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TDI Fuel Economy Discussions about increasing the fuel economy of your TDI engine. Non TDI related postings will be moved or removed.

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Old September 8th, 2008, 20:43   #1
97pssat04golfTDIs
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Location: Rockville, Maryland USA
Default September 2008 Mileage Thread

And the Winners Are!
Tasdrouille best manual Jetta/Vento ranking 1
(O\=o=/O) best auto Jetta ranking 28
don4sail best manual Golf ranking 4
97pssat04golfTDIs best auto Golf ranking 33
Waldek Walrus best manual NB ranking 23
scooperhsd best auto NB ranking 35
MikeMars best B4 Passat ranking 7
Lug_Nut best B5.5 Passat ranking 36
ScooterJim best new 2009 Jetta ranking 32

Also Bleached Bora gets a special award for posting fills on more vehicles than anyone else in one month since he is using rentals across the pond in Europe, the lucky sucker.

The updated chart is below sorry I could not get clear image to load on this page so I left it as a link to the PDF so people could resize it to there monitor as needed. I hope this was OK with everyone, imput and or suggestions are welcome.
This was my first time trying this and there is more work to it than one may imagine, but it's not that hard.

Take care,

Drew aka "97pssat04golfTDIs"




September
2008 Mileage Thread This is a month by month competition. Every time you make an entry it will be added up and recorded together according to the fuel type and car/year you are driving.
THIS IS NOT an individual tank competition (or a partial tank competition for that matter).

Entries will be accepted until October 5, but remember, report tanks FILLED IN September.

Entry Format:
--------------------------------------------------------------------
Driver:
Miles:
Gallons:
Model Year:
Model:
Tranny:
Fuel Type:

You are allowed to put more than one fill up in a post, so long as each fill up conforms to format.

MPG: (optional since I will calculate it automatically anyway)
(anything else you would like to add)
--------------------------------------------------------------------
Hint on entering your data - after the colon ( ":") put a space.

US GALLONS AND MILES

TRANNY TYPES:
(x) A = x speed automatic
(x) M = x speed manual *
DSG = direct-shift gearbox
CVT = continuously variable transmission
* if you have swapped in a taller 5th gear please noted this (ie: 5M w/.681)

FUEL TYPES:
Bx = biodiesel - x is the percentage of bio
Biodiesel use equal to, or more than B20, will be indicated in GREEN.
ULSD / LSD / D2 = normal petroleum based diesel
Also please note if it's winterized

- please note if you are using a fuel additive (ie: ULSD +PS)
- - Power Service (PS); Stanadyne (ST); Redline (RL)

Posts not in format will not be tallied / corrected.

Please do not go back and add additional fillups to a post. Multiple fillups per post is fine as long as all fillups are in format. If the driver name is not the same as your post name - this will be considered "Not in format" and will not be counted. Only exceptions would be "and spouse" etc.

http://pics.tdiclub.com/data/500/TDI...pd_10-6-08.pdf
__________________
2004 Golf GLS 5 speed triptronic auto, RC 2, 17/22 turbo more mine 112,000+
2004 Passat Wagon GLS wife's car, only 38,000 miles, Sold on trade in.
1997 Passat GLS TDI traded in for the Golf


Last edited by 97pssat04golfTDIs; October 7th, 2008 at 11:57.
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Old September 9th, 2008, 10:48   #2
scooperhsd
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Join Date: Aug 2003
Location: Youngsville, NC
Fuel Economy: 39/36/33
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Sept 6

Driver: scooperhsd
Miles: 235.5
Gallons: 6.786
Model Year: 2000
Model: NB
Tranny: 4A
Fuel Type: ULSD

tank mpg 34.70 MPG
Fillup just prior to Hanna coming through
__________________
2000 Red NB TDI, ex - 4 speed Automatic, 300,000+ miles
Now 5 speed manual and onto 500,000 miles + !
PP502 Nozzles, 11mm fuel pump - Want Smoke ?
Rocketchip stage 2
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Old September 9th, 2008, 10:53   #3
DK
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Join Date: May 2002
Location: Massachusetts
Fuel Economy: 57/55/49
Talking

driver: DK
miles: 762.6
gallons: 14.420
year: 2002
model: Golf GLS
tranny: 5m
fuel: ulsd +2 cycle

mpg: 52.884
c.p.m. at $4.399/ gal: $0.083

Last edited by DK; September 12th, 2008 at 06:57.
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Old September 9th, 2008, 11:38   #4
Schwabe
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Join Date: Jun 2008
Location: Grasonville, MD
Fuel Economy: 50.2
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2008-09-03
Driver: Schwabe
Miles: 803.9
Gallons: 14.9
Model Year: 2006
Model: Jetta TDI
Tranny: 5M
Fuel Type: ULSD





