Lingenfelter L710660504 Lingenfelter Pontiac GTO Fuel Pump 2003-2006 v4.41 - Manual (Page 18)

L710660504 GTO fuel pump upgrade v4.41.indd
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1557 Winchester Road
Decatur, Indiana 46733
260 724 2552 phone
260 724 8761 fax
www.lingenfelter.com
Many other items are available from LPE for your 2004-2006 Pontiac GTO, including low tempera-
ture thermostats, camshafts, supercharger kits, CNC ported cylinder heads, engine packages, ported
throttle bodies, and port matched intake manifolds. Contact LPE, visit our web site, or contact your
LPE distributor for information about our many other products.
The fuel flow of this pump kit can be further enhanced with the use of a fuel pump voltage
boosting device like the Kenne Bell Boost-a-Pump. The Boost-A-Pump is available through
Lingenfelter Performance Engineering. The normal and boosted output of the pump is shown
in the following table (Table 1).
Pump voltage Flow (at 400 kPa/58 psi)
Pump Vdc Liters/hr Gallons/hr
Stock GTO 12.0 150 40
Stock GTO 13.5 175 46
GSS340 12.0 190 50
GSS340 13.5 230 60
GSS340 16.0 285 75
GSS340 17.0 300 80
*Durability of the stock pump under continuous use at elevated
voltages has not been tested and is not recommended.
Table 1
The TI/Walbro GSS series fuel pumps have been durability tested at elevated voltages for in
excess of 500 hours of continuous operation.
With a fuel pump voltage boosting device, you only run the pump at the higher voltage when
the additional fuel flow is needed. For naturally aspirated and nitrous applications, the
elevated voltage mode can be triggered with a vacuum switch or with a TPS switch. On boosted
applications (superchargers and turbochargers) the elevated voltage can be triggered with a
pressure switch.