11-07-2021, 10:29 PM | #1 |
Drives: 2018 2ss 1le Join Date: Jan 2018
Location: Huntington, NY
Posts: 474
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6th gear slower?
so i am aware that i might have a tuning issue...
but does anyone else feel like 6th gear was better n/a at low to mid rpm? just asking to see if its just me or this is common.. i could understand why if its because when not in boost you don't have similar intake runner characteristics as n/a but in 6th gear boost should happen right away right? as it is immediately under load. i am assuming this is something i can fix in the tune... and my tune is sort of a long story,
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2018 2ss 1le roto fab dry, Stainless works 1 7/8 lt to 3'" x pipe with highflow cats to stock npp, soler 95mm t/b, edelbrock 2300, LT4 fueling , jms bap and dsx flex fuel, 618/620 on e45 rwhp
Jannetty Motorsports tuned |
11-08-2021, 01:28 AM | #2 | |
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 4,749
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Quote:
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors, LPE BB HPFP, 15” conversion 1059 WHP/944 WTQ, 9.48@150
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11-08-2021, 06:32 AM | #3 |
Drives: 2018 2ss 1le Join Date: Jan 2018
Location: Huntington, NY
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i could get some
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2018 2ss 1le roto fab dry, Stainless works 1 7/8 lt to 3'" x pipe with highflow cats to stock npp, soler 95mm t/b, edelbrock 2300, LT4 fueling , jms bap and dsx flex fuel, 618/620 on e45 rwhp
Jannetty Motorsports tuned |
11-08-2021, 08:23 AM | #4 |
Drives: like an old lady Join Date: Jun 2012
Location: indiana
Posts: 2,395
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how much boost is it making at the rpm you're turning? i imagine the car is making very low boost numbers and seeing much less timing at sub 2k rpm vs na.
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11-08-2021, 08:36 AM | #5 |
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,795
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My guess is your tune has a lot of timing yanked out of it in the low/mid range area of the high octane spark table. Seems to be common with many tuners and FI setups.
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2016 NFG 1SS A8
Options-2SS Leather/NPP Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA |
11-08-2021, 02:51 PM | #6 |
Drives: 2018 2ss 1le Join Date: Jan 2018
Location: Huntington, NY
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that would explain alot if true
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2018 2ss 1le roto fab dry, Stainless works 1 7/8 lt to 3'" x pipe with highflow cats to stock npp, soler 95mm t/b, edelbrock 2300, LT4 fueling , jms bap and dsx flex fuel, 618/620 on e45 rwhp
Jannetty Motorsports tuned |
11-08-2021, 04:47 PM | #7 |
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
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If only there was something available that you could use to record what’s happening for us….
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors, LPE BB HPFP, 15” conversion 1059 WHP/944 WTQ, 9.48@150
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11-08-2021, 06:05 PM | #8 |
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,795
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2016 NFG 1SS A8
Options-2SS Leather/NPP Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA |
11-09-2021, 06:34 AM | #9 |
Drives: 2018 2ss 1le Join Date: Jan 2018
Location: Huntington, NY
Posts: 474
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i just haven't gotten a chance but i will thanx
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2018 2ss 1le roto fab dry, Stainless works 1 7/8 lt to 3'" x pipe with highflow cats to stock npp, soler 95mm t/b, edelbrock 2300, LT4 fueling , jms bap and dsx flex fuel, 618/620 on e45 rwhp
Jannetty Motorsports tuned |
11-09-2021, 09:41 AM | #10 |
Drives: 2018 2ss 1le Join Date: Jan 2018
Location: Huntington, NY
Posts: 474
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here are some logs
i believe this tune is on speed density turns out i had a vacuum leak at the purge valve when i got this tune.... i got a second maf tune to fix original tune not knowing there was that leak and then i discovered i also ha d a new and much bigger leak where my catch can line was cut in 1/2 below airbox where i couldn't see and then car was maf tuned that way... all leaks were my fault but nonetheless i dont think i have had an clean slate tune, car runs better and more consistent obviously since i fixed them and turns out car runs best with original tune. so i have so many questions and feel bad for my tuner and myself, in the end i think i need a retune maf style with everything right, anyway this sixth gear thing just had me thinking and thought i would see if that's normal going from n/a to s/c.. says the hpl file is invalid for upload
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2018 2ss 1le roto fab dry, Stainless works 1 7/8 lt to 3'" x pipe with highflow cats to stock npp, soler 95mm t/b, edelbrock 2300, LT4 fueling , jms bap and dsx flex fuel, 618/620 on e45 rwhp
Jannetty Motorsports tuned |
11-09-2021, 11:50 AM | #11 | |
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 4,749
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Quote:
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors, LPE BB HPFP, 15” conversion 1059 WHP/944 WTQ, 9.48@150
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11-09-2021, 12:55 PM | #12 |
Drives: 2018 2ss 1le Join Date: Jan 2018
Location: Huntington, NY
Posts: 474
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2018 2ss 1le roto fab dry, Stainless works 1 7/8 lt to 3'" x pipe with highflow cats to stock npp, soler 95mm t/b, edelbrock 2300, LT4 fueling , jms bap and dsx flex fuel, 618/620 on e45 rwhp
Jannetty Motorsports tuned |
11-09-2021, 07:11 PM | #13 |
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,795
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It's timing related just as I thought. You are seeing single digit timing(3-8 degrees) on tip in the high load(0-6psi) lower rpm(18-2200rpm) areas of the timing map(bottom left quadrant). That will make the car feel anemic part throttle.
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2016 NFG 1SS A8
Options-2SS Leather/NPP Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA Last edited by KingLT1; 11-09-2021 at 07:25 PM. |
11-10-2021, 05:25 AM | #14 |
Drives: 2018 2ss 1le Join Date: Jan 2018
Location: Huntington, NY
Posts: 474
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and you're thinking that's its the tuning not car doing it because it needs to and if so would it be safe to bump the timing there?
i did notice no knock retard if I was looking at it right.. also looking at the other logs it doesn't look like its doing on them ..
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2018 2ss 1le roto fab dry, Stainless works 1 7/8 lt to 3'" x pipe with highflow cats to stock npp, soler 95mm t/b, edelbrock 2300, LT4 fueling , jms bap and dsx flex fuel, 618/620 on e45 rwhp
Jannetty Motorsports tuned |
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