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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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12-28-2020, 06:20 PM | #15 | |
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12-28-2020, 06:21 PM | #16 | |
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The Following User Says Thank You to NoHaveMSG For This Useful Post: | czellers (12-28-2020) |
12-28-2020, 06:27 PM | #17 |
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12-28-2020, 09:01 PM | #18 |
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Might be worth doing some data logging, and uploading logs to datazap if you plan to run 91 on and off. There is a logging thread in the tuning subforum if you want feedback.
When you view the logging screen you can keep and eye on the advance multiplier as the car warms up while you are driving. It should rise from .70. If it moves around or goes down the tune is too spicy for the fuel. |
12-28-2020, 09:06 PM | #19 | |
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12-29-2020, 03:03 AM | #20 |
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Plug your OFT in and drive normally and see if your Adv Multiplier goes up to 1. It should and if it does not find out why. Moving to E85 should not band aid the issue because it has a higher timing advance and the poor AM will continue
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Wait until my Flex capacitor hits 88
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The Following User Says Thank You to gen3v8 For This Useful Post: | czellers (12-29-2020) |
12-29-2020, 08:07 AM | #21 |
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Im getting my windows tinted later this afternoon, Ill check it out then and see. Otherwise, I can data log I just have no clue where to send it or who could extrapolate the relevant info..
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12-29-2020, 08:22 AM | #22 | |
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https://www.ft86club.com/forums/show...47754&page=140 Example of what a log pull would look like. From the V4.03 canned tune I ran before getting custom dialed tune from @tomm.brz https://datazap.me/u/mygotousername/...3?log=0&data=1 How to log and pull data. Save file on computer and upload to datazap. |
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The Following User Says Thank You to RToyo86 For This Useful Post: | czellers (12-29-2020) |
01-24-2021, 05:09 PM | #23 |
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So the LTFT is/was likely due to an exhaust leak as many had suggested...
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01-24-2021, 05:22 PM | #24 |
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Holy shit. At the leak and the drilled out holes in the flange.
Do the world a favor and throw that thing away.
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01-24-2021, 05:54 PM | #25 |
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None of the bolts were torqued properly... it didn't take too much to get everything loose.... won't happen with the new boy.. got a fully wrapped tomei UEL expreme... need to get some of those green scrubbing pads to clean the block side mating surfaces and then get the new tomei in tomorrow.. oh, and the old one was making contact with the oil pan FFS......
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01-25-2021, 01:44 PM | #26 |
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LTFT fixed! New header is installed and sounds nice!
The tomei instructions say something like 25 and 23 ft/lbs of the torque specs for the overpipe and head nuts respectively.. sounded low but whatever.. the crowsfoot 14 mm did nicely on the drivers side nut and the rest were easy even the over pipe bolts despite the header being wrapped well... Going to go through a few heat cycles checking the torque on the nuts but this should be a wrap.. |
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01-26-2021, 04:13 AM | #27 |
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Glad you fixed your problem! One question: Did your LTFT/STFT's go closer to 0 as you added gas?
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The Following User Says Thank You to kev0 For This Useful Post: | czellers (01-26-2021) |
01-26-2021, 06:45 AM | #28 |
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I never revved it. I finished up yesterday, torqued everything down to spec and let it go through 2 full heat cycles. After that I re-torqued just to be sure. If its not pouring down rain today I may pull it out of the garage and test drive it. I was hoping to put some heat shield on the oil pan before putting the metal cover back on and getting it off the jack stands. Might run to auto zone later today.
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