REFLECTOR: Engine backfiring

[John Dibble]

When cold, I start my Franklin engine /w 1 JR ignition, by pumping fuel into the
intake manifold.  It doesn't cause backfiring.

John

Dave Dent wrote:

> Your right I have seen this before.  Some call it the riffle valve. Manifold
> drain valve.  I have encountered this valve missing and one time causing a
> fire.  The fuel didn't drain out and it back fired and lit off.
> Good Call Andy
> Dave