[Fastest H-Town Realtor]

Ok..a small blower lesson is called for here.

1-Centrifical blowers,like the Cool Charger/Powerdyne unit is going to build boost starting at about 2500rpms. The boost will gradualy increase as rpm increases. 1psi at 2500, 2psi at 3500,3.5 at 3500...ect. This type of unit makes its boost at higher rpms.if you go higher, like to 10-12 psi, the last 5 lbs would hit in a span of 2000 rpm. Hence, an absolute monster in the top end range.

2-A Lycholm/twin screw type unit starts its boost at 2000 rpm, but the entire 5-6 psi checks in by about 3500 rpm. Hence, a much better unit for low/mid range rpm levels.


The bottom line is that although a centrifical blower will make a difference in performance, the twin screw unit will give the more desired effect to the H2. And that is a kick in the ass down low.

The GM warranty covers drivetrain if nothing from the throttle body to the exhaust manifolds have not been tampered with. Yes, if you roll up with a blown block and a blower installed, the local GM rep is going to try to void out the warranty. This has been fought and won. It has also been fought and lost.

***OPINION***- I have my reservations about Coolcharger's warranty, and, to a lesser extent, Magnusons warranty. I do not believe it will turn out to be worth a hell'o beans if a major engine failure occurs. Understand, I have no practical warranty experience with the warranties of either product. ***OPINION OFF***