27 does seem awfully high in a V8 full size truck but when I had my 2.2L 5-spd Sonoma ECSB I got 36 MPG highway with a dirtbike in the bed, two people in the truck, and a bunch of gear.
2000 GMC Sierra 5.3L 4x4 ECSB
2000 ECSB 6.0L
TORQUER V2 CAM ● COMP 918's ● 7.4 HARDENED PUSHRODS ● K&N SERIES 77 CAI ● 80mm BBK ●PACESETTER LT HEADERS AND 3'' ORY ● SUPER 40 FLOW ● 3000 STALL ● 4.10s ● BUILT 80e ● VORTEC PERFORMANCE TUNE ● MSD 8.5mm PLUG WIRES● ELEC. CUTOUT ● UD & ALT PULLEYS ● FLEX-A-LITE E-FANS ● 22" CENTERLINE STINGRAY III's ● LUND FIBERGLASS TONNEAU ● 2" LEVELING SHACKLES ● 12K HID LOWS & FOGS ● LEDs ● DEBADGED ● WHITE-FACED ESCALADE GAUGES ● KICKER 450.1 ● 2-CVR 10's ● DS60's ● K693's
im guessing about 10 mpg now![]()
Oh yeah well mine traveled 10-15miles today and didnt use a dopr of gas!......too bad it was on a trailer![]()
03 yukon xl:intake, longtubes ory,performabuilt lvl2,circle D 278,tune, tint, lt1 fans
92 z28: lb9 air foil vette servo magnaflow catback adjustable pan hard rod Lcas lcarbs
86 trans am: lm7 hot cam th350 3500 stall
Mine gets amazing mileage if I throw it into neutral and turn the key off
2006 SilveradoLittle Black Bitch
going 70-90mph too.
whats gas mileage lol!!!
have no idea and dont really care hahahaha
ok ok the malibu maxx gets 34-36 hwy, dats what dat dash thing says anywayz lol
Simple: 408 on steroids!
single digits coming soon!
i average 17-19 in town at 25% throttle(normal for me) and 22-25 on highway with CAI, LTs, perfectly inflated tires*, and 1.75:1 rockers. oh and a ported and polished 78mm TB
[IMG]https://images.app.goo.gl/XLfskemekXBo5VfS7/IMG]
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