not trying to be mean but sounds like user error, and i really cant find any sound logic at all behind blaming the incompatibility of the blower/stock cam when they were designed to work together....
but if you are so confident in your diagnosis as to the magnuson blower (keeping in mind magnuson does r&d for oem's) and their engineer's lack of ability to make it work with
the stock camshaft the kits are designed for post up on
http://ls1tech.com/forums/
here is what a maggie dyno should like like when installed/tuned/setup properly
http://www.ls1tech.com/forums/attac...agnacharger-c6-vette-results-05vettedyno1.gif
since yall threw this car together in weeks, i'd suggest double checking and making sure everything is working/installed properly.