Quick knock correction question - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Ernest72 · 05-12-2020, 07:27 PM

Car has jdl uel catless header, jdl catted FP, Q300, drop in filter and Crawford BPB. Just doing some pulls to check if the current stage 2 plus tune is good.

Did a few pulls, no knock correction, no IAM, but some FLKC of -0.29 or -0.65 or -0.94 or -1.3 from about 5000-6500. But not anywhere else. In general people said to only investigate over -1.0 and especially if it effects IAM. Since no IAM should I worry about only a few -1.3, most was under -1.0?

Thanks.

steve99 · 05-13-2020, 06:37 AM

if its consistent repeatavle knock over -1 its worth fixing

Ernest72 · 05-14-2020, 08:48 PM

Did another run today, did 5 pulls, no knock. Thanks for your help.

05-12-2020, 07:27 PM	#1
Ernest72 Senior Member Join Date: Jul 2016 Drives: 16 Silver BRZ, 04 Silver WRX wagon Location: Rockland county, NY Posts: 1,429 Thanks: 186 Thanked 776 Times in 446 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Quick knock correction question Car has jdl uel catless header, jdl catted FP, Q300, drop in filter and Crawford BPB. Just doing some pulls to check if the current stage 2 plus tune is good. Did a few pulls, no knock correction, no IAM, but some FLKC of -0.29 or -0.65 or -0.94 or -1.3 from about 5000-6500. But not anywhere else. In general people said to only investigate over -1.0 and especially if it effects IAM. Since no IAM should I worry about only a few -1.3, most was under -1.0? Thanks.

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05-13-2020, 06:37 AM	#2
steve99 Banned Join Date: Dec 2013 Drives: FT86 Location: Australia Posts: 7,996 Thanks: 1,035 Thanked 4,997 Times in 2,985 Posts Mentioned: 598 Post(s) Tagged: 2 Thread(s)	if its consistent repeatavle knock over -1 its worth fixing

05-14-2020, 08:48 PM	#3
Ernest72 Senior Member Join Date: Jul 2016 Drives: 16 Silver BRZ, 04 Silver WRX wagon Location: Rockland county, NY Posts: 1,429 Thanks: 186 Thanked 776 Times in 446 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Did another run today, did 5 pulls, no knock. Thanks for your help.

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