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eLeSthree · 03-30-2022, 06:00 AM

When my friend bought her ZL1, it felt slow. I put the HPTuners scanner on it. It was seeing 7 degrees of Knock retard and pulling a lot of timing. We changed the plugs and put some fresh fuel with octane booster in it. Flashed the maf curve back to stock, since it had a small adjustment from the PO having an intake on it, and it made a huge difference. Timing was 15degrees before and 21.5 after.

03-30-2022, 06:00 AM	#3
eLeSthree Drives: 2011 Camaro SS 6sp Join Date: Nov 2016 Location: Drivers Seat Posts: 1,904	When my friend bought her ZL1, it felt slow. I put the HPTuners scanner on it. It was seeing 7 degrees of Knock retard and pulling a lot of timing. We changed the plugs and put some fresh fuel with octane booster in it. Flashed the maf curve back to stock, since it had a small adjustment from the PO having an intake on it, and it made a huge difference. Timing was 15degrees before and 21.5 after. __________________ 2011 Camaro SS---SOLD TMS Dart 427 FED M311s, ESS Tuning G4 Blower, DSX Triple FP Assembly, DSX FF, FIC1300, Mcleod RXT 1200HD, Edlebrock Pro Flo XT 1158whp 1017wtq. 2010 CTS-V A6 - "Stock" SOLD 630whp 658wtq 2024 F-150 RCSB 5.0 4x4 waiting for tunes...