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Power Strokes
6.7 Aftermarket
Feedback from people that have installed the streetmaxr 65.5 turbo and 37" tires.
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[QUOTE="peont, post: 1446672, member: 13914"] This tune I am running now won't shift into 6th until around 68/70 mph area for my truck and when you get around 63mph area it drops back down to 5th gear. This tune for sure keeps this turbo out of compressor surge, the truck from shifting gears early, and very responsive. Another reason for me looking back into regearing the truck besides running 37" tires is before I put a muffler on the 5" exhaust it was so loud in the cab staying in gears so long and being in 5th gear all the time doing the 55mph speed limits here in Louisiana got really annoying. So I made a spreadsheet that I attached calculating the rpms trying to the rpms close or just a little higher to what the stock setup was for my truck. I didn't put 3.73 gears on the spreadsheet because it was still under what stock the rpms were for my truck. It looks like 4.11 gears maybe the gears I am going to go with to get close to stock rpms. Anyone running 4.11 or 4.30 gears with 37" tires and streetmaxr? I want some input of anyone running them gears before I pull the trigger. [/QUOTE]
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6.7 Aftermarket
Feedback from people that have installed the streetmaxr 65.5 turbo and 37" tires.
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