Haven't seen it myself yet
playing with the sc12's for a while on both my car and a friends, the only thing thats broken in them was the barings seezing. But no melting to be seen. This Setup was standerd 4AGZE with a HKS Crank pulley (?170mm?), the engine rev limiter is set to 8500 and it...
Justen, Look on Toymods to find him, I live not far from him, and should be helping me convert my crappy MX83 Cressida (7MGE) to 1UZTTFE!
http://toymods.net/forums/showthread.php?p=333634#post333634