Thanks.
I've got to take the truck back to the dealer (leaking transfer case seal), so I'm returning to stock again. Just for comparison purposes. Oddly, when I returned to stock yesterday, I noticed that my speed now matches my GPS. I have 275/70-18's vs the stock 275/65-18's and it was always off before. Makes me think, the tech made an adjustment. I'm going to hook up my autotap software and see if the tire size is still listed at 650 rev/mile. If they tweeked the size, that might explain why it took longer to program from stock vs previous times I programmd from stock to custom.
Ah, who knows...
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Henry
2011 F150 FX4 5.0, 3.73...
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Tue, September 21st, 2010, 05:35 AM
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