Track Day at Sonoma - Audi S4 B9 on 3/13/2021

[@NhatNguyen-xs7kl]

Awesome to see your track video. Looks fun maybe one day I’ll take my s4 to the track.

[@Numbahz]

Wow love this video, great overlay as well! Seeing the Tyres at the end made me really rethink ever brining my b9 s5 to a track. I have no desire nor knowledge to replace brakes rotors and new Tyres so quick haha! But hey it's sure gotta be a blast! I had fun watching 😊

[@stevenstrackdays2687]

Thanks! I didn't drive so aggressive until my fourth track day. I do recommend a try for fun and the unique experience.

[@TheGreenS4Channel]

Hey Steven - happy to have met you and said hi at Sonoma that day (it's me! at 7:14!). I'll be installing my iSWEEP IS2000s this weekend, and evaluating them in the next few months. I'll try to let you know if they don't suck

[@stevenstrackdays2687]

Nice to meet you! I didn't hear iSWEEP. Just searched, and looked like IS3500 and + are for tracks?

[@TheGreenS4Channel]

@@stevenstrackdays2687 Yeah, I decided to take a little bit of a gamble. I had the Ferodo DS2500 on my GTI and the pad was perfect for street and track. I looked at the brake graph of temp vs friction for IS2000 and it was pretty similar and wanted to see if it could work as a dual-use pad. If it sucks on track I will just bite the bullet and get the IS3000/3500 for track only pad.

[@stuntinh]

Nice job. I experienced the same thing with my last set of PS4S, they chunk pretty hard and it's recommended to go higher pressure (opposite of what most people do at the track) to protect the sidewall.

[@stevenstrackdays2687]

Got it. Thanks for sharing.

[@minaguirguis8897]

Great driving. I was rooting for you to catch and pass the black car. Too bad about the tires.

[@stevenstrackdays2687]

Thanks!

[@Mclyincanada]

I am curious if you have any more update on your brake setup? Any new update from the date you did this video till now? I am also plan to upgrade pad/rotor for my 2018 S4. I already purchased EBC Blue front but like to hear how ECS 2-piece rotor holding up.

[@Mclyincanada]

Also the tires, how is A052 holding up for you?

[@stevenstrackdays2687]

@@Mclyincanada EBC blue are really bad on track (as bad as yellow). Return them... ESC rotors are good. No issues. No bending or overheating impacts. The A052 worked well, better than ps4s, but were too expensive considering the tread depths (only). Also check my last video of Thunderhill on 5/9/2021.

[@Mclyincanada]

@@stevenstrackdays2687 Thank you Steven. Unfortunately EBC Blue is not returnable even unused. Are you running Carbotech X10 for both front and back? Also, like to ask you how many track days have you been running with ECS rotors? Trying to debate between 034 and ECS, 034 does sell replacement rotors only as oppose to ECS they only sell new set.

[@stevenstrackdays2687]

Sorry blue cannot be returned. I think they can still be used as street pads. I'm using yellow as street pads, but I will probably pick another brand later. I used carbotech for both front and rear. I think it's good to use EBC blue for rear ones. I haven't measured the rotor thickness since my last track day. I don't really worry about the thickness. I think when I bought ESC rotors, the 034 rotors weren't available. My rotors are not true floating so they are much cheaper. I asked ESC if I can get only rings. They don't sell, but they can provide a discount for the new sets.

[@Mclyincanada]

@@stevenstrackdays2687 I appreciate your input once again. Hope to see you upload new videos if you had done more track day this year!

[@TrailForged]

My ‘18 S4 I played with tire pressures and ended up at 43 cold to keep the edges from rolling over. It felt much better and had a lot more grip than even at 40 cold. A few questions, how do you like the blue stuff pads vs the yellow for track? The yellows were not enough for me, and I smoked them pretty bad. Also curious on your camera setup and how you’re doing the overlay with data? Thanks and keep up the great vids!

