Скачать или смотреть How to get your 4 speed 4L60 to shift during WOT using HP Tuners 4.X software

Why your 4 speed Automatic transmission will not shift at wide open throttle (WOT). This short video will show you how to fix that issue using HP Tuners software.

0:30 Please avoid some of these common pitfalls when tuning the 4 speed
0:52 For illustration purposes we will look at a 2001 TransAm file
1:00 Two things determine when this transmission will shift...
1:15 the first one is based off...
1:30 What RPM do you want to shift at?
2:00 Common problem occurs when you change gear and tire size.
2:15 When this happens the car won't shift and will hit your rev limiter.
2:24 Be sure your rev limiter is set at a safe limit

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