Re: Corky Bell's "rules of thumb"...exhaust size

["Randall C. Markarian" <asenna@accessus.net>]

Paul R Anderson wrote:

> I read in an OLD hot rod magazine (or Motor Trend or one of those) about
> a device.  I can't remember it's name, although I'm sure I could check
> with my Dad.
> It uses a magaphone on the end of the pipe with a cone inside it.  The
> purpose of this, I believe, is to increase the velocity of the gases and
> draw the exhaust out.  Anyone know what I'm talking about?

Exhaust gas velocity....that's an interesting thought.  I think that is
where CB was going with that.  If you increase the volume (pipe diameter)
wouldn't the gases slow causing the turbo to not spool up as fast?
--

Randall C. Markarian

Saint Louis, Missouri