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**Richard** · 07-07-2020, 02:20 AM

High amperage draw with the aftermarket pumps is only one reason I chose to use a factory PWM pump for my LS swap.

07-07-2020, 02:20 AM	#6
Richard Senior Member Join Date: Dec 1999 Location: Southern California Posts: 2,704	Re: Walbro 450 with factory EFI hanger PSA High amperage draw with the aftermarket pumps is only one reason I chose to use a factory PWM pump for my LS swap. __________________ Richard 1972 K10 Custom Deluxe SWB Fleetside My build https://67-72chevytrucks.com/vboard/...d.php?t=800746