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#1
08-09-2009, 07:30 AM
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M115 engine vacuum lines
I have a 1974 230.4 M115/W115 with the Stromberg 175 CD carb. It runs very roughly and very rich even after rebuilding the carb. It had been messed with prior to my ownership, and I believe the vacuum lines may have been switched around.
I have the CD manual only, and only see a reference to how the lines hook up at the carb end. Does anyone have a chart showing where the other ends are supposed to go? I'm not even sure that the vacuum line to the distributor is correctly attached. Thanks in advance, John 
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#2
08-09-2009, 07:33 PM
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The section on emission control should have diagrams. I had a print copy of the M115 engine manual that had the diagrams (sorry, don't have it anymore). Unless for some reason it was left out of the CD service manual, it should be in the engine manual section on the CD. My previous 230/4 seemed to be a bit rich despite anything I did, but since I was able to adjust the mixture to either side of ideal, I just left it at the best setting. That car only got 19MPG, which seems a bit low for a four banger.
If you find the information on your CD, also pay attention to how the emission control system operates, and test it out.
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Erich Loepke 2010 Ford Focus Currently Benz-less
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#3
08-10-2009, 09:44 AM
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Been there done that, traced and researched the system on the 114/5 - 175 stromberge before FINNALY getting it right - PM me and I will send you some diagrams
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Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD  16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace
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#4
09-17-2012, 04:04 PM
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Correct Vacuum line for my Advance/Retard?
Quote:
Same question for my 69 w115 with stromberg - Which of the 3 brass nipples coming out of the top of the carb where it mates to the intake go to the Vacuum on the carb?? You are also linked to my other thread on timing - hope you can help. Side not on the carb - would like more info on the cold start sometime. Chris
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1969 Model 220 gasoline Chassis: W115.010
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#5
09-18-2012, 10:32 AM
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SU Carbs Tuning
this may help, do you have the "heart of Darkness" Stromberge repair article? PM me your email and I can send to you if you dont have it
__________________
Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD 16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace
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