As boost pressure increases in the manifold, the MSD Booster will increase the voltage to the electric fuel pump to maintain the fuel volume. The amount of voltage is adjustable with a potentiometer from a range of an additional 1.5 volts to a maximum output of 22 volts over a range of 5 - 30 psi.

From:	nick_elbasr	(Thu 09 Apr 2009 11:11:38 PM EDT)
http://www.message_trlioudar.com/