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#1
04-06-2004, 02:06 PM
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poor gas mileage
does anyone have any info on how to improve my gas mileage on my 2001 silverado 14mpg right know what can i do. does having 20" wheels bring your mileage down? let me know
 Thanks 
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#2
04-06-2004, 03:13 PM
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Re: poor gas mileage
Upgrade your air intake system with a Performace system, I just bought a K&N FIPK2 system last night and have been using a Drop in K&N filter, The K&N FIPK2 system will cost around $250, I am running a Cat-Back Flowmaster 20 series dual side exit exhaust and noticed better gas mileage after installing it. Hopefully I will have some free time to install my intake this week, I received a bit more performance after Removing my MAF screen as well. I plan on cleaning out my throttle body and linkage while I'm installing the new intake. The drop in K&N improved my throttle response and gas mileage better over the paper filter! they cost around $45 and are well worth it if the FIPK2 system is out of the price range. Hope this helps..
-Jimmy
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#3
04-06-2004, 11:50 PM
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Re: Re: poor gas mileage
Quote:
Thanks Fred
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#4
04-06-2004, 11:56 PM
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Dude only 14mpg. Don't punch the gas everywhere you go. I've got a 99 and still avg around 16-18mpg everytime.
__________________
*Under Construction - New sig to debut*
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#7
04-07-2004, 08:23 AM
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Re: poor gas mileage
I also have a 99 and I get about 16...if I drive like a grandpa, I may get a little better. I think the bigger tires I put on mine hurt it alot.
__________________
1998 ECSB Z71
Whelen LED's Kenwood 2-way "BIG 3" 2500+ watt audio 
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#8
04-07-2004, 11:01 AM
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Re: poor gas mileage
I would say right now my truck is getting around 16-17 mpg with the drop in.. hopefully tonight I will install my FIPK2 and Ill let you know if I get an improvement. Living a mile from work I dont really worry too much about great gas mileage I bought the Intake for more Power. With the drop in K&N I noticed easier acceleration on the highway and quicker take offs from a dead stop. Usually I drive like a grampa in my area due to living next to a State Police Barracks. they dont take kindly speeding.
-Jimmy
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#9
04-07-2004, 12:05 PM
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Re: Re: poor gas mileage
Quote:
__________________
*Under Construction - New sig to debut*
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#10
04-07-2004, 01:06 PM
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Re: poor gas mileage
Flowmasters will help. I put them on my truck (the picture below was taken 5 days before I had it done, so it still has the stock exhaust there) and they picked my mileage up by about 1 mpg. I went from always getting 17-18 to always getting 18-19. This is in the cold weather too, hopefully this summer it will get 19-20 regularly, lol.
__________________
**1966 Chevy II**  355 SBC, Turbo 400, 5.13 gear, IHRA Certified to 8.50 in the 1/4 Last Race (10-6-07) So its been awhile... Dial: 6.77, RT: -.0001, 60': 1.4360, 1/8th: 6.7942 @ 100.65 mph Fastest Pass of '07 (10-6-07) 60': 1.4360, 330': 4.3453, 1/8th: 6.7942 @ 100.65 mph 25 and in BIG TIME Debt Crew member #2  Deuce's Wild Racing: Take a Ride on the WILD SIDE 
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#11
04-09-2004, 08:10 AM
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I increased my mileage by almost 15% and I have a pretty heavy foot. My 01 has the 5.3 liter.
Removed the screen on my MAF, put on a Gibson cat back system dual side exit, and added a superchip processor. That was using a drop in K & N air filter. I have since added a MAC cold air intake system with an aluminum air tube and expect that I will see even better milage. Althought the throttle response I get on acceleration may just negate that improvement.  (note: MAC system is almost $100 bucks less than the K & N FIPK system.)I also adjusted my shift points to the max using the superchip. So we'll see how things go. In pure numbers... around town, went from 13.5/14 - 16.5. just my 
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