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Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-23-2024, 01:19 PM

Replies: 3

Anyone use the Ansix Auto Oil Pressure Sensor CANbus Kit?

Views: 1,112

Posted By zeroomega

I built my own. See the finished board...

I built my own. See the finished board https://github.com/HPDE-Tools/CANMIM/issues/1#issuecomment-1868334660 . This is also what is currently used by 900BRZ. My board can be paired with an off the...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

07-03-2023, 11:34 PM

Replies: 146

Killer B Motorsport 2022+ FA24 BRZ/GR86 Oil Retention Baffle Development

Views: 38,082

Posted By zeroomega

Yes, potentially this product should have better...

Yes, potentially this product should have better pressure improvements than the Syms baffle I currently have, if the hypothesis on asymmetric oil pickup location is correct.

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

07-03-2023, 04:05 AM

Replies: 146

Killer B Motorsport 2022+ FA24 BRZ/GR86 Oil Retention Baffle Development

Views: 38,082

Posted By zeroomega

After look through the data together with 900BRZ....

After look through the data together with 900BRZ. We both conclude that we didn't see any measurable improvement from KillerB's baffle at Thunderhill 5 Miles. In other words, KillerB's original...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

06-26-2023, 06:54 PM

Replies: 2

GR86/BRZ FA24 Oil Pressure Loss Demonstration

Views: 2,346

Posted By zeroomega

I already posted similar findings before in...

I already posted similar findings before in forum: https://www.ft86club.com/forums/showthread.php?t=151509 roughly 8 months ago.

And in 900BRZ's video, that White GR86 (with RTV cleaned) is my...

Forum: BRZ Second-Gen (2022+) -- General Topics

03-24-2023, 03:01 PM

Replies: 57

Gen 2 Rear Diff Durability

Views: 6,933

Posted By zeroomega

Gen1 diff rarely fail, even among track folks. It...

Gen1 diff rarely fail, even among track folks. It is a torsen unit, which is robust and mostly worry free. People who upgrade the diff are mostly for changing into clutch type LSD for tunability and...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

02-08-2023, 12:14 AM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

Upper oil pan has some metal shielding below the...

Upper oil pan has some metal shielding below the crank shaft, if that can be called as baffle. The same structure is already present in gen1 FA20.

Lower oil pan (the one people drop for RTV...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

02-01-2023, 12:54 AM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

That is an interesting option. I didn't know...

That is an interesting option. I didn't know that. If I don't have knowledge to build a PCB I probably would use that. My customized board is much better though. The Atmega32U4 only has 10bit ADC...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-31-2023, 02:27 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

Thanks for the offering but I would prefer to...

Thanks for the offering but I would prefer to avoid using baffle with rubber trap doors as some Japanese drivers tested the cusco oil pan baffle (which also use rubber trap doors). The rubber trap...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-30-2023, 10:58 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

Yes, the drop is not as bad as some brake and...

Yes, the drop is not as bad as some brake and right turns like "off ramp". But it still drops, probably because lateral g is way higher than longitudinal g and it is a long corner so the pump...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-30-2023, 09:30 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

Some updates after last weekend at Buttonwillow. ...

Some updates after last weekend at Buttonwillow.

TL;DR, I don't think Syms Racing oil pan baffle is quite useful. But it doesn't seem to make the matter worse.

I did a side by side comparison...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-27-2023, 07:33 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

Local 86cup fb group. Gen1 car with 2015 engine....

Local 86cup fb group. Gen1 car with 2015 engine. I don't know the owner so I don't know more details. I guess now you see one example.

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-26-2023, 08:00 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

Laguna T4 as far as I can tell is flat. I never...

Laguna T4 as far as I can tell is flat. I never did track walk there so I could only say from driving perspective. From turn in (lateral g increase) to turn out (lateral g decrease) it takes about 4...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-23-2023, 03:23 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

Oil cooler has nothing to do with lateral g oil...

Oil cooler has nothing to do with lateral g oil pressure drops. KillerBMotorsports is just concerned the pressure drops too much when oil temperature rises while I felt it is just normal oil...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-23-2023, 02:53 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

Well, my sandwich plate does have ports to put...

Well, my sandwich plate does have ports to put 1/8 NPT sensor at inlet and outlet. But GR86 hood is too low so the sensor will hit the hood when closed. I tried 90 degree adapter before, but without...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-23-2023, 12:15 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

JR Oil cooler kit uses 10AN Aeroquip FC598-10...

