02-13-2014, 07:24 PM
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#1 (permalink)
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EcoModding Lurker
Join Date: Feb 2014
Location: Hastings, PA
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New Guy Intro (2003 Jetta TDI)
Hi All,
Looking forward to learning what you do for more MPG. I have a 2003 Jetta TDI Diesel and have been experimenting for a few years on how to raise up the efficiency. Best I've done so far was 57.4 MPG. Trying to break the 60 mark even in the hills of western PA.
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02-13-2014, 08:03 PM
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#2 (permalink)
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Administrator
Join Date: Dec 2007
Location: Germantown, WI
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Welcome to the site Lane S. Your mileage is already pretty good so I assume your driving is fairly tweaked already. What mods have you done and what do you have planned?
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02-13-2014, 09:10 PM
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#3 (permalink)
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Batman Junior
Join Date: Nov 2007
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Welcome.
What things have you done? |
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02-13-2014, 09:31 PM
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#4 (permalink)
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Master EcoModder
Join Date: Sep 2009
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Welcome, blow up the tires and put some pipe insulation in the grille openings to block the grille.
regards
Mech
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02-13-2014, 10:18 PM
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#5 (permalink)
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EcoModding Lurker
Join Date: Feb 2014
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So far its just driving speed reduction, higher pressure in tires (90% of max), watching shift/rpms. I'm investigating the grill block and higher temp thermostat with Evans no water coolant (with 1st stage fan mod).
I'm getting ready for a 200K timing belt change and plan on replacing worn suspension, exhaust (2.5 or 3"), EGR, Turbo, and Intake cleaning for now. I'm sure you fellows will have some great suggestions.  |
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02-13-2014, 11:08 PM
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#6 (permalink)
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Not banned yet
Join Date: May 2010
Location: Texas Coast, close to Houston
Posts: 880
getto - '02 Volkswagen Jetta GLS TDI 90 day: 53.82 mpg (US)
Thanks: 413
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real good mileage. don't forget to start listing mileage logs.
__________________
FOR SALE: 02 TDI Jetta- 5 sp: Cooper CS5 at 50 psi, UltraGauge, ventectomy, rear air shocks, mufflerectomy, LED plate light, upper fiberglass grille block, front lower pan, front fairing.
93 Chevy CrewCab 6.5 TurboDiesel, GearVendor OverDrive, 4L80 w/ TCI controls. Now DailyDriver
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02-14-2014, 12:38 AM
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#7 (permalink)
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Master EcoModder
Join Date: Feb 2012
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Welcome to the forum.
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02-14-2014, 07:51 AM
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#8 (permalink)
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What brake pedal?
Join Date: Feb 2014
Location: Chantilly, Virginia
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Quote:
Originally Posted by Lane_S
Trying to break the 60 mark even in the hills of western PA.
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Wow, that is a great goal. I drive through western PA a couple times in the summer & there are certainly a couple of doozy's. The worst so far is is I-40 East right past Uniontown. I have to throw my Corolla into 3rd gear with the pedal buried to maintain 45 MPH.
Already learning from reading here that is is better to lose a bit of MPH going up hills, but that is one climb that is tough to maintain speed. |
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02-14-2014, 08:45 AM
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#9 (permalink)
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Not banned yet
Join Date: May 2010
Location: Texas Coast, close to Houston
Posts: 880
getto - '02 Volkswagen Jetta GLS TDI 90 day: 53.82 mpg (US)
Thanks: 413
Thanked 260 Times in 207 Posts
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Quote:
Originally Posted by digital rules
Already learning from reading here that is is better to lose a bit of MPH going up hills, but that is one climb that is tough to maintain speed.
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that is true. there are no hills here but there is one overpass where i am that i end up cresting at about 35 mph.
__________________
FOR SALE: 02 TDI Jetta- 5 sp: Cooper CS5 at 50 psi, UltraGauge, ventectomy, rear air shocks, mufflerectomy, LED plate light, upper fiberglass grille block, front lower pan, front fairing.
93 Chevy CrewCab 6.5 TurboDiesel, GearVendor OverDrive, 4L80 w/ TCI controls. Now DailyDriver
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