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Re: Engine Break in question
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The question is; will varying the speed (55-75) and perhaps moving in and out of tow/haul periodically, vary the RPM's enough to avoid "bad things" during the <1,000 break in period?
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Yes.
Stop-and-go city traffic is the best condition for breaking in a brand new truck. But if you hafta hit the superslab with a new truck, then here's how to do it:
1. Take every exit, baby the brakes as much as possible, then get right back on the superslab and go on down the road.
2. One goal is to maximize throttle-off deceleration, so do as much of that as you can safely do at each exit - using the brakes only when necessary.
3. Don't use cruise control for anything for the first 500-or-so miles.
4. Go about 5 miles or 5 minuites at each speed. Assuming a speed limit of 70 MPH, then your speeds
should be:
55
65
73
60
70
Do that in overdrive, then repeat the sequence in tow/haul mode, then back to overdrive.
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My Sierra Blanca is a '99.5 PSD CrewCab hot-rod Towing Machine! BTS tranny; TurboRamAir intake and 4" stainless turbo-back exhaust; DP-Tuner tunes flashed into an Edge Evolution tuner; ISSPRO EV gauges and TTM; AIC; SP-Diesel exhaust brake and torque converter controller. I special-ordered it new and plan to drive it until it quits.
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