V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

MPG for V6's

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Old May 19, 2003 | 12:53 AM
  #1  
WishIHadAZ28's Avatar
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MPG for V6's

Hey I'm new to the boards, I was just curious what all your guys and gals are getting to the gallon in your V6 Camaros? Thanks!
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Old May 19, 2003 | 01:31 AM
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From: Northwestern Pennsylvania
Car: 1985 Pontiac Trans Am
Engine: 355 with stuffs.
Transmission: 700R4
Axle/Gears: 4.10 Posi
Welcome to the boards. A properly tuned 2.8 or 3.1 liter V6 will average around 18-20 MPG city driving, and about 25-27 on the highway. Mine always averaged out to be around 20 or so depending on how I drove it. One time I saw 28 MPG. (the whole tank was mostly highway, and I babied it just to see what I would get.) but that's about what you can expect to see.
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Old May 19, 2003 | 09:06 PM
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eric17422001's Avatar
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From: Savannah, GA
Car: 3
Engine: inboard
Transmission: underfloor
I saw 28.5 on our last road trip, 70-75mph on the interstate. That's with a 3.1 auto with 3.23 gears and nearly 200,000 on the clock.

Eric
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Old May 19, 2003 | 09:53 PM
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85SportCoupeto89RS's Avatar
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From: Cove, Arkansas
Car: 85 Camaro SC
Engine: V6
Transmission: 700r4
I get about 26.1 mpg with it being mainly highway and around town hot rodding.
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Old May 19, 2003 | 10:03 PM
  #5  
85f-bird's Avatar
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From: St. Louis, MO
Car: 85' Firebird (Project), 92' RS
Engine: 2.8L, LS1
Transmission: 700R4, 4L60E
Axle/Gears: 3.42 Open , 10 Bolt (ukn)
welcoe to the boards...I tend to pull around mid 20's when i'm tkaing trips from school to home....3 hours at 70-80 mph the entire time. Around 25 is a decent estimate i'd say.
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Old May 20, 2003 | 09:58 AM
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DaGoat's Avatar
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Around 20 or so in the city, and Average of 28-29 on the highway.

3.1, 3.23 180,000 miles

Best I ever saw was 32 mpg.
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Old May 20, 2003 | 05:20 PM
  #7  
Ovrclck350's Avatar
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From: Longview, Tx
BEST I ever got was 25mpg

Usually it was 20, even hwy.

These cars are so old and everyone's has been treated differently that there really isn't a "standard" number.
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Old May 20, 2003 | 07:01 PM
  #8  
2_point8_boy's Avatar
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From: Castaic, CA
Car: 1988 Camaro RS
Engine: 2.8L of Raw POWER!!!
Transmission: Stick Shift
Axle/Gears: 3.42's
AVG = about 25 mpg

Best = 31 mpg...all freeway miles on an entire tank between L.A. and Pheonix @ 75 mph.
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Old May 20, 2003 | 09:15 PM
  #9  
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From: Vancouver, BC
Car: '86 Camaro SC, '16 QX60
Engine: 2.8 V6 POWER, 3.5L V6 N/A
Transmission: T-5, CVT
I drive mostly city and I would say I get 18.5 mpg. And that's with a car that isn't running quite right, and I rev it up to 4000 before I shift all the time.
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Old May 20, 2003 | 09:34 PM
  #10  
TekViper's Avatar
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From: NJ
Car: 1990 Pontiac Firebird
Engine: 3.1L v6
Transmission: Automatic
what are some things to help improve mileage besides a general tune up and checking tire pressures? i dont have a working odometer so i cant calculate my true mpg but it feels like my gas doesnt last as long as it should be.
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Old May 21, 2003 | 11:48 AM
  #11  
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From: chesapeake va
Car: 08 Sierra, 08 Silverado, 91 z28
Engine: 5.3, 4.3, 5.7
Transmission: autos
though its not a 3rd gen, its a v6, my 94 camaro with a 3.4 gets adverage of 22, thats with me driving hard and fast, my 89 camaro used to get between 10-19 depending on if it was hot or cold outside
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Old May 21, 2003 | 10:25 PM
  #12  
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From: Broomall, PA
Car: 1992 Chevrolet Camaro RS; 1986 Oldsmobile Cutlass Ciera Brougham
Engine: LH0 3.1 Liter V6; YBN 2.8 Liter V6
Transmission: TH-700-R4; TH-440
Here's the deal with my little 3.1:
-I fill it all the way up till it cant be filled no more, and wait till it gets to a quarter tank before refilling (I heard it helps your fuel pump) When doing this around town with a 15 gallon tank, I get roughly 125 miles to the 3/4 tank. When I ran it into the E, I'd go roughly 180 before fillups, I guess you could say I get like 13 around town??? But on the highway, the gas guage doesnt move. Today I noticed that at 56 miles of straight highway driving the needle barely moved. Its good on gas, I like these engines.
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Old May 22, 2003 | 06:13 AM
  #13  
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From: milwaukee wisc
since my rebuild and my jacobs pro street energy pak and ultra coil, along with my hooker headers, i got 34 mpg on a 170 mile drive i use to get 25-28 on the free way but it has gone up alot..
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Old May 23, 2003 | 06:06 AM
  #14  
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From: vancouver
how

how do i measure my fuel mileage
i ask because one, i live in canada and dont have miles, two i have no lcue how big my friggen tank is and three, i dunno
thanks for the hizelp
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Old May 23, 2003 | 08:42 AM
  #15  
86redbird's Avatar
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From: Brentwood Bay, BC, Canada
Car: 88 Firebird, 86 Firebird
Slim, you don't need to know how big your tank is..likely it is 60.2L. To get your mileage, fill up your tank, write down your odom reading (or reset trip odom), and then next time you fill up, save the receipt. Use the litres it took to fill the tank again to calculate.
as an example:
(307.2km/45.249L)*(3.785L/1G)*(1M/1.609km)= 24.04M/G
which is what my car gets now.
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