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Ronzi · 11-23-2005, 09:37 AM

The early Boxes had a traction control option "to maintain maximum traction during acceleration", which included "an automatic brake differential (ABD) and an anti-slip regulation (ASR) to minimize tire slippage."
The ASR activated at engine start-up, but could be turned off, leaving the ABD in operation. "In this mode, the Boxster behaves like a vehicle with conventional limited slip differential", although it functioned in this mode only up to about 62 mph.
All this from the Boxster introduction book published in '96.
I supposed this has all morphed into the PASM on the newer cars.

11-23-2005, 09:37 AM	#4
Ronzi Registered User Join Date: May 2004 Location: Denver CO Posts: 748	The early Boxes had a traction control option "to maintain maximum traction during acceleration", which included "an automatic brake differential (ABD) and an anti-slip regulation (ASR) to minimize tire slippage." The ASR activated at engine start-up, but could be turned off, leaving the ABD in operation. "In this mode, the Boxster behaves like a vehicle with conventional limited slip differential", although it functioned in this mode only up to about 62 mph. All this from the Boxster introduction book published in '96. I supposed this has all morphed into the PASM on the newer cars. Last edited by Ronzi; 11-23-2005 at 09:40 AM.