<VV> New throttle shaft or...

[Cliff Tibbitts]

Tony, I cannot speak with much authority, except to say that I put a new
throttle shaft in an old carb and it seemed to help quite a bit.  Clark's
sells them and I for one think it would be worth a shot.  I also know that
there are several exotic ways to improve the fit of the throttle shaft, but
I would try the easy way first.  Be careful how you put the plate back in.
Some of them are beveled and if installed upside down, you could have real
problems.  Might want to mark the plate with a sharpie before you take it
out.  Also, supposed to peen over the small screws that hold the plate in,
but I haven't figured out how to do that.  Maybe someone else can tell us
that. 

Just my 2 cents worth, 

Cliff Tibbitts
Lexington, KY

-----Original Message-----
From: virtualvairs-bounces at corvair.org
[mailto:virtualvairs-bounces at corvair.org] On Behalf Of Secular
Sent: Friday, September 15, 2006 9:23 PM
To: virtualvairs at corvair.org
Subject: <VV> New throttle shaft or...

  Hi:

  I have a very unique car (don't we all) --  It's a 1960 Monza with 140
heads (4 carbs). All the carbs are 1963 model primaries.  

  The Otto 90 degree rotation is installed however one of the carbs (which I
rebuilt recently) has a bad/worn throttle shaft. I say that because even
with the help of a spring installed, it does not COMPLETELY return to idle.
(I've tried various strength springs). The linkage is good/tight and has tie
rod end bearings. 

  Here is my question:

  I'm fairly familiar with Rochester Carbs, however I have never installed a
new throttle shaft. In your experience does the body of the carb (where the
throttle shaft goes in) gets worn also, or is it the shaft itself which
wears out? 

  I guess I'm debating between buying a new throttle shaft and/or starting
with a fresh carb. 

  Regards,


  Tony
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