Thunderhill West CW (Reverse) | PB Lap:

[@CrescentBRZ]

Seeing the Oil Pressures barely come down during those right hand turns put a smile on my face. Good times are ahead!

[@JoseMartinez-zd1bs]

Just watched the whole oil pressure series and I can't wait for the hopefully final update. Im in college for engineering right now so I have loved every second of this. Also, second gen gr 86 is my dream car right now. Once I get some money it'll be my first big purchase. Thank you for all you work!

[@900BRZ]

Awesome, glad to hear you’ve enjoyed the journey so far!

[@jaron95]

Nice driving! Looks like a blast! And all the readouts are looking good too.

[@TimurIskhodzhanov]

Pro tip: after you slid the car at 2:35, the RR tire was overheated, so you could have anticipated oversteer in 3:08, and take T1 more conservatively

[@900BRZ]

Yeah interesting. I was carrying a but more slip angle and it was the second of two consecutive hot laps so probably would have made sense to be more conservative there anyway. Interesting point about having a little buffer of recent corners to take as input into the next corner.

[@TimurIskhodzhanov]

@@900BRZ If you have LFS, try driving the XRT and/or FXO cars for 10 hot laps in a row while watching tire temps (F9). After just a few laps you'll need to start managing the outside tires. I did a bunch (hundreds?) sprint races in those cars, it was an eye opening experience. Wish it was as easy to monitor tire surface temperatures IRL!

[@autosenses2960]

Your engine setup sounds insane dude. 🤯 Revs significantly smoother and faster than mine. 😮

[@900BRZ]

I think most of that is just from the dual mic setup with one in the engine bay. You get a lot more intake sound this way.

[@darksunrise8777]

@@900BRZ Time for a K&N intake ;)

[@warrenlucier5796]

Glad to see you are having Verus design a prototype truncated sump. You will be needing 2 more returns from the cam covers as too much oil stays in the heads during operation. Need to make a different header so there is more clearance for the lower portion of the truncated sump. Your data is looking much better with the new sump.

[@900BRZ]

For higher grip setups/faster pace we will still have pressure drops with this pan, but it’s significantly improved from the factory setup. I would love to try oil returns from the cam covers. Painfully aware of the poor drainback performance 🫠

[@beancheung5682]

you mentioning you're running 0.75 overfill, does that mean on top of the 1quart higher cap of the pan you added 0.75 more? or does that mean 0.75 more compared to stock capacity? btw thanks man, you're that one with the cape and saved us all!

[@900BRZ]

Yeah that’s 0.75L over on the dipstick, so more like 1.75L over in total.

[@TimurIskhodzhanov]

Interesting moment at 6:45 where you wound up the steering wheel to the left too much during the recovery (~180º, should have stopped at ~90º), and the oversteer briefly turned into understeer and then the front "grabbed" and pulled you into the corner.

[@kar3706]

hell yeah B!

[@brukkobanner7938]

Man I really want a video like this but with the gear change warning sound turned ON. Also, did your windshield break? Was it a rock or something? Really interested about some news on the oil pan.

[@900BRZ]

With a mic in the engine bay and one on the rear bumper, you can’t hear anything inside the cabin. I’ve thought about adding a third mic but then you need off camera sound recording. I actually had a Zoom recorder mounted on the windshield in my Buttonwillow video but there was too much wind noise for it to be usable. Windshield broke from a rock or something. It’s not in my vision on track so I haven’t replaced it yet. News hopefully coming soon! I just need time to make another deep dive.

[@boboobrob]

what lap timer app is that on the infotainment?

[@900BRZ]

My friend is making a lap timer and I’m helping him test it. Will share more when he’s ready!

[@shift__robinson]

Just curious, how much more capacity of oil does that prototype Verus oil pan add?

[@900BRZ]

The one I’m running adds about 1L extra

[@shift__robinson]

@@900BRZ Thank you for the update and sharing your track adventures. I’m pleased to see much more stable oil pressures throughout. I’m looking forward to Verus releasing their pan, hopefully in the near future 🤞🏽

[@IdontNeedHandles]

Hey man. Why do you use Mobil1 0W40? Thanks

[@900BRZ]

TL;DR: The newish API SP formulation is cheap, readily available, >=3.5 HTHS, full synthetic, reasonable shear tolerance. At times I was doing only a single track day on a fill due to testing different parts so I needed to find a cheaper alternative to options like Motul.

[@IdontNeedHandles]

@@900BRZ Makes sense. I used older mobil1 0w40 European car formula for same reasons but spun rod bearing in two separate 4AGE silvertops during races. Could be oil starvation in fast turns + high revs - but I have doubts regarding racing with Mobil1 0w40 since then.

[@saad8029]

Where did you get those wheels in 5x100?

[@900BRZ]

They’ve been out of production for a year years but should be coming back to market again soon.

[@KuroiMX5]

You mentioned some interesting data gathered regarding the oil pans. Do you have that available somewhere or am I jumping the gun? 😬

[@900BRZ]

Haven’t presented anything for the v3 pan yet, but stay tuned!

[@DahakaCL]

My idea or we're seeing better oil pressure?.

[@KuroiMX5]

You mentioned some interesting data gathered regarding the oil pans. Do you have that available somewhere or am I jumping the gun? 😬

[@900BRZ]

I haven’t shared it yet but planning to put it all together and share. For now you get a preview of the two different levels of overfill in these onboards.