On Thu, 8 Aug 2002, Larry Alofs wrote:

> I know very little about diesels.  Can someone tell me why they need
> vacuum pumps.  Isn't there enough vacuum at the intake to run power
> brakes etc.?

Diesels have no throttle plate, so there's no restriction in the intake to
create manifold vacuum.

             _ _
  __ _ _   _| | |  | David M. Brodbeck (N8SRE)              Ypsilanti, MI
 / _` | | | | | |  +-----------------------------------------------------
| (_| | |_| | | | @ cyberspace.org
 \__, |\__,_|_|_| "Geekdom is fantastic at being AGAINST something, and
 |___/             it's hopeless at being FOR something."
                                      -- Andrew Orlowski in The Register.