you might go to scream and fly and ask some questions about it... they run lotsa coned torque masters on on tha big three liter motors with few failures.. they also stress tha case way more than tha normal folks with 30+ pitch props running way high outta tha water... jus research any answers ya get..... jmo.
BBC also (don weed)....
no where does this suggest he needs a "coned" case!... simply tells that they STRESS a case way more than tha normal guy with few problems!.. might know tha right combination of parts/set up tolerances ta make it live.........
Sorry but thats the way I was reading it and if that's the way I was reading it, then others may have took it the same way. This guy simply wants opinions as to which one is the best.
No lower is going to withstand consistant "Stump-Knocking". You bend a shaft or a blade and keep running it, the lower will eventually fail. Torquemaster lowers as have previously been mentioned were built with better gears, bearing carrier, and a bigger shafts. It has also been documented that some of these bigger shafts were forged with inferrior metals which cause some to fail (comes from Scream and Fly and Fastbass sites). Mercury chose not to recall them all because they did not know which ones were effected but rather chose to replace as they failed.
I personnally run a coned TM and have for 4 years now. It is run at much higher rpms than a normal LU and only issue is you cannot run them full of fluid cause the pressure build up will cause seals to leak. An oz or so should be drained to allow for fluid expansion and pressure.