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07-20-2015, 01:54 AM
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In the Forgotten far North.
 
Join Date: Jul 2007
Location: Anchorage, Alaska
Posts: 2,627
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New Rear End Gears
Taking Big Red ('87 R3500 Crew Cab Dually 454 TBI TH400) into Young's Gear tomorrow to get new gears put in the rear axle.
Out with the O.E.M. 4:10's (gas mileage around 7.5 in town & 11 highway) And in with 3:54 gears from DANA/SPICER CORP. Also installing a GEAR VENDOR'S OVERDRIVE UNIT that'll drop the final drive to 2:77 when engaged. I'll be taking it for a nice long drive to Soldotna, Alaska this next weekend. I'll report back on the gas mileage & performance when I get back home.
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1987 R3500 CREW CAB DUALLY (BIG RED)Acquired 06/12/2015 1990 chevy suburban V2500 5.7L My cluster Mods-Nov 2007 overhead console Stereo install Round 2 Aug 2009 Heated/turn signal mirror upgrade |
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