2008-09-24
Driver: Schwabe
Miles: 779.3
Gallons: 15.05
Model Year: 2006
Model: Jetta TDI
Tranny: 5M
Fuel Type: ULSD
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Last edited by Schwabe; September 24th, 2008 at 15:03.
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Old September 9th, 2008, 11:59   #5
rivercanoe
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Join Date: Aug 2006
Location: Fort Worth, Texas
Fuel Economy: 42 mpg..46 mpg (best)
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2008-09-08
Driver: rivercanoe
Miles: 565
Gallons: 13.5
Model Year: 2006
Model: Jetta TDI
Tranny: 5M
Fuel Type: ULSD
__________________
01' Golf GLS 5spd TDI
Blue, 126K, upgrades are in the works

Sold 06' Graphite Blue, PKG 0, 5spd, Alligator tuning by Kerma ,
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Old September 9th, 2008, 18:11   #6
Lug_Nut
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Join Date: Jun 1998
Location: Sterling, Massachusetts. USA
Fuel Economy: Which VW diesel? There have been Twelve of them. Now 13!
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Driver: BonJonBart (Mrs. Lug_Nut)
Miles: 526.6
Gallons: 10.8
Model Year: 1997
Model: B4V
Tranny: 5M
Fuel Type: B100

Driver: Lug_Nut
Miles: 939.6
Gallons: 23.409
Model Year: 2005
Model: B5.5V
Tranny: 5A
Fuel Type: B94

Hers wasn't all that low, but it was there at the bio pump (.1 gal resolution), so I filled it.
Mine was filled (nearly so) from jugs at home and then vent filled at the local D2 pump (.001 gal resolution)
__________________
If the quantity of carbonic acid increases in geometric progression,
the augmentation of the temperature will increase nearly in arithmetic progression.

Svante Arrhenius 1896

Cogito ergo soy (I think, therefore: Biodiesel)
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Old September 9th, 2008, 18:50   #7
97pssat04golfTDIs
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9-4-08
Driver: DB (Ms97pssat04golfTDIs)
Miles: 503.6
Gallons: 16.102
Model Year: 2004
Model: Passat Wagon GLS
Tranny: 5A
Fuel Type: ULSD +ST

MPG: 31.275

The short trips always ruin the overall. this one actually had some highway miles on it maybe 150 at 75 or higher most of the time.
__________________
2004 Golf GLS 5 speed triptronic auto, RC 2, 17/22 turbo more mine 112,000+
2004 Passat Wagon GLS wife's car, only 38,000 miles, Sold on trade in.
1997 Passat GLS TDI traded in for the Golf


Last edited by 97pssat04golfTDIs; September 9th, 2008 at 18:52.
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Old September 10th, 2008, 06:34   #8
MikeMars
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My first tank of September (on the 3rd, before this thread appeared):

Driver: MikeMars
Miles: 1008.5 miles
Gallons: 15.768 (59.69 litres = 13.130 imp gallons)
Model Year: 2000 (early)
Model: Passat 1.9TDi 115hp PD
Tranny: 5M
Fuel Type: ULSD

Manually calculated usMPG: 63.9. Fuel was extremely foamy, the pump initially clicked off at 46 litres! (add more silicone oil, guys...). So don't trust this figure too much, but it should all average out in the long run.

* Trip computer claims 73.4 imperial mpg.
* Reserve light came on at 924.3 miles.
* Probably will be my final 1000 mile tank this year due to earlier nights / worsening weather etc.
__________________

Audi A2 TDi 1.4*, 6M/0.588, mild aero mods, 103hp remap (* 3 pot version of 1.9PD)
Y2000 Passat TDi 115 PD RETIRED, M5, Best 75MPGuk, usually 60-70. 900m clubx7. 1000 mile clubx3.
VW Fuel saving tips
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Old September 10th, 2008, 08:02   #9
Variant TDI
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Join Date: Mar 2002
Location: SS, MD.
Fuel Economy: 36.4min/44average/56.4max. Recently improved commuting from 42mpg to 50mpg with 'new' driving habits and Scangauge.
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driver: Variant TDI
miles: 810.6
gallons: 15.566
year: 2002
model: Jetta Wagon
tranny: 5M
fuel: ULSD + PS

mpg = 52.08
__________________
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2002 Golf Wagon TDI - - 1996 GTI VR6 - - Flickr

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Old September 10th, 2008, 09:39   #10
tasdrouille
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Join Date: Sep 2007
Location: Quebec
TDI(s): 2000 A4
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Driver: tasdrouille
Miles: 457.1
Gallons: 6.44
Model Year: 1999
Model: Vento
Tranny: 5M
Fuel Type: ULSD

MPG: 70.98

This was the "practice" run for my 3L challenge (3L/100km or 78 MPGUS)
Mostly secondary roads driving at 47 mph instead of taking highways, and 56 miles of city driving.

