Looking into super duner setup with very good drag potientals where i can spank most 4mil banshees that are pushing over 90whp. I want my R to have pretty reliable setup and whom/which company should i look up onto? Packard Racing? CT? Hybrid Engineering? Whats the highest rating? Also i need my bottomend bored out to do bigger than 310cc. Any thoughts on topend kit? Thanks :-)
I have had a lot of 4mil Banshees on my dyno that ranged anywhere from 55 HP (Poorly done 4mil with Yamaha cylinders) to over 110 hp (4 mil Cheetahs).
Good running 330s to 370s make 60 to 65 hp on my dyno. 330s and 370s in this power range will need the piston replaced about every 20 hrs or less to prevent the cracks from propagating to the point where the piston will come apart and cause a catastrophic failure.
I have not had any sphinx cylindered bikes on my dyno. I have only had one Puma on my dyno. It was poorly done and made under 50 hp.
I also think that your expectations are set too high if you plan to run with 90 hp Banshees. Regardless of what cylinder you use do not expect the bike to be usable and reliable for anything other than 300 ft drags or strictly for hill shooting.
