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Old 08-07-2008, 08:45 AM   #2 (permalink)
Joe G.
Diesel Freak
 
Join Date: Apr 2007
Location: Eureka, CA
Posts: 824
The lift pump on a 12 valve is mechanical, not electrical like the later 24 valve lift pumps. You can get a lot of power out of a 12 valve using the stock lift pump.
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KDP tab fix info and fuel system article jgeorge1@suddenlink.net '95 2500 CC auto 4X4,3.54,Combo EGT/boost guage,PacBrake,TST #5,370 injectors,DTT TC/VB, Cummins chrome kit.
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