<VV> uneven vacuum

Hugo Miller Hugo at aruncoaches.co.uk
Wed Feb 14 06:37:39 EST 2018


Is that correct? I speak as a Brit and a total newcomer to these engines - I 
have seen such a procedure described for TIMING camshafts (and I find it 
hopelessly inaccurate - when does a pushrod become 'tight' to turn?). But 
I've never heard of valves running under pre-load?

-----Original Message----- 
From: Seth Emerson via VirtualVairs
Sent: Wednesday, February 14, 2018 2:10 AM
To: virtualvairs at corvair.org
Subject: Re:  uneven vacuum

Joe - The cold adjustment involves setting the engine to TDC (at the end of 
the compression stroke) for each cylinder and go through the firing order. 
1-4-5-2-3-6. When the cylinder is at TDC, you back off the valve adjusters 
(both) until you can easily spin the pushrods between your fingers (Thumb 
and pointer). Then tighten them down until you take out the slack. The 
pushrod will be hard to turn. Then give it your pre-determined preload, 
often 1/2 a turn. Do both the intake and the exhaust, then move to the next 
cylinder. That is it.



-----Original Message-----
From: Matt Nall via VirtualVairs <virtualvairs at corvair.org>
To: virtualvairs <virtualvairs at corvair.org>
Sent: Tue, Feb 13, 2018 4:01 pm
Subject: Re: <VV> uneven vacuum



Please advise standard cold valve adjustment procedure.
========================================================


Same as a Chevy  v8!   Surely your neighbor knows how to do that?


Follow this link to Corvair Specific instructions for   Pushrod tube O-ring 
replacement and valve adjust


http://corvaircenter.com/phorum/read.php?1,958473


Matt Nall
Charleston, Oregon
http://tinyurl.com/The-Corvair-Patio

http://tinyurl.com/Matts-Tech-Pages








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