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Thread: Silverado 5.3 Gas Mileage
09-14-2012, 04:06 PM #21
It's not hard, like we told Riley a couple months ago dont be the loud guy and dont draw extra attention to your self, listen closely to what your instructors say and try to do exactly as they say it.
After boot camp and "A" school it'll all be worth it.
09-14-2012, 04:14 PM #22
I would be happy if I got 17-18 with my 5.3L that 4.8L is a tiny engine and can't really do much ( no towing power ).
09-14-2012, 04:53 PM #23
I'm happy getting 14-16 in mine in the winter (winter mix) and 13-15 in the summer (summer mix). It's darn close to stock and given the lift, tires, gears, etc ... it's very acceptable.
09-14-2012, 05:23 PM #24
If at first you don't succeed, get a bigger cheater bar.
1999 GMC Sierra SLT Z71 | 5.3 "Vortec" | Spectre "Cold Air Intake" | TransDapt TBS | Hypertech 30005 Tune | 2005 Chevy Tail Lights | Denali headlights | Grill Mounted Fog Lights | AWS Bug Shield | 265/70/16 Futura Scramblers | Boss HD Speakers | 2005 Overhead Console | Flowmaster Super 40 mufflers 2N1O | Mostly stock-ish
Bigger Amp Alternator | Electric Fans | Transmission Fluid cooler | Paint (Halfway there)| Interior Restoration/Upgrade with newer model parts | Window Visors (In channel) | Tint | Low-Profile Tool Box | LEDs throughout stock cab locations (68% Done) | And whatever is spurr of the moment
CVN-69 "IKE-ATRAZ" AIR/V-2 Gear Dawgs
09-14-2012, 10:00 PM #25
I'm getting 15/17 city and 19/21 highway which was advertised on the window sticker when I bought it, thats great mileage to me considering my last truck got 14/15 no matter where I was driving it.
09-15-2012, 04:09 AM #26
09-15-2012, 10:10 AM #27
09-15-2012, 07:40 PM #28
I wonder if they merged my rate with YN? I know there was talk about it and it would make sense because AZ does YN job as well as the aviation specific stuff too. Wouldn't surprise me if they merged it into PS or PN...whatever personnelmen are called lol. I like the idea of merging certain rated like they did with DT and HM though.
09-17-2012, 09:17 PM #29
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I don't know how you guys do it! My 09 w/4.8ltr. was getting 15mpg average till I put 20" wheels on it. It has a 2" lift with hedders & K&N cold air intake. I have as Edge programer and when it's set to performance (running preminum) it gets 12 if I'm VERY careful. Never did see the 21 mpg dealer promised!
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I have a 4.8 with a gearvendor 2spd gearbox and I have no problems towing.
09-18-2012, 08:08 PM #30
Damn, I wish I got that much with my 5.3.00 Chevy Tahoe LT, 5.3 4x4
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