That is true, I use the Holley dead end regulator. If you want to run the fuel pump all the time, you might want to consider a by pass regulator system which allows the excess fuel to circulate back tot he tank and avoid possible overheating of the pump. Bill Huff At 12/29/200704:45 PM, Ryan Hill wrote: >An added note on Holley (and any aftermarket electric fuel pump). >Most of these pumps operate at a higher pressure than your stock >pump and are intended to be used in conjunction with a fuel pressure >regulator. In many cases the pump pressure can overwhelm the needle >and seat valve and flood the carburator while idling or while the >engine is off. Keep this in mind when priming the fuel line or >leaving the pump on while driving.Ryan [Non-text portions of this message have been removed] To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Chrysler300/join (Yahoo! ID required) <*> To change settings via email: mailto:Chrysler300-digest@xxxxxxxxxxxxxxx mailto:Chrysler300-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/