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#1
03-07-2007, 07:23 PM
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what is your Diesel's MPG nowadays...
I am getting from 26-28 with my 300cdt (220K miles). Anybody getting better, and what are you doing to improve.....
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85 300CD Turbo "Das Polluter" 230K sold for $3,000 98 BMW 323is 
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#2
03-07-2007, 07:41 PM
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I'm only getting 22-24. It was 26-28 until ULSD came out.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K 90 Dodge D250 5.9 Cummins/5 speed. 400K Gone and still missed...1982 w123 300D, 1991 w124 300D
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#3
03-07-2007, 08:00 PM
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Quote:
Over all pretty impressive for a 4800lb car.
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1983 300SD 296K+ 1984 300SD parts car
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#5
03-07-2007, 08:33 PM
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I was getting 26-27 but now I am getting 22-24 not sure why. I wonder if this low sulphur stuff is doing it. How would I test this? I would really love to breach 30mpg suggestions? (I have a 76 300d)
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#6
03-07-2007, 08:35 PM
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i'm getting close to 30mpg, slight drop on winter diesel!, i'll take that, cosidering its a 25 year old 2 ton car
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82' 300SD
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#7
03-07-2007, 08:40 PM
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Probably way down, since I turned my ALDA all the way up, switched to home made biodiesel
__________________
Ich liebe meine Autos! 1991 Mercedes-Benz 560SEL | Megasquirt MS3-Pro | 722.6 transmission w/ AMG paddles | Feind Motorsports Sway Bar | Stinger VIP Radar | AntiLaser Priority | PLX Wideband O2 | 150A Alternator | Cat Delete 1981 Mercedes-Benz 300SD | Blown engine, rebuilding someday... 1981 Mercedes-Benz 300SD | Rear ended, retired in garage. 2009 Yamaha AR230HO | Das Boot Excessive speeding? It ain't excessive till I redline!
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#8
03-07-2007, 08:42 PM
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just did a road trip (in 84)and was getting about 25 highway, keeping it at 30-3200 rpm.I have been using cetane boost and 2 cycle oil in the other ( 83)one to boost mpg....about 27mpg combined
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81 Mercedes 300SD 289k.......SOLD 82 Mercedes 300CD 252k......slow ride 82 mercedes 300 SD...mi Unknown 83 Mercedes 300D ????ksniff..gone too 84 Mercedes 300D 148k........SOLD 85 Mercedes 300TD 386k and holding some one elses project
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#9
03-07-2007, 08:50 PM
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Mine was at 30 for 1/2 city and 1/2 freeway driving.
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1999 E300 TD 190,000 1996 Passat TDI 225,000-sold 1996 E300 120,000-sold 1998 Jetta TDI 186,000 -sold 1983 Chev Suburban C20 6.2-sold
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#10
03-07-2007, 08:50 PM
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My mileage has dropped to around 42mpg. VW diesel Caddy 1.6NA 4spd.
20-24mpg in the 1 ton dodge cummins. Haven't driven any of the MBs diesels far enough lately to check then but I've always averaged around 27mpg from a 617 powered W126.
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#11
03-07-2007, 09:00 PM
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600 miles a week, 1/2 at 80mph, 1/2 at 20mph. Getting 31mpg on D2 and 28mpg on B99.
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.)
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#12
03-07-2007, 09:04 PM
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I've been getting about 26-27 mostly highway driving.
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CJ 1983 300D 12X,XXX
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#13
03-07-2007, 09:13 PM
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average 29 mostly highway
240d 4 speed manual Bob
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#14
03-07-2007, 09:25 PM
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Between 22-24 with my ALDA maxed out. I won't really check it again till it gets cold in the fall because I've got my two tank wvo system up and running again (burned out the fuel pump) and I blend about half bio at my house with half pump diesel. When it gets warm I'll run straight bio in the main tank but most of the time I'll run off my aux wvo tank.
In the fall, or if I go on a road trip this summer, I'm going to turn my ALDA back down a turn or two to see if I get better mileage.
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Seth 1984 300D 225K 1985 300D Donor body 1985 300D Turbo 165K. Totaled. Donor Engine. It runs!!! 1980 300SD 311K My New Baby. 1979 BMW 633csi 62K+++? Dead odo
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#15
03-07-2007, 09:57 PM
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Mix of city and highway 30. Theoretically, if I were going at 85mph with cruise control, I would get 33 mpg
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01 Ford Excursion Powerstroke 99 E300 Turbodiesel 91 Vette with 383 motor 05 Polaris Sportsman 800 EFI 06 Polaris Sportsman 500 EFI 03 SeaDoo GTX SC Red 03 SeaDoo GTX SC Yellow 04 Tailgator 21 ft Toy Hauler 11 Harley Davidson 883 SuperLow
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