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

Is it True?

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Old Feb 27, 2006 | 11:45 AM
  #1  
WinnipegGTA's Avatar
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From: Winnipeg,MB,Can
Car: 1991 GTA
Engine: 5.7L L98
Transmission: 4L60
Axle/Gears: 3.23
Is it True?

That V6 auto's get better gas milage then V6 5spds? This is according to the government fuel mileage rating!
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Old Feb 27, 2006 | 11:56 AM
  #2  
Toehead's Avatar
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From: North Central Mass.
Car: 1985 Berlinetta
Engine: Megasquirted TPI
Transmission: Transgo 700R4
Axle/Gears: 3.42
That doesnt make a lick of sense... It should be the other way around...
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Old Feb 27, 2006 | 12:02 PM
  #3  
WinnipegGTA's Avatar
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From: Winnipeg,MB,Can
Car: 1991 GTA
Engine: 5.7L L98
Transmission: 4L60
Axle/Gears: 3.23
Pontiac Firebird/Trans Am
6 cyl, 3.1 L, Automatic (4 sp), Regular 18cty 27Hwy $1599 8.60

Pontiac Firebird/Trans Am
6 cyl, 3.1 L, Manual (5 sp), Regular 17cty 27hwy $1680 9.00

http://www.fueleconomy.gov/feg/bymod...Trans_Am.shtml


?? You would think the Firebird would be like 20city and like 30 Hwy with the 5spd?
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Old Feb 27, 2006 | 12:36 PM
  #4  
Gumby's Avatar
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From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
those EPA rating are bunk.

I get 25-28 city with a T5, but my city is not bumper to bumper traffic, like they include in the equation.

Same go for highway, the bumper to bumper traffic jams of CA are included.
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Old Feb 27, 2006 | 12:48 PM
  #5  
xplane's Avatar
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From: Kansas
Car: 85 camaro sport coupe
Engine: 2.8 MFI
Transmission: v6 700R4 wish it was a 5spd Stick
Axle/Gears: Stock non posi 3.42s
you will never get better overall fuel economy out of an auto car if they are identical and one has stick and one auto. the stick has less mass and is easier to turn plus the auto has convertor slip till it goes into lockup. How many truly fast I4 or for that matter V6 engines that are auto? not that many. fact is a stick has less parts, weighs less, and is more efficient at transmiting power.
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Old Feb 27, 2006 | 01:07 PM
  #6  
daves12secV6's Avatar
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From: Sayreville NJ
umm auto has tq multiplication and stick vs auto with gas mileage depends on the driver
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Old Feb 27, 2006 | 03:07 PM
  #7  
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From: AR
Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
I would have to say not even who the driver, but HOW is it drove.

If you rev the hell out the motor before you shift every gear, its going to kill it.

If you shift at about the same points as the auto, coast a bit, its going to do same or better.
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Old Feb 27, 2006 | 05:19 PM
  #8  
Andrewkid's Avatar
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Joined: Feb 2006
Posts: 17
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From: Wisconsin Dells, WI
Car: 1987 Camaro
Engine: 2.8 Turbo Charged V6
Transmission: 5-Speed Manual
Axle/Gears: Uh....
My feelings are, it's a Camaro.

Who cares if the gas mileage sucks. I don't think 16 mpg has ever been bad, plus, if you want gas mileage, by an f-ing Focus or Queervalier or something.

Personally, for the rumble, looks and just plain bad-assness of a Camaro, I'm willing to pay a little more for gas every week.
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