Miata Mailing List: December 1998, Message #115

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Actually, the Racing Beat (RB) and Power Pulse (PP) CAIs are completely
different.  Check out the RB kit on RB's website (whatever the URL is).

Eric

Will Brown wrote:

> Oh I think I see what I did (I'm the confused one) - isn't the RB one
> referred to sometimes as the "power pulse" or something?  If so, I
> got the "P___ P___" names confused between the two.
>
> \/\/
>
> On  1 Dec 98 at 9:59, Eric A. Amador <eria@validigm.com> wrote:
>
> > Actually, Will, perhaps I misspoke (miswrote) earlier, but I was
> > trying to describe the Polar Power kit when I described a cold air
> > duct that exits near the air filter/intake.  (I think I accidentally
> > sent my message out in the midst of editing it, then re-sent it in
> > proper form later.)  As far as I can tell from the pictures, the
> > Racing Beat CAI kit has an air intake "mouth" that is located and
> > shaped in a manner similar to the JR CAI.  By contrast, the PP kit
> > has a conical K&N air filter mounted  near the corner of  the valve
> > cover.  (See www.avatar.com/~kory/ppicai.htm).  An optional flex
> > hose (see the red hose end) carries air from the car's mouth up to
> > the top of the radiator.
> >
> > Regards,
> >
> > Eric Amador
> >
> > Will Brown wrote:
> >
> > > I've been thinking of putting in a nitrous system this coming spring,
> > > along with a CAI (CAI first).  Was originally thinking of the RB CAI,
> > > since it maintains a crossover tube... as you need a spot upstream
> > > from the throttle body to inject the nitrous (wet manifold setup).
> > > But then Eric Amador posted saying the RB CAI only has a CAI duct
> > > that *exits* near the stock intake - the intake in this manner is not
> > > sealed off.  So "phooey" think I, and start to lean again towards the
> > > JR unit.  But, I would need to mount this nitrous injector thingy
> > > about 6" upstream of the throttle body... is there that much intake
> > > tract left, once the JR CAI is fitted?  I've never seen one in
> > > person.... and the typical "top down" shot of the engine bay doesn't
> > > convey the info I want.  Anybody got a JR CAI on their 1.8 and a tape
> > > measure?  :-)
> > >
> > > \/\/
> >
> >
> >