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#1
06-20-2018, 10:34 AM
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is there any way to make the exhaust less stinky?
the older I get the more sensitive my nose becomes to the smell. 20 years ago, I actually kinda liked it.
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Ben 1987 190d 2.5Turbo 
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#2
06-20-2018, 10:45 AM
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Quote:
__________________
 All Diesel Fleet 1985 R107 300SLD TURBODIESEL 2005 E320 CDI (daily) LOTS of parts for sale! EGR block kit http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html 1985 CA emissions 617 owners- You Need This! Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst. Sanden Instalation Guide (post 11): http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html
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#3
06-20-2018, 10:48 AM
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The engine needs to be in excellent condition.
Valves, piston rings for good compression. All glow plugs working as this is a hot spot for the injector even when the engine running. Fresh injectors set at the proper pressure. Injector pump set to prevent over over fueling. The boost control on the injector pump working to prevent over fueling. A working EGR might help. A working particulate trap might work as this is a hot spot.
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#4
06-20-2018, 11:05 AM
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I agree w/ the others. Engine in tip-top state of tune, run some veggie or biodiesel. For mine, some cetane boost really helped as well, removed the sharp acidic burning plastic smell.
I do not agree that the scent from burning veggie oil or biodiesel will make anyone hungry. It does smell better than normal diesel exhaust for sure, but it doesn't smell "good" - just better than normal diesel exhaust. It definitely doesn't smell like french fries cooking. At least none that I'd be willing to eat.
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617 swapped Toyota Pickup, 22-24 MPG, 50k miles on swap
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#5
06-20-2018, 11:39 AM
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Buy something with an Otto-cycle engine? This is, after all, a Diesel. I kind of like the smell but either way I'm stuck with it - it's the price I pay for driving 2 trucks with a superior engine design.
Sorry - I got nothin'. Dan
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#6
06-20-2018, 12:57 PM
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Run some used engine oil through the fuel system. After that, you won't complain about the smell of regular Diesel exhaust anymore.
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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
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#7
06-20-2018, 01:29 PM
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Advance the timing, it will give a much leaner burn
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David 1996 Mercedes S124 E300TD - 129k - rolling restoration project - 1998 Mercedes W210 300TD - 118k (assimilated into above vehicle)
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#8
06-20-2018, 02:53 PM
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Also, good valve stem seals and a turbo that does not leak oil in to the intake or exhaust.
Check for exhaust leaks. An external oil leak can be a scent trigger. A leaking fuel supply is probably worse than the exhaust smell.
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#9
06-20-2018, 03:06 PM
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The diesel smell has definitely changed since the fuel formula was altered.
On another note in France about 20 years ago they actually put a "perfume" in the fuel to change the smell. I have no idea for how long or how effective that was.
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--------------------------------- 87 300SDL 87 190D 2.5NA 5sp 90 300GD with 606 turbo! 08 GL320 CDI 12 ML350 Bluetec --------------------------------- Past rides: 82 300SD - the one that started it all!  81 240D 87 300SDL - the first one. 92 300D 2.5 Turbo 99 E300 Turbodiesel 07 E320 Bluetec 12 S350 Bluetec
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#10
06-20-2018, 03:28 PM
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Along the line of scented fuel - the DSR (Detroit Street Railway, the old Detroit bus company) tried a rose oil sent in the fuel back in (IIRC) the 50's. Made the busses smell like rose-scented Diesel - not pleasant! So that experiment, at least, was a failure.
Dan
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#11
06-20-2018, 03:44 PM
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Quote:
In France they put scented oil in the tank to make the exhaust smell better. It's actually quite nice. Just got back from France in March
__________________
Strelnik Invest in America: Buy a Congressman! 1950 170SD 1951 Citroen 11BN 1953 Citroen 11BNF limo 1953 220a project 1959 180D 1960 190D 1960 Borgward Isabella TS 2dr 1983 240D daily driver 1983 380SL 1990 350SDL daily driver alt 3 x Citroen DS21M, down from 5 3 x Citroen 2CV, down from 6
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#12
06-20-2018, 04:08 PM
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__________________
617 swapped Toyota Pickup, 22-24 MPG, 50k miles on swap
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#13
06-20-2018, 05:54 PM
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I find the smell has all but disappeared since the mandate for ULSD. Maybe you fuel supplier is cheating and filling his tanks with heating oil or off road diesel. The only other thing that might cause this is burning engine oil-are you adding any between changes?
Don’t monkey with advancing timing, that’s not going to fix this and may cause other problems.
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#14
06-20-2018, 10:26 PM
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http://www.peachparts.com/shopforum/diesel-discussion/309367-warning-all-diesel-owners-random-poor-quality-fuel.html
I still get a bad tank occasionally.
__________________
617 swapped Toyota Pickup, 22-24 MPG, 50k miles on swap
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#15
06-21-2018, 08:23 AM
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Quote:
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Linear Mode
