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*Joshinator99* · 07-12-2022, 08:47 PM

Just to circle back to this, when I hit the dyno the other day we baselined the car using 330 SOI at WOT. We then changed SOI to 350 and blended in the change and picked up *28 WHP*. We then tried 370 SOI and the run was identical to the 350 SOI run. So that was good data. We then put it back to 330 again and sure enough, lost 27 WHP. So that 350-360 range most tuners use worked well in my case.

IPW didn’t change (in the 5.0 range at E42 for those runs), but the exhaust richened up when advancing the SOI to 350/370. So, I’m not sure what to think about that yet. No change in knock readings regardless of SOI.

Hope that is good data for my fellow Camaro6 pals.

07-12-2022, 08:47 PM	#20
Joshinator99 Moderator Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018 Location: New Ipswich NH Posts: 6,350	Just to circle back to this, when I hit the dyno the other day we baselined the car using 330 SOI at WOT. We then changed SOI to 350 and blended in the change and picked up 28 WHP. We then tried 370 SOI and the run was identical to the 350 SOI run. So that was good data. We then put it back to 330 again and sure enough, lost 27 WHP. So that 350-360 range most tuners use worked well in my case. IPW didn’t change (in the 5.0 range at E42 for those runs), but the exhaust richened up when advancing the SOI to 350/370. So, I’m not sure what to think about that yet. No change in knock readings regardless of SOI. Hope that is good data for my fellow Camaro6 pals. __________________ 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)