Depends on how strong the box is, and how weak the clutch(s) are.
When my clutches were bad, I could float 3-500RPM of slippage in 5th without zinging the Allison if I was quick enough to release the pedal. The Allison/GM software is able to detect slippage much more precisely than the driver though, and will often punt without you knowing it slipped.
With the ZF, you don't have the management, so you need to detect it all yourself. You may not see it in the tach, or hear it until it has done permanent damage, so take it easy...Edited by: Kennedy
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