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04-25-2014, 09:34 PM
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#1 |
 Drives: 2011 Cyber Grey 1SS/RS A6 Join Date: Aug 2011
Location: Needville TX
Posts: 228
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Injector upgrade
So Pat G told me "You were at 98% injector duty cycle at 6600 rpm on your dyno runs. You could benefit running some slightly bigger injectors."
I have the Seimens 64 lb @ 43.5 psi 3bar that came with the a whipple. What would/should I upgrade to?
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Whipple, GT9 cam, LS3 conversion, ZL1 pistons, ZL1 rods, Circle D converter, Stage 3 trans, Tuned by Pat G, CAI inc, TPS headers, posi mod, Dynomax bullet cat back, VMAX TB, ADM Scoop, RX catch can, Eibach prokit plus, Eurotek Mesh 33 wheels, P13w DRLs, Pioneer/Massive Audio/Vibe/JL interior goodies.
613 RWHP/596 TQ |
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04-25-2014, 09:54 PM
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#2 |
   Drives: 2011 2SS Convertible Supercharged Join Date: Nov 2010
Location: WI Cert Welder Navy NSSN
Posts: 1,157
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ID 850
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04-25-2014, 10:43 PM
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#3 |
      
Drives: 2009 ZR1 Join Date: May 2010
Location: KCMO
Posts: 3,205
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ID850s. They will give you plenty of room to grow.
Your 64 lb injectors flow 73.9 at 58psi (which is what the Gen V camaros are at stock so unless you have bypassed the FPCM that is where you should be) |
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04-25-2014, 11:18 PM
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#4 |
  
Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,091
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Ive got the 60lb Seimens that came with my Paxton and Im at 97ish% too with 600rwhp. Going with FAST 85lbs soon since my tuner don't mind them.
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Retired wanna be cylinder head porter
2015 2SS 1LE Clutch reservoir, Vararam DRX, ported TB, TSP 2" headers, MGW shifter, stage 4 cam and Wilkes 11° 65cc heads Totalled: 2010 1SS Wilkes Performance/Eagle 416 shortblock, TSP custom valvetrain, PRC 260 heads, Edelbrock Pro Flo 102, th400 swap, 8" PTC 5500 stall= 535/435 at the wheels tuned Gen 3 Performance and Dyno 10.97 @ 124 full weight in 3100 DA CamaroFest X |
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04-25-2014, 11:52 PM
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#5 |
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Drives: 2011 2SS Join Date: Jun 2013
Location: Kansas City
Posts: 997
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Ultimately just go with an injector that your tuner is happy to tune with if he says he doesn't mind I would consider the fic injectors they are better priced than ids and very similar injector and they do have injector data that they will send I have them in my car and very happy with them
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2011 2SS,fti th400, ECS 1500, Flex Fuel, Boost built 376, squash fuel system
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04-25-2014, 11:54 PM
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#6 |
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Save your money and look into FIC injectors. I'm running FIC 60lb and at 70% at 630rwhp. I was at 90% before I upgraded my fuel system.
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04-25-2014, 11:57 PM
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#7 |
Drives: 2010 ZL550& 2021 C8 Z51 Join Date: Feb 2010
Location: Near Philadelphia
Posts: 1,583
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ID850's
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04-26-2014, 12:01 AM
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#8 |
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Drives: 2011 2SS Join Date: Jun 2013
Location: Kansas City
Posts: 997
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Are u running the stock fuel system ? If your pump is not keeping up it will make your injectors run at a higher duty cycle might not be an injector problem 64 # at 3 bar I am pretty sure will handle that hp there is several calculators out there that u could verify with
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2011 2SS,fti th400, ECS 1500, Flex Fuel, Boost built 376, squash fuel system
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04-26-2014, 12:29 AM
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#9 |
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Drives: 2011 Cyber Grey 1SS/RS A6 Join Date: Aug 2011
Location: Needville TX
Posts: 228
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Stock pump with the BAP that came with the Whipple. I thought about upgrading the pump as well. ZR1 or is there a better option?
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Whipple, GT9 cam, LS3 conversion, ZL1 pistons, ZL1 rods, Circle D converter, Stage 3 trans, Tuned by Pat G, CAI inc, TPS headers, posi mod, Dynomax bullet cat back, VMAX TB, ADM Scoop, RX catch can, Eibach prokit plus, Eurotek Mesh 33 wheels, P13w DRLs, Pioneer/Massive Audio/Vibe/JL interior goodies.
613 RWHP/596 TQ |
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04-26-2014, 05:47 AM
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#10 |
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Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,091
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I'm running LPE twins and still over 95% lol.
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Retired wanna be cylinder head porter
2015 2SS 1LE Clutch reservoir, Vararam DRX, ported TB, TSP 2" headers, MGW shifter, stage 4 cam and Wilkes 11° 65cc heads Totalled: 2010 1SS Wilkes Performance/Eagle 416 shortblock, TSP custom valvetrain, PRC 260 heads, Edelbrock Pro Flo 102, th400 swap, 8" PTC 5500 stall= 535/435 at the wheels tuned Gen 3 Performance and Dyno 10.97 @ 124 full weight in 3100 DA CamaroFest X |
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04-26-2014, 06:15 AM
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#11 |
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PHAT B33
Drives: 2012 TF3 Camaro 2SS/RS M6 Join Date: Jun 2012
Location: Dark of the Moon
Posts: 1,460
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FIC 95's here but the corn needs 30% more fuel than pumpgas. ID doesn't make a shorty 1000 or I would have replaced the 850's with that. 1300's were way to pricey.
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Another 1 of 371 '12 T3 LS3 M6's built.
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04-26-2014, 07:35 AM
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#12 |
 
Drives: 2011 Camaro SS/M6 Join Date: Dec 2013
Location: Pennsylvania, 15909
Posts: 180
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Id 850's and be done
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2011 Ls3. Slp TSV2300. 8PSI. 3.4 Pulley. Livernois Twin Fuel Pump. Id850 Injectors. Slp 1 3/4 headers. CAI Cold Air Intake. 3inch exhaust. V-Maxx portted throttle body. Night Fury cam. Lpe 391 gears. Fj performence tune. 643rwhp 574rwtq
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04-26-2014, 08:08 AM
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#13 |
Drives: Silver 2010 SS Camaro Join Date: Jul 2009
Location: TN
Posts: 2,562
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I'm running ADM twin pumps with ID 850's and doing good at 740rwhp. Go with the ID850's best out there!!
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MODS:
ADM built 417, 2.9L Whipple with 3.250 pulley, ADM ported and polished LSA heads,ADM stage3 cam,ADM LSA belt drive system,ADM CAI race scoop, ADM dual fuel pumps, ID 850's, BMR full suspension, Gforce 9 inch kit with 3.5 inch driveshaft, Street Slayer twin carbon clutch, Lingenfelter oil seperator. Tuned by built by ADM Performance, 763rwhp,705rwtq |
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04-26-2014, 09:02 AM
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#14 | |
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