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fuel pressure

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Old 06-03-2012, 06:53 PM   #1
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Default fuel pressure

Im trying to figure out what pressure number i need to find out what size injectors ill need the motor is a 5 over ls1 manley rods manley pistons trick flow 220 heads vrx 5 cam fast 102/102 fast billet rails stock fuel pump and lines in a 99 ta? i know koeo pressure is 55-60 psig but do i use that number to figure the injector size or another number?
99 T/A ls1 .005 over Manley pistons & rods, TFS 220cc heads, VRX5 cam, slp hd oil pump & doubble roller timing chain, FAST 102, Nick Williams 102 tb, Texas speed 100mm maf, built 4l60e, 3500 stall, pace setter LT'S, LM2, 3:73 GEARS
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Old 06-04-2012, 12:49 AM   #2
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58psi (4 bar)

That is the nominal pressure generated by your pump, and the number you should use.
'99 C5 NA TSP 441 LS7 - 1 7/8" Kooks - Halltech -NW102 -FAST 102 - McLeod RST - DSS 3" driveshaft w/DSS poly couplers - TR6060 w/C6 Z06 diff - tuned by Doc @ EFI Alchemy
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