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View Full Version : actual rpm allison shifts @ WOT


mtomac
05-13-2003, 09:54
@WOT my truck shifts at 3200-3300 rpm (just before the shaded red on the tach). Does anyone know exactly what rpm the Allison is shifting?
Kennedy
05-13-2003, 10:38
The Allison shift map is based on OSS (output shaft speed) and not engine RPM...

[ 05-13-2003: Message edited by: kennedy ]</p>