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01-24-2011, 04:03 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, 04:25 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.
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01-24-2011, 04:44 PM #13
stock was 245's, so 285 would be 4 mph difference?
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01-24-2011, 04:53 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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