> I just got a catalog from Racing Beat and noticed that they are selling a
> "new" supercharger for the Miata. It is made by VS Enginering? They claim
> a 50% HP increase and offer only a 3 year warranty. Does anyone know
> anything about this unit?
Could that be "VF-Engineering/" See:
http://www.vf-engineering.com/mazda_miatamx5.htm
It's a centrifugal blower kit for 1999-2004 Miatas. Reports from owners
on miataforum.com suggest that it works as advertised, is an easy
install, and behaves more like a turbo than a positive-displacement unit
like the JR--i.e., a gradual rush of power instead of the feel of a
larger engine. There is no kit for pre-1999 Miatas.

Signature
Lanny Chambers, St. Louis, USA
'94C
the alignment page:
http://www.hummingbirds.net/alignment.html