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Mileage modifications #733180
February 17th 2018 4:27 pm
February 17th 2018 4:27 pm
Joined: Sep 2017
Posts: 18
Oklahoma
abcde06991 Offline OP
stranger
abcde06991  Offline OP
stranger
Joined: Sep 2017
Posts: 18
Oklahoma
What are some modifications i can make to a van to increase gas mileage? I hav a GMC 95 Vandura


95 G2500 Vandura
[Linked Image]
Re: Mileage modifications [Re: abcde06991] #733183
February 17th 2018 7:01 pm
February 17th 2018 7:01 pm
Joined: Jun 2010
Posts: 13,419
Van Diego California
frscke1 Offline
frscke1  Offline

Joined: Jun 2010
Posts: 13,419
Van Diego California
Need to know motor size, tranny, rear gears & type of tires....


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: Mileage modifications [Re: abcde06991] #733235
February 19th 2018 9:11 am
February 19th 2018 9:11 am
Joined: Sep 2013
Posts: 690
Indiana
tuner4life Offline
addict
tuner4life  Offline
addict
Joined: Sep 2013
Posts: 690
Indiana
Buy a Prius and make the payment with the money you save on gas. These vans don't get good mileage, they just don't. The absolute best mileage numbers I've ever seen from a G20 was about 15mpg.


[Linked Image]
1985 Chevy G20 305ci/4spd Manual
Re: Mileage modifications [Re: abcde06991] #733238
February 19th 2018 10:50 am
February 19th 2018 10:50 am
Joined: Mar 2016
Posts: 315
Tucson,Az.
H
Hasan Ben Sobar Offline
enthusiast
Hasan Ben Sobar  Offline
enthusiast
H
Joined: Mar 2016
Posts: 315
Tucson,Az.
The above.


Tucson-it's a dry heat...like an oven
Re: Mileage modifications [Re: abcde06991] #733243
February 19th 2018 1:22 pm
February 19th 2018 1:22 pm
Joined: Aug 2001
Posts: 11,651
Fircrest, WA
Reed Online content
Maniac
Reed  Online Content
Maniac
Joined: Aug 2001
Posts: 11,651
Fircrest, WA
Well, you could install a turbo diesel, but it would take a long time to recver the cost of conversion in fuel savings.


Windows- they're what make a van worth owning!
Re: Mileage modifications [Re: abcde06991] #733255
February 19th 2018 6:09 pm
February 19th 2018 6:09 pm
Joined: Mar 2011
Posts: 305
NY
J
jcd74 Offline
enthusiast
jcd74  Offline
enthusiast
J
Joined: Mar 2011
Posts: 305
NY
You may already have all improvements you could want with a late model, overdrive trans, TBI injection. All you can do is keep it in good tune. I don't want to know my gas millage, I spend 120 in gas every week. I could make a 480 dollar car payment with that and if I quit smoking at 11 a pack I would have another 660 for a 1000 dollar car payment. I should just quit smoking so I could lead foot all the time in the van.

Re: Mileage modifications [Re: abcde06991] #733260
February 19th 2018 9:23 pm
February 19th 2018 9:23 pm
Joined: Mar 2016
Posts: 315
Tucson,Az.
H
Hasan Ben Sobar Offline
enthusiast
Hasan Ben Sobar  Offline
enthusiast
H
Joined: Mar 2016
Posts: 315
Tucson,Az.
Step up to TPI when you can afford it.


Tucson-it's a dry heat...like an oven
Re: Mileage modifications [Re: frscke1] #733440
February 25th 2018 5:24 am
February 25th 2018 5:24 am
Joined: Sep 2017
Posts: 18
Oklahoma
abcde06991 Offline OP
stranger
abcde06991  Offline OP
stranger
Joined: Sep 2017
Posts: 18
Oklahoma
3/4 ton vandura, 350, 4 speed, and the rear gears i dont know, whatever came stock with this van, and the tires idk im out of town but they are 255s


95 G2500 Vandura
[Linked Image]
Re: Mileage modifications [Re: abcde06991] #733452
February 25th 2018 11:22 am
February 25th 2018 11:22 am
Joined: Jun 2010
Posts: 13,419
Van Diego California
frscke1 Offline
frscke1  Offline

Joined: Jun 2010
Posts: 13,419
Van Diego California
With keeping every thing stock the best you can do is keep tuned, tires inflated & watch your driving habits. I take it it has a ele overdrive tranny being a '95.

10 - 12 is the best you can get driving a stock 350 brick.

Now if you want to throw money at it, thats another story......


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: Mileage modifications [Re: abcde06991] #733454
February 25th 2018 12:40 pm
February 25th 2018 12:40 pm
Joined: Feb 2002
Posts: 406
vanland Des Moines
Lionvan Offline
addict
Lionvan  Offline
addict
Joined: Feb 2002
Posts: 406
vanland Des Moines
I get 15 out of my 90 Chevy. 350 3:42 gears. G20. 75mph highway, a.c. on.


[IMG]A foolish faith in authority is the worst enemy of truth. Question Authority.
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