<VV> Rochester HV Accelerator Pump

James Davis hurricanehazel16 at gmail.com
Sat Aug 25 19:03:32 EDT 2018

There is a ball seal in the bottom of the accelerator rod.  If you nove the
rod slowly the ball remains unseated by gravity.  When the rod is moved
readily the ball seats and gas is pumped into the orifice.  Bob Helt has a
carb boot that explains it all.
Jim Davis

On Sat, Aug 25, 2018 at 4:52 PM Doug Mackintosh via VirtualVairs <
virtualvairs at corvair.org> wrote:

> Hello, all! My understanding is that the accelerator pump should squirt on
> quick throttle application, but not when the throttle is opened very
> slowly. Does anyone know how the Rochester accelerator pump system avoids
> squirting on slow throttle application?
> -- Doug Mackintosh Corsa member since 1996 Corsa/NC member since 1996,
> Virtual Vairs member Corvair owner 1969-1971 and 1996-on
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