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06-25-2008, 05:46 AM
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#26
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12 Second Club
Join Date: Sep 2004
Location: Vineland
Posts: 928
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wretched 73 is right about the explorer.
it takes more effort for the v6 to get the truck moving, meaning more load, meaning more fuel.
however, the v6 should own at highway speeds and get better than 13 in the city regardless so i assume their foot is heavy.
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87 iroc with the usual go fast stuff
heavier than your half ton.
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06-25-2008, 09:00 AM
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#27
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12 Second Club
Join Date: Aug 2004
Location: West Milford
Posts: 8,373
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i haul ass up to the speed limit  then coast
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88 Camaro
95 Impala SS
97 Trans Am WS6
98 Blazer ZR2
00 Corvette
04 CTS-V
04 Grand Cherokee
06 GMC Sierra
07 Sublime Charger Daytona
12 Tahoe LT
17 Malibu LT
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06-25-2008, 11:46 AM
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#28
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Join Date: Apr 2008
Location: Delran
Posts: 6,785
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i have two dd's for gas mileage. although the ls1 gets pretty good mileage if i have to
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06-25-2008, 06:02 PM
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#29
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The Mayor / 2009 Member of the Year / Moderator
Join Date: Jan 2005
Location: Northwest
Posts: 8,869
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Quote:
Originally Posted by firebirdat
theres somethings i dont get, my brothers truck, 2000 Ford Explorer w/ a V6, gets about 13ish mpg, but had he gotten the v8 Explorer he would supposedly get better than the v6.
Someone wanna explain this to me?
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V6er doesn't know how to drive...I get 16 going up and down a mountain everyday, and in somewhat mixed I average 18 mpg, goes up more significantly the more highway I do. (Mine is in my sig)
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1995 Z28 Convertible A4 13.78 @ 100 (CAI, high flow cat, catback, 160 thermo, hypertech, Strano springs, Koni yellows, sway bars, 3 pt. UMI SFC)
2018 Sea Doo GTX - 3 cylinders and das boooooost
Quote:
Originally Posted by BonzoHansen
Is English your 2nd language? Did you graduate high school? Your posts make my head hurt.
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Team FARM
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06-27-2008, 09:52 AM
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#30
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Sliderule / Moderator
Join Date: Oct 2004
Location: Catawissa PA
Posts: 2,294
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Also the maintainence and other factors will have a big effect. My DD is a 99 GMC Z71 PU with the 5.3. I get my best highway mileage ( Driving the PA TP over 100 miles each way weekly, if I stay between 55-70MPH ( 70 MPH is 2000 RPMS ), if I exceed 70 my mileage drops noticabley. I assume either convertor unlocks or just the air resistance?
Originally I was getting around 19 highway, I installed a K+N filter and tanoe cover and milage went up to 21-22. When I changes tires to a HD type for towing, the tires weight about 7 pounds move then the previous ones, listed as the same diam., and I use a slightly higher air pressure, and my mileage dropped to 20-21. Since the truck now has 165K on it I've swtich from 5-30 to 10-30 high milage oil and it dropped to 19-20MPG. Next oil change I'm going to go back to 5-30 just to see what effect that has.
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93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada
1) Build it
2) Race it
3) Break it
4) Repeat!!!
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06-27-2008, 06:26 PM
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#31
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Join Date: Aug 2007
Location: Piscataway, N.J.
Posts: 1,729
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Quote:
Originally Posted by Pampered-Z
Also the maintainence and other factors will have a big effect. My DD is a 99 GMC Z71 PU with the 5.3. I get my best highway mileage ( Driving the PA TP over 100 miles each way weekly, if I stay between 55-70MPH ( 70 MPH is 2000 RPMS ), if I exceed 70 my mileage drops noticabley. I assume either convertor unlocks or just the air resistance?
Originally I was getting around 19 highway, I installed a K+N filter and tanoe cover and milage went up to 21-22. When I changes tires to a HD type for towing, the tires weight about 7 pounds move then the previous ones, listed as the same diam., and I use a slightly higher air pressure, and my mileage dropped to 20-21. Since the truck now has 165K on it I've swtich from 5-30 to 10-30 high milage oil and it dropped to 19-20MPG. Next oil change I'm going to go back to 5-30 just to see what effect that has.
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You're right about the WIND RESISTANCE. Above 65 mph, you start to run into the fact that your truck is a brick and faster you try to go the harder you have to push on the gas. Going from 30 mph to 50 mph is easy, but trying to go from 50 mph to 70 mph will require a lot more effort on the engines part. Also you may well benefit from a SYN motor oil(such as Mobil 1)with a 5W30 rating. It holds up better under heat and higher loads and should give you a gas mileage boost. You can also go further between oil changes(like 5,000+)so the cost factor evens out when compared to regular motor oil. Those HD tires have a tread pattern that is more aggressive and does not roll as easily on the highway, again it affects gas mileage.
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1991 FORMULA 350-GONE BUT NOT FORGOTTEN
1 of 1,197 with L98 Option/13.79@100 mph
1994 25th ANNIVERSARY TRANS AM GT -1 of ONLY 2,000 made/ Only 128 made with a HURST 6-Speed Manual and 91 with T-Tops and Compact Disc/ K & N Filtercharger/Magnaflow Performance Muffler/Air Foil- ORIGINAL MINT Arctic White Ultra Rare SURVIVOR. DAYTONA 500 PACE CAR Decal Kit!
SOLD: 1989 Turbo T/A in 1991 it ran 12:18@115 mph
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06-30-2008, 04:47 PM
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#32
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Join Date: Jul 2007
Location: North Jersey
Posts: 345
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Quote:
Originally Posted by MonmouthCtyAntz
I thought shutting off your car and starting it up again uses more gas then being at idle. Yea I usually drive like that but luckily I only live 10 minutes from work and have an occasional 45 minute ride every few weeks. These gas prices are certainly keeping me away from getting another v8. I wonder how much its going to hurt the 5th gen maros. Still wanting something american and performance wise I think a srt4 is in my near future.
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My 2002 Trans Am Firehawk got me 18.58 MPG with mixed city, highway driving, A/C, with the occasional triple digit speeds and it still beats my 4.3 Liter ZR-2 Blazer that averages about 16.1 miles MPG.  Go Figure!!
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2013 Chevy Avalanche Black Diamond Edition, 5.3, K&N
CAI, Magnaflow Exhaust, Blackbear Tune, Ram Air Hood
1999 Jeep Cherokee XJ
1979 Pontiac Trans Am WS6, working on it
1990 Pontiac Trans AM WS6, Sold
2002 Pontiac Trans Am Firehawk ,#1368 Sold
1995 Pontiac Trans Am, Traded for Hawk
1979 Pontiac Trans Am,Black, Never had a chance
1979 Pontiac Trans Am,Silver, Oak Tree in my way
1979 Pontiac Trans Am Red WS6 sold
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