Miata Mailing List: December 1998, Message #109

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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?  :-)
> >
> > \/\/
> 
> 
>