<VV> Re: High Speed Miss

vairologist@juno.com vairologist@juno.com
Sun, 28 Mar 2004 23:21:32 -0500


> From: "Ron Lloyd" <ronvaldd@sbcglobal.net>
> To: "virtual vairs" <virtualvairs@corvair.org>
> Date: Sun, 28 Mar 2004 17:21:55 -0800
> Subject: <VV> Please help
 at about 90mph it starts to lurch again. My timing is set 
> a 24 degrees. I have a petronix ingnition system and am running a dual 
> throat webber 40 dcoe carb. I also have a Dale advance/retard unit and
have 
---------------smit-----------
Smitty says:  Ron it sure sounds like the plugs or wires are failing when
the combustion pressures get real high.  My bet would be that the plugs
have a few thousand miles on them.  Another possible is detonation that
you can't hear over the mechanical noise at speed.