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07-10-2020, 09:51 AM
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#29 |
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fo'shizZL1
Drives: 2017 ZL1 Join Date: Aug 2017
Location: ATL
Posts: 1,281
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I think I see where you're going now. To add to the above, the ECM and FPCM compensate for manifold pressure to maintain desired fuel pressure at the injectors, kinda like a boost referenced regulator on a return-style system.
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2017 ZL1 M6 Black | Maggie 2650 // 103TB // Big Gulp
Past Rides- 2014 ZL1 M6 Red Hot | Tons of mods 2004 CTS-V M6 Silver | Many mods 1995 Corvette M6 Torch Red | A few more mods 1992 Camaro M5 White | A few mods |
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07-10-2020, 09:18 PM
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#30 |
 
Drives: 2011 SS Join Date: May 2020
Location: Ontario
Posts: 25
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Ah ok that helps. I recently bought the car and am just trying to learn how this works before I start mods.
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07-12-2020, 11:46 AM
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#31 |
 Drives: 2013 ss2 vert l99 Join Date: Apr 2017
Location: South florida
Posts: 150
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Fuel pressure doesn't have to rise with boost on these cars.. the ecu calculates the pressure differential across the injector and adjustable pulse width accordingly.. you do however want good fuel pressure as spray patturn will suffer with low fuel pressure.
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07-12-2020, 06:20 PM
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#32 |
      Drives: 2011 Camaro SS 6sp Join Date: Nov 2016
Location: Drivers Seat
Posts: 1,904
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But alot of people convert to return style fuel systems with a boost referenced regulator, when you have greater fueling demands.
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2011 Camaro SS---SOLD
TMS Dart 427 FED M311s, ESS Tuning G4 Blower, DSX Triple FP Assembly, DSX FF, FIC1300, Mcleod RXT 1200HD, Edlebrock Pro Flo XT 1158whp 1017wtq. 2010 CTS-V A6 - "Stock" SOLD 630whp 658wtq 2024 F-150 RCSB 5.0 4x4 waiting for tunes... |
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07-16-2020, 07:47 AM
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#33 | |
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Drives: 2013 ss2 vert l99 Join Date: Apr 2017
Location: South florida
Posts: 150
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