Stage FOUR upgrades in PROGRESS - Page 3

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Stage FOUR upgrades in PROGRESS

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04-03-2026, 10:22 AM

#29

Joshinator99

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Drives: 2017 Camaro 2SS A8

Join Date: Aug 2018

Location: New Ipswich NH

Posts: 6,322

Quote:

Originally Posted by KingLT1

90% duty cycle means catastrophic failure is around the corner. On DI we can only uses about 35% duty cycle MAX and stay withing the injection window of 6.0ms. Ideally you want to keep EOI around 180 for peak efficiency but it's still ok down around 150-160. I consider 140 or lower flat out of injection window.

Truth

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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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