Originally Posted by Elmo370z Do you have to retorque the heads bolts? I know with those 625 and copper after a proper warm up procedure it’s highly recommended to go
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07-14-2022, 09:53 AM | #46 (permalink) |
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I'll be going to Jotech hopefully this week or early next week to watch the break in and initial dyno tuning so I'll ask them about re-torqueing the head bolts.
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07-19-2022, 11:03 AM | #48 (permalink) |
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Spoke to Jotech and they won't be re-torqueing the head studs. They were pretty confident that it wasn't needed and that their previous Z and GTR builds haven't had any issues or needed re-torqueing.
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08-04-2022, 02:29 AM | #49 (permalink) |
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Got a few more updates. Looks like they're wrapping everything up. Had some start up communication issues that they think are sensor related so once those are replaced and the tuner is back from vacation we should be back on track to have the professional break in and initial dyno tuning soon.
More progress pics: |
08-04-2022, 08:43 AM | #50 (permalink) |
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Looking sweet!
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'16 Pearl White Sport | Stillen Gen. 3 | Motordyne ART | Motordyne Shockwave | ZSpeed | Powertrix | EVO-R | Aeroworkz | Nismo | Z1 | EcuTek | Tuned by Seb @ SpecialtyZ |
10-20-2022, 06:25 PM | #51 (permalink) |
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Dyno numbers are in!
On pump gas it made 559whp & 529wtq On Ethanol with 60% ethanol content it made 650whp & 582wtq at 20 PSI. For the ethanol run, we were at the limit of the injectors, about 90% IDC on the run. Probably going to keep this set up for a little bit before upgrading to a twin fuel pump setup and either 1300X or 1700X injectors. I did buy a Seibon TS style vented hood from Jotech but not planning on getting it paint matched and install until spring time so thats when I'll most likely do the fuel pump and injectors too. |
10-21-2022, 12:19 AM | #52 (permalink) | |
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Great numbers by the way! Fast Intentions ftw
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Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo 700+whp |
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10-21-2022, 02:01 AM | #53 (permalink) | |
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10-21-2022, 11:23 AM | #55 (permalink) |
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Yep, I run twin Hellcats but that's a little overkill
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Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo 700+whp |
10-21-2022, 02:11 PM | #57 (permalink) |
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Jotech was also thinking of using a radium surge tank setup to just add on to my existing setup so I wouldn't have to replace as many parts. We would reuse my walbro 450, and relace the current in-tank pump with either a stock unit or a smaller upgraded pump since its just used as a lift pump to keep the surge tank full. And as a bonus would address the fuel starvation problems our cars have issues with.
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10-21-2022, 05:38 PM | #58 (permalink) | |
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Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo 700+whp |
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10-22-2022, 01:26 AM | #59 (permalink) | |
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I am not really trying to push for a specific number but I definitely want to maximize my build without pushing it past reliability and drivability. I also want to stay a good amount below 800whp since that seems to be the magic number of when things become unreliable. |
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10-22-2022, 10:23 AM | #60 (permalink) | |
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Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo 700+whp |
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