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Juiced1 · 02-03-2019, 11:21 AM

I believe the LPE injectors do a bit better with lower pressure numbers on the high side. The LPE high side pump isn't designed to put out as much pressure as the LT4 (it flows more fuel at a lower pressure). 70-100psi on the low side won't directly affect the injectors but it will help the high side keep pressure up in the range it needs to be for the injectors. The FIC's flow 30% more across the board. So if you can keep your high side up around 3000psi you can cover significant power.

02-03-2019, 11:21 AM	#6
Juiced1 Account Suspended Drives: 2012 2SS CAMARO 45th Join Date: Apr 2011 Location: St. Charles, IL Posts: 18,648	I believe the LPE injectors do a bit better with lower pressure numbers on the high side. The LPE high side pump isn't designed to put out as much pressure as the LT4 (it flows more fuel at a lower pressure). 70-100psi on the low side won't directly affect the injectors but it will help the high side keep pressure up in the range it needs to be for the injectors. The FIC's flow 30% more across the board. So if you can keep your high side up around 3000psi you can cover significant power.