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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="Morgan@Midwest Diesel & Auto, post: 1448573, member: 8143"] Whenever you run a tall tire like that without a gear swap, a trans tune that holds the gears longer is needed no matter what turbo you have. Remember, your speedometer cannot even be corrected to that extent. So 60 mph your probably actually going 65 or so. At cruising speeds you do not want it to lock into 6th and lug the engine down to 1500 or less. You cannot pull the truck back up to speed when passing from that rpm without a downshift. For guys with taller lifted trucks and have not re-geared to get back to the proper ratio, proper tuning can bridge the gap. Sent from my iPhone using Tapatalk [/QUOTE]
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Feedback from people that have installed the streetmaxr 65.5 turbo and 37" tires.
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