Originally Posted by
andy733
after being at the australian titles and helping one of the guys running this car,one solution is to keep the split between the gears the same (ie.odd gap in both pinions and 2sp 15/20 53/48).the guy i helped tried a different 2sp gear and it stipped but went back and had no problems after that. i hope this little bit of lnfo may help in some way.
just a side note, i ran 54/49 and 15/21 without an issue.