Gas Mileage in your Blazer?
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Gas Mileage in your Blazer? - 2/26/2007 5:55:18 PM
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Macbass05
Posts: 4
Joined: 12/20/2006
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Hi all,
Just wondering what everyone gets for gas mileage in their Blazers. I have a 98 LT with a 3:42 rear end. Maybe just need a tune up, but getting about 14 in the city and 17-18 on the highway. Anyone getting 20+ on the highway, and at highway speeds, like 70 mph.
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RE: Gas Mileage in your Blazer? - 2/26/2007 6:26:16 PM
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lastcoupe
Posts: 1137
Joined: 7/27/2006
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I don't know if any blazer with a stock drivetrain will achieve 20+ at 70+ MPH, but mine typically gets 20 MPG average with mostly 55-60 mph driving. Here recently it has droped to 19.1 mpg (it's very cold here the last few weeks). It has a 3.73:1 gear ratio, but has the tallest of the available tires (235/75/15). I also always run the same fuel and use ONLY G.M. tune-up parts. By-the way, the ORIGINAL plugs,wires,cap and rotor were removed and replaced with 101,000 miles on them and it got about 17 mpg when I changed them.
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RE: Gas Mileage in your Blazer? - 2/26/2007 9:54:21 PM
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4lowlife
Posts: 1562
Joined: 12/29/2005
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We get about 14.? now according to the inconsistantly consistant lieing trip/overhead computer.
It was around 16.3 mpg ave. over the summer. (the average of about 12 tanks I hand calculated.)
I have 3.42:1 w/ 235/75R15 @ 35 psi.
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RE: Gas Mileage in your Blazer? - 2/26/2007 10:17:18 PM
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fuzzball447
Posts: 86
Joined: 2/21/2007
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I've been running a lot in 4 wheel (gotta love global warming eh?) but I've been getting about 15 mpg taken across 4 full tanks since I put in a CAI.
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02 Blazer LS 4x4 Two Door
AEM CAI
Magnaflow w/ Catback 2.5"
JET performance Stage II module
Pioneer P690UB- Elemental Designs 9Kv.2 sealed- eDi6000s- NiNe.4
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RE: Gas Mileage in your Blazer? - 2/26/2007 10:40:35 PM
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mudsliner
Posts: 210
Joined: 10/14/2006
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i get 16-17 jus bout every tank i got a 97 4x4 5spd. with 255/70 and that with figurein the taller tires
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1997 blazer 2dr 4x4 4.3 H.O. 5speed tranny
stright piped from the kitty back
255/70/15 general grabber at2
2 inch wheel spacers
jvc cd player
undin pro sereis cb with 64" metel whip
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RE: Gas Mileage in your Blazer? - 2/26/2007 11:14:58 PM
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swartlkk
Posts: 14473
Joined: 5/1/2005
From: Waterloo, NY
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This topic comes and goes, but I digress...
My Bravada is probably the worst case of all... AWD, 3.73 gears, & 235/70R15 tires. I have been getting around 15-16mpg with the measily driving I do for work now (less than 6 miles to work). I dipped down to 13mpg for a tank full but that was primarily due to 3 fire calls during that week and 2-5*F weather. My best was ~20mpg when I moved and that was mostly interstate with the truck loaded right down. But we were only driving around 65mph as my father-in-law was driving the U-Haul truck and we sorta caravaned it across NY state.
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Kyle-
2004 Rainier
1970 Chevelle - Resto
1974 K5 Blazer - Resto
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RE: Gas Mileage in your Blazer? - 2/26/2007 11:29:23 PM
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DlJr82
Posts: 25
Joined: 2/16/2007
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Wow I am getting like 11-12 mpg. All of it stop and go driving no highway. Last tank i drove 155 miles and put 13 gallons in. It is cold here but it was the same during the summer as well. Its mostly my driving style but even when I drive slowly I dont even notice much of a different maybe 1 to 2 mpg.
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RE: Gas Mileage in your Blazer? - 2/27/2007 12:06:51 AM
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2000BlazerSS
Posts: 45
Joined: 12/26/2006
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When was the last time you did a tune up?. Cap,rotor, plug wires and plugs?. I pity you guys with 4 by 4's, my Tblazer gets 15 in the winter (in 2 wd) and not much better in the warmer weather. I'll run it to Florida and back in May and I'l hoping for 17-18.
My 2 wheel drive 2 door Blazers have gotten 18 mixed and 22-24 highway. And I KNOW what it gets!. All of us with shot fuel level gages drive by the odometer. Fill the tank, zero the odometer.
