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#1
01-13-2010, 07:40 PM
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You've come a long way baby - General 300SD running questions
After a month plus of daily commuting and a long trip for Christmas, I'm satisfied that the engine of my car is solid and that the recently swapped transmission will stand the test of time.
I've performed a valve adjustment which worked wonders for the way the car runs and idles. The car achieved approximately 27mpg with highway cruising at about 3k RPM. The valve adjustment cured smokey idling and the overall noxious fumes that existed around the car. I'm still curious about smoky accelerations. Not horribly smokey, but a notable pigpen trail as I pull from lights with a heavy acceleration. I do have some blowby as evidenced by removal of the oil filler cap. I also see that smoke does carry into the air cleaner as well, but oil consumption is nearly nil even after 1500 miles of mixed city and highway driving. While I've not run a compression test, the car starts without the aid of the glow plugs to nearly single digits. I have a replacement relay on the way and have readied the system by testing wiring and replacing original glow plugs with new Bosch plugs. So, here are the questions: Smoke out of the tailpipe? A concern? Remedies? Aside from valve adjustments, anything under the hood that should be checked or adjusted to address acceleration smoking?
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This area is typically used to brag about one's current or former automobiles. 
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#2
01-13-2010, 08:34 PM
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Heavy acceleration typically produces black smoke which is unburned fuel. It is increased by a dirty air filter.
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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#3
01-13-2010, 09:20 PM
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Yes. Thanks. Also I noticed that once the car was up to temp aprox 80c smoke was less noticable. The air filter is nearly new, perhaps 2000 miles or so.
Unrelated: Installed new glow plug relay when I got home from work. Waiting for the car to completely cool down tonight to experience proper starting.
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This area is typically used to brag about one's current or former automobiles.
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#4
01-13-2010, 09:26 PM
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Has your ALDA been adjusted?
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83 SD 84 CD
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#5
01-13-2010, 10:48 PM
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Quote:
Ah, I believe it has, but not by me. I assume that there is supposed to be a cap on the ALDA screw? Thanks for the thought. I will scan threads for ALDA adjustment.
__________________
This area is typically used to brag about one's current or former automobiles.
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#6
01-14-2010, 12:59 PM
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Seems maybe, try turning it clockwise a bit to reduce the amount of fuel being delivered.
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83 SD 84 CD
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