JR Oil cooler kit uses 10AN Aeroquip FC598-10 hose (for GR86, but I think their other kit use the same hose). It has 0.63in ID and 0.91 ID. The ID seems to be slightly larger than common 10AN hoses...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-20-2023, 03:39 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

I have JR oil cooler in place already. 250F...

I have JR oil cooler in place already. 250F temperature is what I see in a 100F day and push continuously for 20mins. Without the oil cooler I guess I can push this car beyond 270F in the same...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-20-2023, 12:55 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

If you look at the oil from the same brand, 0w30...

If you look at the oil from the same brand, 0w30 and 5w30 doesn't have the same HTHS spec or 100C (212F) viscosity, with 5w30 usually have higher HTHS rating. In NorCal tracks, usually there is no...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-20-2023, 12:51 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

The oil temperature reading comes from the car...

The oil temperature reading comes from the car ECU. I think the sensor is somewhere after the oil filter. I don't have a hole on my oil pan to measure the temperature.

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-19-2023, 10:07 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

I am not planning to use 10w60 anyway. Since my...

I am not planning to use 10w60 anyway. Since my car is not trailered and does meet some street miles, though not much.

For the pressure change from 210F to 250F, internal bleeding or not, it...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-18-2023, 02:23 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

I sometimes overfill the oil by 0.3qt during oil...

I sometimes overfill the oil by 0.3qt during oil change, because the dipstick is just not very accurate. I didn't see any noticeable difference in logged oil pressure. I did't try 0.5qt overfill...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-18-2023, 12:59 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

Thanks for your insight. I have seen FA20DIT...

Thanks for your insight.

I have seen FA20DIT from a 2015 WRX to have similar oil pressure drop in same the pattern, but not as severe as my GR86. In our club, there will be a 2017 BRZ to have oil...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

01-17-2023, 09:19 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

I did continue to log the oil pressure and see...

I did continue to log the oil pressure and see similar oil drops patterns at other tracks and my friend (TrackAndBuild (https://www.youtube.com/@TrackandBuild) at Youtube) also did similar oil...

Forum: BRZ Second-Gen (2022+) -- General Topics

10-27-2022, 07:40 PM

Replies: 56

Oil Pan Performance - What Features Do You Want?

Views: 8,295

Posted By zeroomega

If the pan is proved to solve the problems (e.g....

If the pan is proved to solve the problems (e.g. oil pressure drops under lateral Gs) I think $400-$600 is fair. For the references, the STI oil pan with baffle is around $328 ($450 after DHL...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

10-20-2022, 03:09 AM

Replies: 93

Do I need an oil cooler?

Views: 20,520

Posted By zeroomega

These cars have actual oil temp sensor, the...

These cars have actual oil temp sensor, the temperature display in track mode is accurate (unless you have a BRZ which only display a bar). You can read the oil temperature data from the CAN bus. You...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

10-19-2022, 09:29 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

The cause that right turns seeing oil pressure...

The cause that right turns seeing oil pressure drops while left turns seem to be fine might due to the fact that the oil pickup tube is actually located slight to the passenger side. Oil sloshing to...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

10-19-2022, 01:53 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

Nope, the port near the throttle body: It is...

Nope, the port near the throttle body:

It is a post filter location as well. I used to plug the pressure sensor at the oil cooler sandwich plate so I knew there the oil filter will causes some...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

10-18-2022, 09:28 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

Well the datalogger itself is AIM Solo DL2, which...

Well the datalogger itself is AIM Solo DL2, which is the one of the go to choice for most of track rats. But how I connect it to GR86 is completely customized and complicated.

I got the AIM Solo...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

10-17-2022, 03:07 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

I think someone mentioned gen1 has similar oil...

I think someone mentioned gen1 has similar oil pressure drops. I didn't test it on my gen1 so I don't have any data to compare.

The oil pressure sensor is the "30-4407" 150psi AEM oil pressure...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

10-17-2022, 03:01 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

Did U.S. GR Cup mentioned they are using oil pan...

Did U.S. GR Cup mentioned they are using oil pan baffles? I only know Japan GR86/BRZ cup car has a proved list of baffles and Greddy one is one of them. However, I didn't see any test data proving...

Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86)

10-17-2022, 02:59 PM

Replies: 121

Oil pressure drops on race track in S corners

Views: 23,842

Posted By zeroomega

Please DM me your email address, I can send you...

Please DM me your email address, I can send you the original AIM data logs. But I didn't log AVCS L /R since I haven't figure out the CAN ID for these values. If you know the CAN IDs, I can log them...

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