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Mine seems to resonate at 40mph-60mph. The vibration kicks in at around 50 mph. It goes away after 65 mph, but it's just annoying because I usually cruise at that speed.

After running the supra hard for the past couple of weeks, I decided to check the oil cap to see if there are any signs of a bhg immediately after running the car for 20 minutes. The oil cap was clean, but there was a tiny bit of smoke rising out of the oil cap opening. Is this normal?

Oh finally go some datalogging done today. 3,000-5,500 rpms AFR- 14.3 5,500-redline AFR-10.5 What is an ideal AFR? I remember it was mentioned once... I believe it may have been 11.5 or so, but my supra stinks at 11-12 AFR. Would 12.5 or even 13 be a better AFR?

My damn exhaust pipes keep scrapping the 1 pcs aluminum driveshaft. Anybody experience this? My friend with a 300zx said he had the same problem too. He ended up making new pipes to allow for clearance though. :nono: I am running the cooleeze exhaust and the last thing I want to do...