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Old 01-07-2012, 08:41 PM   #21 (permalink)
NightKnight
 
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RippinRoo - '05 Subaru Legacy Wagon 2.5 GT
Subaru
90 day: 21.16 mpg (US)

Helga - '00 Volkswagen Jetta TDI
TEAM VW AUDI Group
Diesel
90 day: 53.91 mpg (US)

Olga - '03 Volkswagen Jetta Wagon
90 day: 46.24 mpg (US)
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Quote:
Originally Posted by TedV View Post
If your TDi wont get up to temp, even with grill blocked, you just might need a thermostat. My 98 Jetta would never get to 190. Actually, the needle almost never moved off ice cold. I tested the TS out of the motor along with a new one in a pan of water on the stove. They both operated the same at the same temp in the pan. The new one actually lets the motor get to 190 in the car tho. YMMV
Yep, good input... I'll be looking for another thermostat pretty soon.

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Old 01-10-2012, 01:29 PM   #22 (permalink)
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Looks like according to the thread at TDi club:

Modified Thermostat for higher MPG's... - Page 31 - TDIClub Forums

"Modified Thermostat for higher MPG's" page 31 post 451 tells about a guy who used a mark 2 high temperature thermostat in his ALH TDI, and seems to be getting an increase in MPG's. Then again, you could just make one of my "Hybrid" 205 Deg F units:






I am seeing a 3-4 MPG increase over my previous T-stat that only reached 186 Deg F.

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2002 VW Jetta TDI 5-speed(completed 01M-5-speed swap at 155K miles) 45 MPG City with the 01M, 5-speed 60+ MPG City. Nokian Entyre Low RR Tires. Experimenting with the "Hybrid" 205 Deg F T-stat:

http://forums.tdiclub.com/showthread...=306799&page=4

..
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The Following 2 Users Say Thank You to Josh8loop For This Useful Post:
JasonG (01-30-2012), NachtRitter (01-12-2012)
Old 01-12-2012, 04:53 AM   #23 (permalink)
NightKnight
 
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Join Date: Dec 2008
Location: Placerville, CA
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RippinRoo - '05 Subaru Legacy Wagon 2.5 GT
Subaru
90 day: 21.16 mpg (US)

Helga - '00 Volkswagen Jetta TDI
TEAM VW AUDI Group
Diesel
90 day: 53.91 mpg (US)

Olga - '03 Volkswagen Jetta Wagon
90 day: 46.24 mpg (US)
Thanks: 303
Thanked 310 Times in 186 Posts
Very cool, thanks!!
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Old 01-30-2012, 01:35 AM   #24 (permalink)
F8L
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F8L's 2012 Prius - '12 Toyota Prius Three with Solar Roof
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Congrats! That is quite an accomplishment over such a long distance. I'd have to keep speed under 60mph to match it and I sure as hell couldn't do it on a single tank. Toyota gave us Prius guys a bladder problem. lol

Seriously, that is pretty damn awesome!
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2012 Prius Three with Solar Roof - Blizzard Pearl w/dark gray interior: Prius Plug-In 15" Wheels | Michelin Energy Saver A/S 195/65/15 tires | TRD Lowering Springs | WeatherTech FloorLiners | Scangauge II | Morimoto/DDM HIDs 5000K | Clazzio Leather Seat Covers | Best Tank: 71.7mpg@702miles | Best Trip: 95.9mpg@233miles
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Old 01-30-2012, 05:46 AM   #25 (permalink)
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Slightly OT

Quote:
Originally Posted by Josh8loop View Post
Looks like according to the thread at TDi club:

Modified Thermostat for higher MPG's... - Page 31 - TDIClub Forums

"Modified Thermostat for higher MPG's" page 31 post 451 tells about a guy who used a mark 2 high temperature thermostat in his ALH TDI, and seems to be getting an increase in MPG's. Then again, you could just make one of my "Hybrid" 205 Deg F units:






I am seeing a 3-4 MPG increase over my previous T-stat that only reached 186 Deg F.

