Does anyone know gearing for 355 Challenge cars for 1995, 1996, 1997, 1998? 1999 Gearing is as follows: Spur: 25/29 Crown: 19/20 R&P: 16/57 1st: 15/46 2nd: 19/41 3rd: 23/37 4th: 26/33 5th: 29/30 6th: 37/31 Stock 99 6th gear US is better at 36/31 why a 37/31 beats me.
