Originally posted by jaxter:
correct me if I'm wrong, but a s/c is real hard on con rods and whatever bearings are on the shaft it's belted to. Weak points on small engines. A turbo is nfg for a big motor but great on small ones that breath fast. So there is a bias towards s/c on v8's (4 bolt mains at least, if screw impellers) and t/c's on 4&6's. Make any sense?
This is kind of true. For engines that build torque at lower RPM (OHV V8's) a supercharger would be good. With larger displacement it takes a larger turbo to "fill in" that space with boost. With a roots supercharger you get more positive displacement with larger rotored supercharger.
Both cases can be argued the other way around, but there aren't too many NHRA dragsters out there with turbos. They're out there though.
-Chris
