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Old 04-11-2016, 01:41 PM   #1 (permalink)
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New Tire Shopping

Hi all,
I have been shopping for some new low rolling resistance tires for my 01 Jetta TDI and I have decided to go with the Bridgestone Ecopia EP422 Plus. Now it comes down to what size to buy. Now stock my Jetta has 195/65r15 and I want to be more efficient than that so I want to go narrower and taller. Well, tirerack.com has options that are narrower (175/65r15) and taller (205/70r15) but no options that are taller AND narrower... So here is my question: Should I go with the taller tires that will lower my cruising RPMs or should I go with the narrower tires that will have a lower rolling resistance? For comparrison the tread width on the 205/70r15 is 5.9" and 20lbs per tire and the tread width of the 175/65r15 is 5.1" and 17lbs per tire.
Any help is appreciated, thanks in advance!

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Old 04-11-2016, 02:31 PM   #2 (permalink)
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im a fan of taller if your do a lot of freeway driving.
Lower weight is better for a lot of around town
you need to show:
original
weight, overall diameter, width.
taller
weight, overall diameter, width.

narrower
weight, overall diameter, width.


I don't see the 175 at tire rack so I cant really give you a good answer
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ECO MODS PERFORMED:
First: ScangaugeII
http://ecomodder.com/forum/showthrea...eii-23306.html

Second: Grille Block
http://ecomodder.com/forum/showthrea...e-10912-2.html

Third: Full underbelly pan
http://ecomodder.com/forum/showthrea...q45-11402.html

Fourth: rear skirts and 30.4mpg on trip!
http://ecomodder.com/forum/showthrea...tml#post247938
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Old 04-11-2016, 02:37 PM   #3 (permalink)
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Black Ice - '01 Volkswagen Jetta TDI GLS
90 day: 52.07 mpg (US)

Black Ice v1.9 - '01 Volkswagen Jetta GLX
90 day: 43.74 mpg (US)

SuperSonic - '13 Chevrolet Sonic LT
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Here are each of the tires specs
Attached Thumbnails
Click image for larger version

Name:	175.PNG
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Size:	18.6 KB
ID:	19902   Click image for larger version

Name:	205.PNG
Views:	28
Size:	16.1 KB
ID:	19903   Click image for larger version

Name:	195.PNG
Views:	33
Size:	17.4 KB
ID:	19904  
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Joggernot (04-12-2016)
Old 04-11-2016, 02:45 PM   #4 (permalink)
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thanks!!!!!
sO the tire effecencnce is the same for both.
and the narrow tire is just 1/2 an inch narrower and 1 lb lighter. (less than 5%).

the taller tire is 2lbs heaveier and slightly taller than 5%


I think it will depend on the mix of driving.
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MetroMPG: "Get the MPG gauge - it turns driving into a fuel & money saving game."

ECO MODS PERFORMED:
First: ScangaugeII
http://ecomodder.com/forum/showthrea...eii-23306.html

Second: Grille Block
http://ecomodder.com/forum/showthrea...e-10912-2.html

Third: Full underbelly pan
http://ecomodder.com/forum/showthrea...q45-11402.html

Fourth: rear skirts and 30.4mpg on trip!
http://ecomodder.com/forum/showthrea...tml#post247938
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Old 04-11-2016, 03:06 PM   #5 (permalink)
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Black Ice - '01 Volkswagen Jetta TDI GLS
90 day: 52.07 mpg (US)

Black Ice v1.9 - '01 Volkswagen Jetta GLX
90 day: 43.74 mpg (US)

SuperSonic - '13 Chevrolet Sonic LT
90 day: 38.78 mpg (US)
Thanks: 0
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I do mainly highway (50 miles each way to work) So I ordered the 205s. Thanks for your help!
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Old 04-11-2016, 03:19 PM   #6 (permalink)
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Quote:
Originally Posted by shantiwitt View Post
I do mainly highway (50 miles each way to work) So I ordered the 205s. Thanks for your help!
you are very welcome!!!
I LOVE tirerack!!!!!!
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MetroMPG: "Get the MPG gauge - it turns driving into a fuel & money saving game."

ECO MODS PERFORMED:
First: ScangaugeII
http://ecomodder.com/forum/showthrea...eii-23306.html

Second: Grille Block
http://ecomodder.com/forum/showthrea...e-10912-2.html

Third: Full underbelly pan
http://ecomodder.com/forum/showthrea...q45-11402.html

Fourth: rear skirts and 30.4mpg on trip!
http://ecomodder.com/forum/showthrea...tml#post247938
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Old 04-11-2016, 03:21 PM   #7 (permalink)
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Join Date: Dec 2015
Location: Flushing, Michigan
Posts: 6

Black Ice - '01 Volkswagen Jetta TDI GLS
90 day: 52.07 mpg (US)

Black Ice v1.9 - '01 Volkswagen Jetta GLX
90 day: 43.74 mpg (US)

SuperSonic - '13 Chevrolet Sonic LT
90 day: 38.78 mpg (US)
Thanks: 0
Thanked 2 Times in 2 Posts
Same, they already called me to confirm that I wanted oversized tires
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Old 04-11-2016, 03:22 PM   #8 (permalink)
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The Q Sold - '02 Infiniti Q45 Sport
90 day: 23.08 mpg (US)

blackie - '14 nissan altima sv
Thanks: 2,203
Thanked 659 Times in 474 Posts
btw,
I upsized on the infifnti Q45 and got a nice little bump in mpg on the road!!
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MetroMPG: "Get the MPG gauge - it turns driving into a fuel & money saving game."

ECO MODS PERFORMED:
First: ScangaugeII
http://ecomodder.com/forum/showthrea...eii-23306.html

Second: Grille Block
http://ecomodder.com/forum/showthrea...e-10912-2.html

Third: Full underbelly pan
http://ecomodder.com/forum/showthrea...q45-11402.html

Fourth: rear skirts and 30.4mpg on trip!
http://ecomodder.com/forum/showthrea...tml#post247938
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Old 04-11-2016, 03:24 PM   #9 (permalink)
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The Q Sold - '02 Infiniti Q45 Sport
90 day: 23.08 mpg (US)

blackie - '14 nissan altima sv
Thanks: 2,203
Thanked 659 Times in 474 Posts
hey, real quick. Check the clearance at the top of the tire to the bottom of the strut tower. you need just over 3/4 of an inch.
__________________
MetroMPG: "Get the MPG gauge - it turns driving into a fuel & money saving game."

ECO MODS PERFORMED:
First: ScangaugeII
http://ecomodder.com/forum/showthrea...eii-23306.html

Second: Grille Block
http://ecomodder.com/forum/showthrea...e-10912-2.html

Third: Full underbelly pan
http://ecomodder.com/forum/showthrea...q45-11402.html

Fourth: rear skirts and 30.4mpg on trip!
http://ecomodder.com/forum/showthrea...tml#post247938
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Old 04-11-2016, 03:26 PM   #10 (permalink)
EcoModding Lurker
 
Join Date: Dec 2015
Location: Flushing, Michigan
Posts: 6

Black Ice - '01 Volkswagen Jetta TDI GLS
90 day: 52.07 mpg (US)

Black Ice v1.9 - '01 Volkswagen Jetta GLX
90 day: 43.74 mpg (US)

SuperSonic - '13 Chevrolet Sonic LT
90 day: 38.78 mpg (US)
Thanks: 0
Thanked 2 Times in 2 Posts
My snow tires are 215/60-16 (had them from my old subaru) and they fit no problem, the ones I just ordered are .2 inches taller than those so I should be fine.

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