The GR86 & BRZ unfortunately suffer from a bit of an oil pressure problem out on track. Specifically during right hand high g-force turns so if you are tracking your car here is some info that you're going to want to know to help minimize the chances of your cheap fun sports car turning into a financial character building exercise!
Great question! As oil starvation is one of the most controversial topics about the 2nd generation BRZ / GR86.
When talking about oil starvation on the GR86 / BRZ typically we're talking about important engine parts like engine bearings not getting enough oil. Leading to extreme friction, oil ending up in your heads, and sometimes causing your engine to.... ya know, blow up.
The general rule of thumb for oil pressure for FA24 is
10 PSI per 1000 RPM + 10 PSI
(Up to around 60 PSI FA24)
A number of things can cause oil starvation, but here are the ones we most commonly see.
Subaru's FA24 due to it's flat design has more space in the heads and timing cover for oil to slosh into, when hard cornering. That means if oil is going to those ares, they're not in the oil pan. If it's not in the oil pan, then you are well on your way to oil starvation.
Now this may not be an issue right away, but overtime as this consistently happens this can lead to huge catastrophic failure.
Regular daily driving / canyon driving - honestly, you'll be fine.
Tracking your 22+ BRZ / GR86 - If you find yourself regularly tracking your car, this should be something to think about. Most typically happening on track during
The least invasive and most effective way to deal with oil starvation/oil slosh, introducing the Verus Engineering Oil Pan with built-in Baffle. These oil pans are perfect for those on track and they're much cheaper than replacing an FA24.
Protect your FA24 from oil starvation with the upcoming Verus Engineering Oil Pan + Baffle, developed specifically for the 2022+ Subaru BRZ and Toyota GR86. Designed for drivers who push their cars at HPDEs, autocross, and track days, this upgraded oil pan increases capacity and integrates a baffling system to keep oil at the pickup during high-G maneuvers. The result is added reliability and confidence when driving at the limit.
This video/article wouldn't have been possible without 900brz's testing and data logging. If you want to see the process and how just how much the oil pan will help with oil pressure be sure to check out his channel.
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We're back out in California for 86 Day! I crammed in as much into these few days as I could. We installed an UEL header onto Kyle's VB WRX with the stock catback, went to an 86 meet hosted by / anothergr86 and / thatredgr866 , hosted our own meet with @spamsubie at @BattleAero , then we set up our booth over at Alpharex for their 86 Day meet with GR Movement which was a huge success! I probably saw more 86s there than I've seen in 3 years in Iowa! Thank you to everyone who came by to say hi! After that, we spent the next morning ripping some canyon roads with Tim and Adriel's GR86s!
Two Build Philosophies: Which is best for your GR86/BRZ?
Read moreabout Two Build Philosophies: Which is best for your GR86/BRZ?
