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Old 08-01-2020, 10:38 PM   #1
Pearlj10
 
Drives: 2011 Camaro 2LT
Join Date: Oct 2018
Location: Az
Posts: 142
Boost-a-pump on LLT?

I’m SC-ed and running out of fuel at about 6100 rpm. Can anyone confirm that a JMS FuelMax or other fuel boost-a-pump will work with the LLT pump and FSCM? If so, is the tap wire on the FSCM the same color/amp as SS (red/white wire with 30 amp fuse)? Thanks
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Old 08-02-2020, 02:38 PM   #2
DSX_Camaro

 
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Drives: 2013 SW 2LT/RS LFX/AY6
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Location: Orlando, FL
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ZL1 fuel pump for the tank. But how much power are you making? If you're on a smaller pulley over 10# you're gonna run out of fuel with the HPFP. Might be able to use LF3 or LF4 injectors and high pressure fuel pump?
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Old 08-02-2020, 09:59 PM   #3
Pearlj10
 
Drives: 2011 Camaro 2LT
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Thanks for the reply. I was pulling 362 rwhp just shy of 6000 rpm and 9.5 lbs of boost. Running Overkill Stage 1, which is supposed to be 8-9 lbs of boost max. Tuner thought I’d max out at 12-13 lbs of boost and around 400 rwhp. The boost seems really high to me, and that’s with a 3-7/8” upper pulley. I can’t run a boost-a-pump on the LLT? If not, I’ll go with the ZL1 pump. Tuner thought that factory injectors should be adequate (?). My fuel pump is dropping from 1800 psi to around 800 psi at 6100 rpm.
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Old 08-03-2020, 07:57 AM   #4
bill522
 
Drives: 2014 LS Camaro
Join Date: Jan 2019
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ZL1 fuel pump will help a lot, and you may want to explore the larger injectors that Will has used on some other builds ( #119 I think ?), and get the LF4 HPFP, which will also help. The problem with a boost-a-pump is that you are putting a bandaid on a larger problem ( dependable fuel supply). I am at 525+ to the wheels , but had to change to larger injectors, LF4 HPFP, methanol direct injection, and a change to an Aeromotive Camaro Eliminator Fuel System with Fuel Speed Controller to get there $$$$$. (2014 LFX V-6 Camaro)
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