1983 300d complete overhaul - Mercedes-Benz Forum

 
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post #1 of 2 (permalink) Old 06-05-2011, 06:44 PM Thread Starter
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Date registered: Sep 2010
Vehicle: 1983 300D
Location: somewher 'n' Pennsyltucky
Posts: 11
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1983 300d complete overhaul

Purchased my 1983 300d last year for 2k from a friend, started running it on wvo shortly after to experiment with it...

things i did was put a block plate over the egr and remove a few vacuum lines. i installed a boost gauge and later removed the alda entirely. i also installed an adjustable needle valve in the wastegate line for easy adjustment of boost pressure. learned how to adjust the valves when it started running rougher. replaced the injectors with rebuilt junkyard find. replaced rack damper bolt with gold replacement from jy. replaced fuel pressure relief spring on back of ip. made a special wrench to adjust fuel pump timing...(pop's a machinist with shop! go dad). Destroyed back fuel tank strainer with screw driver instead of replacing. Ive been catching loads of garbage in the primary filters and have been going through a bunch of them and still catching loads of dirt from the tank... i reversed the send and return a few times and replaced alomst all the vacuum and fuel lines. locks, environmental control and ignition lines are all blocked off... my ignition switch died and i now kill the car with a vac pump running into the driver compartment via the old kill vacuum line, the other vac line got used for
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post #2 of 2 (permalink) Old 06-05-2011, 06:51 PM Thread Starter
BenzWorld Junior Member
 
Date registered: Sep 2010
Vehicle: 1983 300D
Location: somewher 'n' Pennsyltucky
Posts: 11
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(Thread Starter)
running to the turbo boost gauge, which is running at about 13 psi. That amount seemed to get rid as much black smoke when it gets punched. I want to rig up an adjustable fuel pressure regulator so i can change the pressure to about 30 psi for wvo and lower it when there is diesel in the mix down to 18 or so. i have been noticing still losing power after driving for a time.... im not sure if its still clogged filters or a poor adjustment on my part but it smokes quite a bit now, idles a little rough still and tends to lose power after driving 20 minutes. i've been working hard at this and learning a lot about this car... any tips would be appreciated. car does run harder than ever with all the recent tweaking, want to do a comp test for knowledges sake and maybe get a pop tester... i intend on staying with this car... favorite car ever! got a paint job on it... looks sharp
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