..
Josh, have you posted this on tdiclub.com ?
If not, do you mind if I link it?
What is your user name there? Same ? Mine is.
Unless Nacht wants to link it, this is his thread
/Hijack
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I can't understand why my MPG's are so low..........
21,000lb, 41' Toy Haulers are rough on FE!
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Old 01-30-2012, 12:14 PM   #26 (permalink)
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Quote:
Originally Posted by JasonG View Post
Josh, have you posted this on tdiclub.com ?
If not, do you mind if I link it?
What is your user name there? Same ? Mine is.
Unless Nacht wants to link it, this is his thread
/Hijack


Yes, actually I do use the same name over there and on every other Forum I'm on for that matter. Just makes it simpler on me. I don't mind if you link whatever you want. I just posted the T-stat information here since I thought it might be beneficial and pertinent. I'm not trying to threadjack

I've had quite a few tanks in town now with 60 MPG. No AC, SGII, timing advanced a couple degrees, 205 Deg F T-stat, stock ALH Auto nozzles(smallest available). I'm not an extreme hypermiler, but I do work at it. I would say 56 in town would be easy to come by with my setup FWIW. maybe eventually I will replace my nozzles(have 170K miles on them) and get a light tune to increase MPG's a bit more. New low RR tires would also help me too.


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2002 VW Jetta TDI 5-speed(completed 01M-5-speed swap at 155K miles) 45 MPG City with the 01M, 5-speed 60+ MPG City. Nokian Entyre Low RR Tires. Experimenting with the "Hybrid" 205 Deg F T-stat:

http://forums.tdiclub.com/showthread...=306799&page=4

..
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Old 01-31-2012, 01:23 AM   #27 (permalink)
NightKnight
 
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Join Date: Dec 2008
Location: Placerville, CA
Posts: 1,594

RippinRoo - '05 Subaru Legacy Wagon 2.5 GT
Subaru
90 day: 21.16 mpg (US)

Helga - '00 Volkswagen Jetta TDI
TEAM VW AUDI Group
Diesel
90 day: 53.91 mpg (US)

Olga - '03 Volkswagen Jetta Wagon
90 day: 46.24 mpg (US)
Thanks: 303
Thanked 310 Times in 186 Posts
Quote:
Originally Posted by F8L View Post
Congrats! That is quite an accomplishment over such a long distance. I'd have to keep speed under 60mph to match it and I sure as hell couldn't do it on a single tank. Toyota gave us Prius guys a bladder problem. lol

Seriously, that is pretty damn awesome!
Thanks; appreciate that!
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Old 01-31-2012, 01:24 AM   #28 (permalink)
NightKnight
 
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Join Date: Dec 2008
Location: Placerville, CA
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RippinRoo - '05 Subaru Legacy Wagon 2.5 GT
Subaru
90 day: 21.16 mpg (US)

Helga - '00 Volkswagen Jetta TDI
TEAM VW AUDI Group
Diesel
90 day: 53.91 mpg (US)

Olga - '03 Volkswagen Jetta Wagon
90 day: 46.24 mpg (US)
Thanks: 303
Thanked 310 Times in 186 Posts
Quote:
Originally Posted by JasonG View Post
Josh, have you posted this on tdiclub.com ?
If not, do you mind if I link it?
What is your user name there? Same ? Mine is.
Unless Nacht wants to link it, this is his thread
/Hijack
Josh can probably throw the link into his sig... he ought to have enough posts now that he can do that... probably would be the ideal place for it, in fact!
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Old 01-31-2012, 01:28 AM   #29 (permalink)
NightKnight
 
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Join Date: Dec 2008
Location: Placerville, CA
Posts: 1,594

RippinRoo - '05 Subaru Legacy Wagon 2.5 GT
Subaru
90 day: 21.16 mpg (US)

Helga - '00 Volkswagen Jetta TDI
TEAM VW AUDI Group
Diesel
90 day: 53.91 mpg (US)

Olga - '03 Volkswagen Jetta Wagon
90 day: 46.24 mpg (US)
Thanks: 303
Thanked 310 Times in 186 Posts
Quote:
Originally Posted by Josh8loop View Post
... New low RR tires would also help me too.
I'm running the Bridgestone Ecopia (LRR) tires at max pressure and I'm impressed with the difference in coasting distance compared to my Subaru wagon (granted the wagon is AWD so it's not a fair comparison). I'm sure it helps though!
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Old 02-06-2012, 01:37 PM   #30 (permalink)
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Kind a big deal for me today-I'm going for a 950 mile tank. I've had a couple previous 900 mile tanks, and I'm pushing it as far as I can tolerate. I really don't want to run out of fuel especially since I have my wifes car keys and my car keys with me at the same time by accident. Sure hope I make it to the fuel station! After I see how much fuel I still have in the tank, I may go for 1000 miles on the next one

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2002 VW Jetta TDI 5-speed(completed 01M-5-speed swap at 155K miles) 45 MPG City with the 01M, 5-speed 60+ MPG City. Nokian Entyre Low RR Tires. Experimenting with the "Hybrid" 205 Deg F T-stat:

http://forums.tdiclub.com/showthread...=306799&page=4

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