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Old 09-26-2025, 02:44 PM   #589
2023_ZL1-AUTO

 
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Drives: 2023 ZL1 - Beast Build
Join Date: Dec 2022
Location: Columbus, Ohio
Posts: 1,264
Quote:
Originally Posted by RobZL1 View Post
Awesome! You and I will have almost the exact same long block. I didn't opt for the valve job and blending on the heads, and I used different valley and timing covers. The other stuff is identical. (Let's hope we both like it.)

Interesting that the aux pump is needed on top of the dual in-tank. I wouldn't have called that one.

Looks like it will be a solid build! The only main differences between yours and mine when we are both finished will be the blower and PI vs DI fueling, I think. I'm guessing you'll hit about 950 and I'm hoping I'll hit about 1050.
Thank man ! That's cool our builds are so close.

So, the DSX Aux pump is NOT needed for this build. But, Mike suggested it just to give us head room as their Katech Dual Drop-in Fuel Pump is rated at 900rwhp. He's thinking, there's a potential, if all the stars align, it could hit at the maxed out, 925 to 950rwhp! So, the Aux pump would be needed in that case !
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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; 09-26-2025 at 03:00 PM.
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