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2023_ZL1-AUTO · 04-21-2025, 05:48 AM

I and a few others at 750+rwhp on the forum run the Katech dual drop in and module. There are other fine pumps to select as well. Not seeing all your mods in detail, but, sounds like you may be at similar point I was at with my build once. I was maxing out on fuel, but the car had more to give then stock fuel pump and my JMS Fuel Max couldn't keep up with. I ran E60 mix with no issues. But, after installing an upper and lower pulley and having my blower Kong X Port done, I was way out of fuel to run any E mix. So, I had a Katech dual fuel pump installed, THSPI Port Injection, am 18% lower pulley and a few other misc. items. Now, I'm running straight E85 and have more fuel than I can use with out installing a CAM. After the drop in fuel pump, you should not need the AUX pump any longer. Mike at Katech is a good contact to have. I also noticed your are less than 2 hours form CSP Racing. Maybe give Andrew a call and see what he says too?

Here is a like to the Katech pump:

https://katechengines.com/i-30498292...ontroller.html

Here is a link to my build thread:

https://www.camaro6.com/forums/showthread.php?t=611982

04-21-2025, 05:48 AM	#3
2023_ZL1-AUTO Drives: 2023 ZL1 - Beast Build Join Date: Dec 2022 Location: Columbus, Ohio Posts: 1,268	I and a few others at 750+rwhp on the forum run the Katech dual drop in and module. There are other fine pumps to select as well. Not seeing all your mods in detail, but, sounds like you may be at similar point I was at with my build once. I was maxing out on fuel, but the car had more to give then stock fuel pump and my JMS Fuel Max couldn't keep up with. I ran E60 mix with no issues. But, after installing an upper and lower pulley and having my blower Kong X Port done, I was way out of fuel to run any E mix. So, I had a Katech dual fuel pump installed, THSPI Port Injection, am 18% lower pulley and a few other misc. items. Now, I'm running straight E85 and have more fuel than I can use with out installing a CAM. After the drop in fuel pump, you should not need the AUX pump any longer. Mike at Katech is a good contact to have. I also noticed your are less than 2 hours form CSP Racing. Maybe give Andrew a call and see what he says too? Here is a like to the Katech pump: https://katechengines.com/i-30498292...ontroller.html Here is a link to my build thread: https://www.camaro6.com/forums/showthread.php?t=611982 __________________ Katech Track Day CAM 38%•BTR Dual Valve Springs-Johnson Lifters•Trend 3/8 Chromoly Pushrods• VVT Del•CNC Ported Heads•AFM Delete• C5-R Timing Chain•Katech Oil Pump•Katech 112mm•Maggie 2650 3.25” Upper & ATI SD w/10.32” +20%•10 Rib Belt•RFBG•FI Interchiller Stage 2•THPSI Port w/875cc Inj•Dual Drop In Fuel Pump•DSX Aux Pump•Stainless Works 2" w/Legend NPP Axle Back•GESI UHO 4.5" CATs•Brisk RR14S Plugs•BMR Motor Mounts•BMR Cradle Lockout/Bushings Kit•DSS Chromoly DS•RPM 8-Point Roll Cage•10lb FireSense+ w/4Fire SFI 17.1 Fire Sys•Weld Forged Vitesse Rear 17x10 Beadlocks-Front 18x6•Unlocked TCM Last edited by 2023_ZL1-AUTO; 04-21-2025 at 09:23 AM.