Driver: tasdrouille
Miles: 616
Gallons: 7.71
Model Year: 1999
Model: Vento
Tranny: 5M
Fuel Type: ULSD

MPG: 79.9

This was my official 3L run. 40 mph tank average in two non stop 7.5 hours 300 miles segments of country roads.
__________________
Quote:
I've got so much torque...I could tear a hole in time!
Jetta 2000: VR6/G60 clutch kit and .216 nozzles



www.HyperKilometreur.com - Quand chaque goutte compte...
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Old September 10th, 2008, 15:33   #11
no_one_of_consequence
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Join Date: Sep 2006
Location: Mexico
Fuel Economy: 57.4 MPG average @ 29.5K miles
Thumbs up

This is very impressive congratulations!!






Now, tell us how you did it, just by slowing down?
What is the kerb weight of your A3?,
Tires kind & pressure etc.




Quote:
Originally Posted by tasdrouille
Driver: tasdrouille
Miles: 457.1
Gallons: 6.44
Model Year: 1999
Model: Vento
Tranny: 5M
Fuel Type: ULSD

MPG: 70.98

This was the "practice" run for my 3L challenge (3L/100km or 78 MPGUS)
Mostly secondary roads driving at 47 mph instead of taking highways, and 56 miles of city driving.

Driver: tasdrouille
Miles: 616
Gallons: 7.71
Model Year: 1999
Model: Vento
Tranny: 5M
Fuel Type: ULSD

MPG: 79.9

This was my official 3L run. 40 mph tank average in two non stop 7.5 hours 300 miles segments of country roads.
__________________
This is my car A4 PD 2006, Unitronic 1+, panzer plate, taller rear tires (205-16-55, 205-16-65).

Last edited by no_one_of_consequence; September 10th, 2008 at 15:41.
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Old September 10th, 2008, 16:59   #12
Joe TDI
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Location: Neversink, NY
Fuel Economy: worst/average/best: 37/44.5/52
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Fill up #1
Driver: Joe TDI
Miles: 692.7
Gallons: 14.5
Model Year: 2003
Model: Jetta
Tranny: 5M
Fuel Type: ULSD + PS

MPG: 47.77
__________________
- 2003 Jetta GLS TDI 5spd/RC6/214whp 350ft/lbs (totaled 10/2010)
- 2000 Jetta GLX TDI (sold 11/2013)
- 2004 Jetta GL TDI:
(sold 8/2013)
- 2002 Jetta GLS Wagon (Traded 6/2014)

Last edited by Joe TDI; September 28th, 2008 at 08:30.
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Old September 10th, 2008, 19:26   #13
tasdrouille
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Location: Quebec
TDI(s): 2000 A4
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Quote:
Originally Posted by no_one_of_consequence
This is very impressive congratulations!!

Now, tell us how you did it, just by slowing down?
What is the kerb weight of your A3?,
Tires kind & pressure etc.
You can see my car following the link below, that'll explain some. Works wonderfully when coasting. Many will find it butt ugly, but I've grown a thick skin and prefer function over form.
http://ecomodder.com/forum/emgarage....s&vehicleid=87

Driving slowly is the key, at 40 mph on flat ground it gets 90+ mpg. Accelerating or going up steep hills I kept load in the 85-95% range as close to peak torque as possible.

Tires are actually winter tires (got 2 sets of winters with the car...) but pumped up at 50 psi.

Weight is stock, just modded the IAT sensor to get 2 degrees of timing advance and replaced the muffler with a straight pipe when it broke off. I replaced the rear bearings recently and packed them with nlgi 1.5 grade synth grease. I also removed the duct to the airbox so I can get a bit hotter air from the engine bay and blocked the external airflow to the ic to help increase the IAT a bit (although I'm hardly ever boosting).
__________________
Quote:
I've got so much torque...I could tear a hole in time!
Jetta 2000: VR6/G60 clutch kit and .216 nozzles



www.HyperKilometreur.com - Quand chaque goutte compte...
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Old September 11th, 2008, 01:38   #14
Birdman
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Join Date: Apr 1999
Location: Near Hagerstown MD.
Fuel Economy: 55 summer 50 winter
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Driver:Birdman
Miles:889
Gallons:16.41
Model Year:2001
Model:Jetta
Tranny:5 (681)
Fuel Type Bio 5 Percent PS 6 OZ
VNT 17 RC4 PP520

First time trying the New Bio here in Hagerstown MD. It was 7 cents a gal. cheaper then diesel.
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Old September 11th, 2008, 04:19   #15
Erdrick
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Location: Detroit, Michigan
TDI(s): 1998 Jetta
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tasdrouille: You are getting THAT kind of mileage with THOSE tires?!? You do know that winter tires are much softer than regular tires, and have comparatively horrible LRR characteristics, right? I can only imagine what you would get with some nice LRR treads!

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