<VV> RE: Engine miss with rapid tach movement

[Shaun]

It sounds to me like the kind of miss you get from extremely worn
valveguides letting the valves walk around in the valveseats.
Shaun

----- Original Message ----- 
From: "Dan & Synde" <dsjkling@sbcglobal.net>
To: "Virtual Vairs Submission" <virtualvairs@corvair.org>
Cc: "Sethracer" <Sethracer@aol.com>; "Larry Forman" <Larry@Forman.net>; "J R
Read_HML" <hmlinc@sbcglobal.net>; "BobHelt" <BobHelt@aol.com>
Sent: Tuesday, May 11, 2004 9:21 PM
Subject: <VV> RE: Engine miss with rapid tach movement


> Well, now I'm really stumped!  I did find that when I put the distributer
> drive gear on that I failed to line up the mark on the gear with the rotor
> mark, It was 180* out.  Funny thing is, it ran the same when I lined it
up.
> Here's what I swapped out and the problem still exists:
> Points, points wire, condenser, cap, rotor, coil.  I tried jumping the
coil
> (+) directly to the battery momentarily to rule out the wiring harness,
made
> no difference.  The miss is intermittant and it occurs at random.
Sometimes
> it is barely noticable and all but goes away.  It is accompanied by the
tach
> needle moving, sometimes as much as 400-600 rpm but the engine itself
isn't
> changing speed that rapidly.  It doesn't seem like this would be on the
> output side of the coil but since I already tried the cap and rotor, I may
> try plugs and plug wires.  If that doesn't fix it, then maybe the
> distributer itself is not as good as I think it is.
>
> Stumped
>
> Dan Kling
> 1961 Greenbrier Deluxe, 4spd, 3.89
> 1963 Spyder, 4spd, 3.55 Saginaw (engine in the works)
>
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a name of winmail.dat]
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