Ian. Posted March 16, 2015 Share Posted March 16, 2015 Need to start thinking about the fueling setup for the Zupra, what would people suggest for 700hp? Is it better to go with a single high flow intank pump or go for a couple of externals? Car will have a forged engine & single turbo. Already have Sard 800CC injectors and a whifbitz fuel rail Link to comment Share on other sites More sharing options...
Chris Bailey Posted March 16, 2015 Share Posted March 16, 2015 (edited) Walbro 450LPH will flow enough fuel for 700bhp, might be worth upgrading the fuel lines and a bigger fuel filter aswell. I'd imagine at 700bhp you'll be pushing those 800cc injectors to there maximum duty cycle. Edited March 16, 2015 by Chris Bailey (see edit history) Link to comment Share on other sites More sharing options...
Gpro Posted March 16, 2015 Share Posted March 16, 2015 You will probably need twin fuel pumps, a single 450lph maxes out around 710hp and fuel pressure starts to drop, combine that with 800cc injectors your maxed out. But other variables play a roll here too, like what boost would you be running? bosche 044 flow really well at high boost. Link to comment Share on other sites More sharing options...
Luxluc Posted March 16, 2015 Share Posted March 16, 2015 Walbro 485 Link to comment Share on other sites More sharing options...
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