<VV> 140 pinging

[Ron]

A dead miss, like from a loose valve seat?
RonH

----- Original Message ----- 
From: <Pitts10ch at aol.com>
To: <virtualvairs at corvair.org>
Sent: Sunday, May 13, 2007 1:04 PM
Subject: <VV> 140 pinging


> Ok guys next problem,
>
> We took the Corsa out for the first (and probably last) mother's day Vair
> cruise.  Baby seat and all.  I played with the timing and pulled the 
> bottom
> shrouds.  No pinging.  Cool day though.  Highway cruise at  75 yielded 300
> degrees cylinder head temp.  This all seems pretty happy,  however, when 
> the
> secondary carbs kick in, the thing has a dead miss.  When  they open up it 
> goes
> ffffffffffpop and then off it goes.  Any ideas?   Really a bummer on a 
> hill in 3rd
> gear.  Thanks as always.  It also  seems to fade during acceleration in 
> 3rd
> gear starting at 3200 rpm.  Almost  like worn out valve springs.
>
> Chris
> 66 Corsa 140/4
>
>
>
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