front) rotors/calipers, boost turned up to 12lbs, non-egr manifolds, water/methanol injection, 4-speed manual 1980 300SD Turbodiesel, project car, nearly ready to hit the street 1974 240D, New paint |
#28
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Haha, just realized that my Buick is 3,000 lbs with 160 HP. Insane!
__________________
"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." |
#29
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As an experiment I have done this OM617A 8 mm MW pump. Pump is in a G-wagen now, and I got this report yesterday
35" Wheel, stock pump 0-90km/h 62sek ( 0-55mph / 62sec) After swapping to 8,0mm MW 0-90km/h 18 sec Nice smoot Power, Good at low idle, 1,8 bar max boost with a slight black smoke after Automatic transmission started to slip a bit att full load. This is OM617A Standard, no other Changes than pump. On negative thing is that the Engine stall and stop after hard load, Dont know if its a fuel pressure issue or if its a damper capsule adjustment that needs to be done. As I Sayed, an experiment. Element is thick type, not thin type MW, thats why I have this adaptor plate on 3 mm. |
#30
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__________________
Current fleet 2006 E320 CDI 1992 300D - 5speed manual swapped former members 1984 300D "Blues Mobile" 1978 300CD "El Toro" |
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