Results 11 to 14 of 14
01-24-2011, 05:03 PM #11
Would you loose much fuel mileage going from 265's to 285's? I was looking at the exact setup.Adam2004.5 CCSB DuramaxMax Effort Tuning by Idaho Rob - Goerend Transmission - PCV ReRoute - EGR Blocked - Plugged Resonator - 5" Diamond Eye Turbo Back - Tie Rod Sleeves - All On Mod - Edge Insight CTS - Recon Taillights, Cab Lights, & 3rd Brake Light
01-24-2011, 05:25 PM #12
Remember your speedo will be off. you will be driving roughly 62.2 mph when the speedo reads 60.
Heres the link for the info.
2004 Silverado 2500 Crew Cab 4x4, AMSOIL EA air filter, Granatelli MAF sensor, Throttle body spacer, Magnaflow exhaust (true dual to 2 in 1 out muffler), 6" ProComp lift (add a leaf and 5" superlift rear block), Bilstein shocks, 35's (Cooper Disoverer ST) and 4.10 gears, Rhino Liner, EGRUSA fender Flares and widow visors, extended stainless steel brake lines, firestone airbags w/onboard air compressor, Pioneer Avic X940BT navigation, Accel backup camera.
1960 Land Rover Series II 88
2002 Nissan Altima (My Commuter)
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01-24-2011, 05:44 PM #13
stock was 245's, so 285 would be 4 mph difference?
2004 Chevy Silverado 2500HD:sign0011:
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01-24-2011, 05:53 PM #14
your right I was putting in the OP's stock size of the 265's not our trucks 245's. didnt notice he had the 2500 when he said exact setup I just assumed.
going 64.7 when reading 60
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