Yeah, looks like they reused the original engine mount holes, which are elongated for different gearing, so maybe you can add a couple teeth to that at least.
Looking at the install pdf: http://www.losi.com/ProdInfo/Files/LOSB0017_Manual.pdf
They did change the bevel gears, but the gear flip...
Pick up some RC Raven dual rate springs. I really liked those on my aftershock. Also, RPM arms with lunsford turnbuckles in them. Don't even try and use the turnbuckles that come with the upper arms, they snap off then you have to mangle the arm to get the pieces out.
One other thing I'd do for...