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H/C gas mileage??

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Old 10-23-2006, 09:27 PM
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Default H/C gas mileage??

Hey all you head/cam guys...what are yall gettin for gas mileage?? (city and highway) Also, is that tuned or untuned??
Old 10-23-2006, 09:29 PM
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15-17 city
21-24 hwy

Tuned, A4 with 3.73s.
Old 10-23-2006, 09:38 PM
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~20 - 22 for me on average...

About 70% highway driving, 30% city...
Old 10-23-2006, 11:48 PM
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Hugger SS (HPTuners) T-56 w/ 3:42 gears
12-14 city
16-18 hwy

Arctic Z (EFI Live) Manual valve body A4 4L60 w/ 3:73 gears
8-10 city
14-16 hwy
Old 10-24-2006, 04:52 AM
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Originally Posted by orangeapeel
Hugger SS (HPTuners) T-56 w/ 3:42 gears
12-14 city
16-18 hwy

Arctic Z (EFI Live) Manual valve body A4 4L60 w/ 3:73 gears
8-10 city
14-16 hwy
What kind of converter on the Z? Looks like its killing the mileage.
Old 10-24-2006, 05:09 AM
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17ish city
25+ hwy

But thats if I just cruise lol. And that is with a very good tune
Old 10-24-2006, 06:53 AM
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18-20 City 25-29 Highway

That is with 3.42's and driving easy 1-3-5 shifts in the city and 70-5 cruise on the highway. Mashing the loud pedal drops it considerably.
Old 10-24-2006, 07:48 AM
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Originally Posted by BlackHawk T/A
What kind of converter on the Z? Looks like its killing the mileage.
TCI 3800 Nitrous rated.
Old 10-24-2006, 09:19 AM
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12-15 city
24-26 hwy

3.73's and on a SDOL tune.
Old 10-24-2006, 09:46 AM
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15-18 city 20-22 hway, m6 4.10s
Old 10-24-2006, 11:12 AM
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23mpg city
28mph highway

Tuned by ECS
Old 10-24-2006, 12:48 PM
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Originally Posted by eamador11
23mpg city
28mph highway

Tuned by ECS
u sure about that?? do vettes somehow magically get better gas mileage than f-bodies? Ive never heard of a stock ls1 gettin 23mpg in the city, much less a h/c ls1. doesnt sound right...but if u are gettign that, heres to u
Old 10-24-2006, 01:04 PM
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Originally Posted by Raise
u sure about that?? do vettes somehow magically get better gas mileage than f-bodies? Ive never heard of a stock ls1 gettin 23mpg in the city, much less a h/c ls1. doesnt sound right...but if u are gettign that, heres to u

My stock WS6 gets 24 all city when I am mostly easy on it. vette is a couple hundred pounds less so that seems doable. One of the biggest reasons I bought this car was for the performance/gas mileage combination.
Old 10-24-2006, 01:10 PM
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12-15 mpg city
24-27 mpg hwy
HPT and 3.42's
Old 10-24-2006, 01:15 PM
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People always react funny when I tell them I bought my car for gas milage too. Which, I actually did.

When Jason99t/a's red car was making 470 at the rear tires, it was getting over 30 mpg on the highway. That's hands down the most impressive mpg # I've ever heard of. It's also the result of hours and hours of drivability tuning on his car.

Ben T.
Old 10-24-2006, 01:22 PM
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19-20 city and 22 at 85 mph hwy on M6 400rwhp
Old 10-24-2006, 03:31 PM
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24-26 MPG Highway
15-18 MPG in town
both with normal driving habits
LPE Tuned
Old 10-24-2006, 03:36 PM
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15-17 city 26-28 hwy tuned
Old 10-24-2006, 07:23 PM
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Tuned by LG Motorsports, 10-15 city depending on my right foot. 30-34.5 mpg on the highway using cruise control 6th gear @ 80 mph. A lot depends on how clean my air filter is, the VaraRam sucks in everything and requires the filter to be cleaned quite often to maintain maximum air flow. My ud pully and electric water pump made the biggest difference on my gas mileage. 2 tanks of gas to go 1200 miles and had about 2 to 2 1/2 gallons in the tank when I got home from Lg Mototsports.
Old 10-24-2006, 07:29 PM
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I know someone will start calling bs, so I will say this, I drove back on April 1 st 2006 and virtually never had to hit the breaks. I used the cruise control and never got caught in slower moving traffic. Most of the drive was at night with little or no traffic. Drove straight through. Barely made it without falling asleep.



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