Join Date: Dec 2009
Location: surfing, spearfishing, using my powerstroke to tow boats to the river!
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How to tell what gears I have?
Hey guys, I bought my truck used and it already had a 6" lift on 37s. I'm curious what gears I have on my truck and want to know if the prior owner switched them from stock. I haven't gotten a programmer yet so my speedo hasn't been calibrated for the larger tires. When my speedo says 55mph I'm down around 1550-1600rpms. And when my speedo says 55mpg I'm actually going about 60mpg calculated by gps. Anyone have an idea of what I've got? Also, if I pull the rear cover off how do I go about calculating my gearing? Thanks!!!
'05 f350 FX4 CCLB
6" pro comp lift w/Fox shocks
37"x13.50"x20" pro comp Xterrains
4" MBRP turbo-back w/cat delete
Airaid cold air intake
Bulletproof diesel egr cooler and oil cooler
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