Re: ABSing

["Ryan Moore" <baradium@xxxxxxxxxxx>]

----- Original Message ----- 
From: "J Grammer" <jim@domain.elided>
To: <ihc@domain.elided>
Sent: Sunday, June 08, 2003 21:56
Subject: ABSing


<snip>
>
> Yup, and a very interesting setup. A 'reverse' operating power booster
that
> looks for all the world like an old style remote Hydravac, used to reduce
> the line pressure to the rear brakes when the 'brain' sees the rear
> wheels(tone rings on the axles) going slower than the road speed of the
> truck would indicate.
>
> Looks like it would have been a pricey option, lots of extra 'stuff' for
> the install.
>
> Jim
>

How does it measure road speed?

Also, wouldn't that mean that you'd have problems if you ever put different
sized tires on?

-Ryan