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#1 |
![]() Drives: audi s3 2008 bmw 135 2010 Join Date: Mar 2020
Location: argentina
Posts: 18
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forged engine spark advance tips
Hello .. on lt1 supercharger centri engine 10 psi at 6.5 rpm forged low compression 10.2 lt4 fuel system plus jms ..how many degrees of spark .. stock internal 13 14 degrees on 93 octane
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#2 |
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Moderator
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: New Ipswich NH
Posts: 6,336
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13-14 degrees on 93 octane is probably about all you’ll get. You can try an extra degree at a time and see if the motor is happy (and no knock retard) but don’t expect you’d get too much more than 14.
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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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#3 |
![]() Drives: audi s3 2008 bmw 135 2010 Join Date: Mar 2020
Location: argentina
Posts: 18
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10.2 compression also 13 or 14?
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#4 |
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Moderator
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: New Ipswich NH
Posts: 6,336
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I’d start there like I mentioned above. If you’re running clean with no knock, then add a degree or two and see how it responds. Might be able to get a bit more but you’re not running 20 degrees lol
__________________
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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#5 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 7,641
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That compression should allow for 17 degrees at that boost level. You are just a tick above stock LT4 compression and I have seen them tolerate 17-20 degrees depending on the quality of fuel.
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2016 NFG SS A8/Whipple 2.9/Fuel System/Flex Fuel |
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#6 |
![]() Drives: audi s3 2008 bmw 135 2010 Join Date: Mar 2020
Location: argentina
Posts: 18
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Thanks..I'll try with 16 from 5.6 rpm and we'll see.. test 15 degrees and 0 kr
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#7 |
![]() Drives: audi s3 2008 bmw 135 2010 Join Date: Mar 2020
Location: argentina
Posts: 18
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dragy data 0 gain 100 200 km .. in 15 degrees
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#8 |
![]() Drives: EvoVIII ,Wrx Sti, S2000, RSClio Join Date: Jul 2021
Location: Rosario Santa Fe Argentina
Posts: 1
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Hi guys! I am Sebastian from RSTronic in Argentina, helping German. He is running built engine, forged pistons and rods, compression 10,2. ECS SC with 10psi at 6500rpm. We need some help on tuning the new TCM that we bought from HPTuners. Who do you reccomend for a remote tuning please. We are also ready to tune the ECU for flex fuel.
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#9 | |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: 2018 Camaro 2SS A8 Join Date: Jul 2017
Location: East Tennessee
Posts: 13,448
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Quote:
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2018 Camaro 2SS — G7E MX0 NPP F55 IO6
735 rwhp | 665 rwtq Magnuson TVS 2300 80mm pulley | Kooks 1 7/8" LT headers | JRE smooth idle Terminator cam | LT4 FS & injectors | TSP forged pistons & rods JMS PowerMAX | DSX flex fuel kit | Roto-Fab CAI | Soler 95mm LT5 TB | 1LE wheels | 1LE brakes | BMR rear cradle lockout | JRE custom tune 1100 - 1/30/18 | 2000 - 1/31/18 3000 - 2/06/18 TPW 2/26/18 3400 - 2/19/18 | 3800 - 2/26/18 4300 - 2/27/18 | 4B00 - 3/01/18 4200 - 3/05/18 | 4800 - 3/14/18 5000 - 3/16/18 | 6000 - 3/19/18 |
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#10 | |
![]() Drives: BLUE CAMARO ZL1 1LE M6 Join Date: Jun 2009
Location: ON THE DYNO WATERBURY CT.
Posts: 15,445
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Quote:
I hope all is well.
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Celebrating 39 years Performance parts, Installation, Fabrication, Dyno tuning, Remote custom tuning, and alignments. 203-753-7223 Waterbury CT. 06705 email tedj@jannettyracing.com |
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