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So Another update and another youtube video. So I hadn't driven the 86 for a little while, banning myself from doing it in a way as there was a bit of an issue with it that It a little embarrassing to be honest.. the rear tyres are totally bald! And that's not to say i've been going out to my local roundabouts to hoon about but that since my rear toe has been out of alignment as a result of lowering the car it's totally eaten away at my tyres and I had no idea it was so bad, these were brand new in July! So i'm finally going to get this sorted by installing a new set of rear suspension arms and by getting a proper professional alignment once all is said and done! but it wasn't quite so easy as while I was installing my lovely new arms I ran in to a problem with the trailing arm.. they didn't fit. You can maybe see from those pictures that the arms were making contact with the hub before I was able to get a bolt fitted fully. I reached out to driftworks who got back to me within Minutes and although they weren't able to offer some immediate advice as they've not had reports of any issues from other kits they've sold they agreed to open a return for the parts to investigate and offer a solution. I'll be getting those sent off when I can but for now i've re-fitted the original trailing arm. it all looks so much better under there now. I can get the toe aligned nice and easily with the new toe arms and I can even dial out the infamous amount of negative camber that was on the rear as a result of being low. As said I documented it all in my latest youtube video which you can check out here

I asked Matt at Rogue and he said:- "In all honesty a 5W 30 should be fine. We use the 0W 30 because this oil will give you the same characteristics from cold as the standard 0W 20, but the 30 side of it gives you a little more temperature range when on track."

@willclarke as you said I'm running Miller's Nanodrive 0w30. I'm usually doing about 6-8 trackdays a year and about 5k road miles. I run an oil cooler, Cosworth sump baffle and have the vents on the bonnet uncovered on trackdays. I can happily run sessions of 30-40 minutes without the oil going above 125°. @will300 runs the same cooling set up as me except the bonnet and comparing our temps on track last year the vents were worth around a 10° reduction in oil temps.

Haha not for long. To my defense i've not driven the car at all since Denbies 😂

Just to add in I believe TD use 5w40 in their turbo kit

Abbey Motorsport recommend 5W 30 for boosted cars like my Harrop supercharged BRZ, so I stick with their advice. I do add Archoil AR9100 friction modifier after each service.

I do around 10 track days a year. I have only 1x oil change done per year and its done by Toyota using the standard oil they recommend for these cars. I have a Cosworth baffled sump but no oil cooler and I drive the car hard - but I never do more than about 10 minutes of full on hard driving. I come in for a cool down on a regular basis. But I check the oil before and after every track day. The level never goes down and its always as clean/clear as the day it goes into the engine. I think Toyota designed the cooling/oil system on these NA cars to be more than tolerant to the amount of abuse you can give them on track. But I just stay mindful that too many hard laps without a break is bad for any car.