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Maybe it is how you use the car. On track or 30min autobahn blast its evident you benefit from improved cooling. It was just about getting hp out from engine.

old thread but good discussion earlier so updating with good article from Whifbitz https://www.garagewhifbitz.co.uk/toyota-gr-yaris-tuning-guide/

congrats for new GR! cool idea with that windshield water system but the reservoir is ridiculously small so you'll run out of juice in no time. for camber I'd start from -2.5' front and -2' rear and then iterate from there based on your liking.

I'm not sure from where the temp is received as using aftermarket system where you cannot see spesific PID's but tested yesterday its not MAF. Assuming its the one MAP sensor in intake manifold.

Admins could edit the thread topic to CAT (Charged air Temperature) to clear out the confusion.

my own stupidity - its actually CAT post IC so from MAP sensors. So this explains better why air heats up to +10'C ambient after some driving. But in that regards intake temps are ok. My audi peaks 50'C after one pull.. :D

unlikely them becoming officially to EU (just guessing but still). but of course you can order from Japan or OK.

yeah I've done it byself.

I ordered similar pin locking type now. the one I used previously was crap as it was not tight and it always become a mess.

Often even small brake fluid bleed / refill helps to refresh the system after track session. so It's a good habit to do if you notice any fatigue in brakes. + that cleaning of pads and discs.

replace with aluminum/titanium/carbon/kevlar resolves usually the issue

is it due to better suspension so you have lack of feel for the bumps or what is the case here? stiffer springs eliminate chassis movement so you cannot play that easily with weight transfer but I believe road feel should not be destroyed with better suspension?

its all relative. with my A2 the intake temps are at 50'C after one pull so in that regard GR is quite good performer. Hot air is less dense so you cannot make that much power if intake air is hot. that's one of the reason we like cold days here - they're good for turbo cars.

Anyone using Cusco Sport G? They seem to have both gravel and tarmac setups available with reasonable price. Gravel seems to have proper ground clearance aswell.

Went for a random drive with GR. A merc A Class challenged us in a roundabout race but we won!

Not all

Took car to turbosmart bov service to our loved Toyota service rep. Valino's feel crazy wobbly vs. Nankangs. maybethe'yre narrower but also the sidewall feels quite soft. of course its taller tyre also, but still. New valve is more silent than stock 😂. Well it should be more robust, at least.

rally2 shell is impressive as seen in bare flesh. especially the strut mounts are completely redesigned - no wonder it jumps so nicely. Would be a really nice place to work there.. !

who has the worlds fastest GR Yaris?

for such you'd need dedicated sensors for brake pressure and steering angle. I had such for race car by using Race Technology Data gathering but haven't gone there since. often generic gps related data logging with video support provides sufficent data based on which to improve. (currently using...