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Thread: Headers/ Gas Mileage
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04-13-2006, 03:43 AM #1
Headers/ Gas Mileage
Hey all,
First off its no news that we get poor gas mileage, i'm getting now on average 18-20 mpg (not terrible, my old 'stang was gettin 16). I'm gonna be puttin on some LT's in a few weeks, i've heard mixed feeback as far as gas mileage. Some say If i drive the car normally I could gain a mile or so per gallon, others say I'll be putting gas in every two days....
What does everyone think?
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04-13-2006, 04:56 AM #2
- Join Date
- Dec 2002
- Location
- n/w chicago
- Age
- 54
- Posts
- 6,932
black- 2000 nhra edition formula
driving style is what could make youre mpg take a shit.
i didnt notice any worse mpg after headers2000 nhra edition formula
a few bolt ons, 379 rwhp
11.96 @113.25
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04-13-2006, 05:16 AM #3
- Join Date
- Aug 2005
- Location
- Commerce Ga
- Age
- 47
- Posts
- 4,994
Black, Blue- 07 TBSS, 07 GSXR1000
I agree driving style makes or breaks gas mileage. With all my mods and 4.10's my mileage only went down a little more in the city but highway mileage wasn't really affected that much.
3 inch Chambered Catback.
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04-13-2006, 06:44 AM #4
- Join Date
- Aug 2005
- Location
- Pittsburgh, PA
- Age
- 42
- Posts
- 21,720
My life is a- Ben Stiller movie.
are we talking on an LS1? stick or auto....b/c 18-20 on an ls1 sounds like it's tune-up time after the header install
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04-13-2006, 07:30 AM #5Originally Posted by dipherentdesign
City/Hwy average 20mpg
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04-13-2006, 05:31 PM #6
- Join Date
- Dec 2005
- Location
- NC
- Posts
- 163
- 4 cyl colorado
30,000 miles without headers averaged 21.5mpg. 7,100 with headers averaged 21.6. No difference really.
'73 Plain Jane Camaro, Gen III, T56
'02 WS6, M6
All gone but not forgotten
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04-15-2006, 06:06 AM #7
ive got a 99 ws6 and im doin about 19/20 mpg. its got 100k miles tho
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