Original Message-----
From:   Bulley-Hewlett & Associates

>If you REALLY want
>to slow down using the motor, shut off the ignition (leave the key in),
and
>open the throttle completely.

then turn the switch on & off while in tunnels... great backFires... I blew
a muffler off my old bug doing these kinds of stunts as a kid....

'cept your FI van won't typically backfire, as the FI is off when the
ignition is off. Unburned fuel in the exhaust system is what causes the
type of backfire you describe. A carbureted vehicle *can* suck fuel in from
the acceleration pump if'n you were to try this, and turn the ignition on
and off.

gmbulley@bulley-hewlett.com
Bulley-Hewlett & Associates
www.bulley-hewlett.com