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RE: Gas Mileage in your Blazer? - 2/27/2007 12:27:48 AM
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drperry
Posts: 3901
Joined: 1/12/2007
From: GP AB CA
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I just did a highway trip, and I got 24 MPG, varying between 75 - 80MPH
I've got 3.42 gears and 235/75R15's
Temperature varying from -4*f to 5*f
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RE: Gas Mileage in your Blazer? - 2/27/2007 12:30:48 AM
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4lowlife
Posts: 1562
Joined: 12/29/2005
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quote:
When was the last time you did a tune up?. Cap,rotor, plug wires and plugs?. I pity you guys with 4 by 4's, my Tblazer gets 15 in the winter (in 2 wd) and not much better in the warmer weather. I'll run it to Florida and back in May and I'l hoping for 17-18.
My 2 wheel drive 2 door Blazers have gotten 18 mixed and 22-24 highway. And I KNOW what it gets!. All of us with shot fuel level gages drive by the odometer. Fill the tank, zero the odometer.
I guess it didn't snow on Gilligans Isle this year. My driveway accumulates snow drifts quite a bit. Everytime it snows
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RE: Gas Mileage in your Blazer? - 2/27/2007 12:34:29 AM
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2000BlazerSS
Posts: 45
Joined: 12/26/2006
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So does mine, which is why I have a 4 wd 2006 Trail Blazer.
24 mpg with a 4x4 at 70 mph. OK.
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RE: Gas Mileage in your Blazer? - 2/27/2007 2:26:39 AM
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MNHawk
Posts: 451
Joined: 10/20/2006
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Makes me want to change my 74 into my daily driver. I get 30 mpg w/ that. Have not really set my MPG on my blazer due to still working out all the gremlins.
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1981 C-20 Suburban Full Size 4x4 350 4sp manual (newest toy)
91 Honda Accord (daily Driver)
1979 Ford LGT 125
2005 JD L130
95 Blazer 4 door 4x4 4.3 lt vin W(parked selling or parting out)
93 S10 Blazer 4dr 4.
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RE: Gas Mileage in your Blazer? - 2/27/2007 9:58:07 AM
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Jigg
Posts: 494
Joined: 12/1/2006
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I get 12mpg around town and 14-15 on the highway.
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RE: Gas Mileage in your Blazer? - 2/27/2007 10:12:58 AM
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DlJr82
Posts: 25
Joined: 2/16/2007
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I havent put a cap and rotor on but I have replaced my wires and plugs. I replaced the fuel injectors when i bought it in 04.
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95 Blazer 4.3L 4X4 125K
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RE: Gas Mileage in your Blazer? - 2/27/2007 10:17:50 AM
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rabbit0102030
Paint & Body Moderator
Posts: 1231
Joined: 9/25/2006
From: GdUp, TEXAS
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I get a steady 18.2 mpg, at a 75 mph average speed.
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RE: Gas Mileage in your Blazer? - 2/27/2007 10:24:45 PM
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Jackal
Posts: 48
Joined: 12/4/2006
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Hhahaa you got owned by a 1974!!!! 30mpg
< Message edited by Jackal -- 2/27/2007 10:25:33 PM >
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RE: Gas Mileage in your Blazer? - 3/23/2007 6:58:33 AM
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John Doe
Posts: 18
Joined: 2/25/2007
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My 4.3i Blazer consumes 15 Litres per 100km, stock equipment. 75mph average speed.
1 gallon = 3.79 lites = 3.79 EUR = $ 5,05
100km = 62.137 miles = 15 EUR = $ 20,0
=> 16 mpg
that seems okay.
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RE: Gas Mileage in your Blazer? - 3/23/2007 8:58:01 PM
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bigjsp
Posts: 77
Joined: 2/5/2007
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92 - 4.3 4WD gets 17-18
88 blazer has a LS1 auto and 4.10 gear with Lock up convertor and OD gets 23 mpg
carbed 355 in the limo S10 truck T400 3.23 rear gears gets 16 by itsself .... but usually 9-10 since its usually connected to the camper or the car trailer.
http://www.blazinlow.com/forum/attachment.php?s=&postid=571210
my other S-series vehicle gets gallons per mile when playing ..... but it is fun.
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RE: Gas Mileage in your Blazer? - 3/25/2007 4:29:18 PM
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pilgrim
Posts: 192
Joined: 1/5/2006
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I have a 1999 Blazer with 118K miles and new tires. I just made a run from laramie Wyoming to Denver and halfway back to Laramie. All speeds were consistently over 65, with 120 miles of the trip at speeds varying from 65-80 MPH. I had a small set of ski racks mounted on the top rack. Gas mileage carefully calculated from fill-up to fill-up: 20.2 MPG.
Incidentally, this Blazer still has the original plugs, wires, cap and rotor.
That felt good!
< Message edited by pilgrim -- 3/25/2007 4:31:12 PM >
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99 4WD Blazer, auto.
99 Jeep Cherokee Sport, auto.
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