engine

Hi, I'm facing lately a very odd behaviour on my GRY 1st Gen. Under hard acceleration (pedal to the metal), boost cut are observed at ~1.1 bar while the RPM are still in the ~5k range. Here is a short clip of the problem: It is hard to witness it in the video but these make the car all...

Hello guys just a theoretical question what would be the complication in swapping the 3cyl gr yaris engine to the evo 4g63 engine to built the ultimate hill climb car ? ;)

Used it for the first time today just to see if it was worth the ~20p additional cost per litre compared to Costco’s finest Premium 97. I have to say that the engine does appear noticeably smoother at cold idle, more linear response through the rev range and seems to pull better low down. Can...

This would be a good option for GR Yaris, to be seen if it happens. With sequential transmission it would be a hilarious. although might add few extra kg's...

Is there a clear explanation where does the power difference come from with mk2 GR Yaris? They have said that pistons or piston rings are revised part? Assuming the air intake and exhaust including cam profile is the same, so this would indicate they have upped the target boost in mk2? As they...

With the forum members consisting of a lot of ex-GT86/BRZ owners and experienced driving enthusiasts, it would be interesting to see what the general consensus is on the first engine oil change that everyone is planning on doing and your thoughts on why you choose to do it early or late. I have...

Hello lads! Long time no see, I started looking at this forum again, since I moved up the waiting queue a little (15th in my country now, what sucks is we only get one GRY a month, but I’m used to waiting at this point 🤣). I was actually just wondering if any of you lads could have an answer to...