Originally Posted by J57ltr
He doesn't have that information because he doesn't even know what was done, in the thread it mentions re-balancing after they are are drilled, that I believe should be common sense. It was several years later when I learned how to balance rotors.
It requires 60 HP on a Supercoupe early model supercharger to make 13psi. This has been proven before we had supercharger dyno information, and information from Eaton on the subject.
lightening the rotors was actually done on several occasions with success and failure. Not long after the thread I linked was done I did a lot of work on superchargers. I disassembled them all the way down to the bearings in the cartridge plate, I learned how to time them, because it's not as easy as you think. I weighed the rotors and all of the rotating components and had information on all of that.
Unfortunately when The SCCOA and the TBSCEC merged the information on the TBSCEC was transferred into the paying section of the SCCOA to keep out all the guys that just wanted to come and hang out and was dedicated to the technical side of SC's there is a wealth of information in there. Most of the guys there were fed up with the parrots and that's how the TBSCEC was formed. I cannot tell you how many of the guys were/are engineers with different backgrounds and the exchange of ideas is a lot of the reason why there are so many much faster SC's running M90's than there are GP's running M90's.
Another thing I see here is the piss poor porting jobs. I see ported supercahrger and look at what was done (or not done) and see a bunch of superchargers where people run a sanding roll across the inside surface of the blower housing and they call that "porting", hell that's not even polishing.
There are too many bolt on boys here that think because they bolt on a set of headers, an intake and pulley they think they know all there is to know about this platform and they are an expert. The fact is there is about maybe a handful of people on this site that know their stuff when it comes to these cars, then there are a ton of guys that barely know which end of the wrench to hold.
Then there's a guy talking about "rotational moment of inertia", but doesn't even know how much a rotor by itself weighs, how much material could be removed and it's weight, yet he's talking about light weight flywheels.
Where's that Jackie Chan frustration meme.
Jeff
you mean to tell me if i pull the supercharger that i can free up 60HP?!?! /yellow
