Originally posted by Team-RTR
X12 and NSR are not the same motor. for starters the X12 is ABC construction, the NSR is AAC.for anoyone who has also seen both motors go, the X12 is an absolute scearmer, alot faster then any NSR i have ever seen. i have heard that the X12 is based on the IDM .12 motor.
I have an NSR and it is not AAC. It is ABC with Microcast Piston, and it it ballistically fast!