[@stevenstrackdays2687]

The max inflation pressure on the tires is 50 psi. When the cold is 43, the hot pressure may become 10 more like 53. I'm not sure whether it's a big concern but don't want to take the risk. Yellow staff are really bad for track (but ok for beginners). Check my last Laguna Seca video... Blue staff didn't match my expectation, as you see that it got cracks. I got Carbotech xp10 pads for my next track day, and will report back later. I put one camera under windshield, and one under sunroof. I even put one audio recorder near engine and another near exhaust. PowerDirector 365 does a great job to sync them by audio. Overlay data comes from TrackAddict app, an OBD2 Bluetooth receiver, and a 10-hz Bluetooth GPS. Overlay is painted by RaceRender 3. Final edits are in PowerDirector 365 or Premiere Pro.

[@TrailForged]

@@stevenstrackdays2687 I’ve been seeing about 5-7psi increases coming off track after 20 minute sessions, so I haven’t been worried about it. 50psi is max cold rating, so it shouldn’t be a problem to exceed for short times. I’ve been looking at carbotech, those or isweep is3000 will probably be my next step. Also going to do the 034 Motorsport upper control arms to bring front camber in to prevent that tire roll.

[@TrailForged]

@@stevenstrackdays2687 when’s your next track day? I’ll be at Sonoma May 29/30 with NASA

[@stevenstrackdays2687]

Make sense. I usually saw 6-8 increase but once I saw 10 increase lol. I want to adjust the camber too. But replacing the arms look too difficult. Any repair store recommandation? I'll be at Thunderhill 3-mile on 5/8.

[@TrailForged]

@@stevenstrackdays2687 034 can install and align them for you, they are down in the South Bay, Fremont IIRC

[@power3L]

Did you use the stock brake fluid? In your track day driving did you ever experience any brake fluid overheating related brake fades? I have a 2019 (B9) S5 and using your videos for track day setup inspirations. I enjoyed your video a lot, thanks for making them!

[@stevenstrackdays2687]

I've changed it. Please check my video of changing brake fluid.

[@weetakiya2656]

兄弟 我是原厂的 跑赛道怎么样啊 也是B9 s4

[@stevenstrackdays2687]

Stock S4 is totally ok on track. Just don't push brake to the limit. Press brake earlier. Focus on the acceleration and racing lines.

[@weetakiya2656]

@@stevenstrackdays2687 thanks!!

[@weetakiya2656]

@@stevenstrackdays2687 原厂散热跑起来还好吗 不用冷却啥的吗

[@stevenstrackdays2687]

Good for 1st and 2nd day on track. If you push brake to the limit all the time, a brand new brake pad will be used up in 40 minutes. So, just brake heavily at most once per circle. Later, you need racing brake pads like carbotech.

[@KingModestCars]

what engine oil do you use?

[@stevenstrackdays2687]

Stock oil. Follow the maintenance schedule once per year. I may add stock oil after a track day.

[@KingModestCars]

@@stevenstrackdays2687 stock oil you mean 0w20?

[@stevenstrackdays2687]

Yes, 0-20w VW 508.00. I bought from my local dealer. ECS Tuning sells 3rd party oil with VW 508.00 specification too.

[@KingModestCars]

@@stevenstrackdays2687 got it, I use the same. But have you seen too hot oil temp on the track? Because after just several pulls my temp is 110 Celsius, and I do not know if it is normal or hot already.

[@stevenstrackdays2687]

I'm not sure too. I guess if it's too high, the car will show an alert, right?

[@KingModestCars]

will tune your car? I assume it will be more interesting for you

[@stevenstrackdays2687]

Good idea. I'm still new. I'll improve my skills first. I'll try that after I get consistent lap time of the track. Thanks!

[@KingModestCars]

@@stevenstrackdays2687 have you noticed performance decrease after some laps when car get hotter?

[@stevenstrackdays2687]

Not really although I didn't pay much attention. Did you notice a difference?

[@KingModestCars]

@@stevenstrackdays2687 intake air temp is going nuts after 10mins on a hot day

[@raix63]

What’s your recommended brake pads and rotors?

[@stevenstrackdays2687]

I'm still looking for a good combination for track. Still trying.

[@raix63]

@@stevenstrackdays2687 how about for your daily? I’m also looking for both.

[@stevenstrackdays2687]

I'm using stock brakes since I let dealer repair my brakes (in my last video). I used EBC Yellowstuff on street but didn't really notice big differences.