[Blown353]

Just an update in case anyone is interested...

Tonight I said what the hell and tore it apart on my own. Piece of cake, really, teardown procedure is pretty much identical to the Vortech teardown on the Mustang forum and the internals are very similar with the exception the Procharger has one more lower gear to serve as an oil slinger/aereator.

Tomorrow I'll be pressing the impeller off (Procharger uses an extra snap ring to retain the rear high speed bearing, unlike the Vortech) and getting the PN off the rear seal. Then all I have to do is hit up a local shop for new seals and a new o-ring for the case halves. I'm also going to run the numbers for the bearings that ATI uses and see what their ratings are. Oddly enough, one thing I'm not liking is the front side high speed bearing is a GMN S6204CTAA7, which is mfg. rated at 51K RPM, while Procharger rates the max safe speed of the impeller at 62,000. I'm sure GMN has some safety factor built into their maximum allowable speed rating but my feeling is that ATI is pushing their luck by rating their superchargers at 62K rpm-- which is overspeeding the bearings by 11K RPM.

I'll have pictures of everything later this week but if you have any sort of mechanical skill and access to a press this is certainly something one can tackle on their own-- as long as you don't mind taking the risk.