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11-19-2024, 04:15 PM
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#1 |
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Craig
Drives: 2019 ZL1 1LE Join Date: Jan 2019
Location: Peterborough, ON Canada
Posts: 443
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Katech A7502 vs A7503 for ZL1
I came across this video and I’m wondering if it’s worth getting the L86 version of the pump for the increased pressure since the car will be getting tuned and stuff anyways. Has anyone done this before opting for the KAT-A7503 over the KAT-A7502
https://youtu.be/oNbtdWReBM4 Last edited by 19Nasty1le; 11-19-2024 at 04:53 PM. |
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11-19-2024, 05:40 PM
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#2 |
         Drives: 2024 CT5-V Blackwing Join Date: Sep 2020
Location: GA
Posts: 3,551
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You know who would know best? Katech.
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11-19-2024, 09:22 PM
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#3 | |
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Moderator
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: New Ipswich NH
Posts: 6,325
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Quote:
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, ATI 8L90, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors & BB HPFP, TooHighPSI/Katech port injection, 15” conversion 1066 WHP STD/1027 SAE, 9.10@152.5 (new times coming)
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11-25-2024, 02:56 PM
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#4 |
  Drives: 2015 Camaro ZL1 Join Date: Oct 2020
Location: Clinton Twp, Michigan
Posts: 333
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Minimal difference. The A7503 might make 5psi more oil pressure than the A7502.
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11-25-2024, 03:41 PM
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#5 | |
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Super Stock
Drives: Chevrolet Camaro ZL1 Join Date: May 2022
Location: Concordia
Posts: 967
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Quote:
I would stick to A7502 pump over anything else personally. It's made for ours, and is designed to follow the specs of our engines closest.
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2017 Red Hot ZL1 A10 - Apex ARC-8's, 305/ 325 PS4's, DSX 9.06 12% lower, Griptec OE upper, NGK HR7 Ruthenium plugs, Nostrum 25+ injectors, XDI Goliath HPFP, Katech dual in tank LPFP, Katech oil pump, LME tensioner, DOD delete, LT1 big fuel cam, Jokerz ported blower, MPI lid, GMS hood extractor bracket, Granatelli SS plug wires, Cordes LTR reservoir, DMS T-stat housing, 186* LS3 T-stat, Borla X pipe, Black Widow Angry Housewife/ Corsa NPP mufflers, BMR engine mounts, Banks iDash, Lithium Battery, AEM X- Series, HP Tuners, E85, 16.5 psi
758 HP/ 804 TQ  |
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12-31-2024, 10:37 AM
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#6 | |
 Drives: 2016 Chevrolet Camaro 2SS Join Date: Feb 2024
Location: Arkansas
Posts: 49
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Quote:
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01-01-2025, 07:02 AM
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#7 |
Drives: 2023 ZL1 - Beast Build Join Date: Dec 2022
Location: Columbus, Ohio
Posts: 1,265
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Correct, high pressure can mean lower volume is not good, this is a balancing act for the power your making. Take what's recommended. I had a great conversation with ZLElvira here on the forum (1.50 hours to be exact... whoa!) and he talked this over with me, oil cooling and pressure with the correct volume etc. Like a garden hose, put your thumb over it really tight and the pressure will be high but less water comes out, but apply the correct amount of pressure and you get the correct water flow under pressure.
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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
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