<VV> cylinder head drawings

Mike McCrae mmccrae6 at cox.net
Sun Nov 13 01:46:32 EST 2016

Thanks Doc....I guess I’m just used to +- figures rather than actual numbers.... , this really makes more sense!


From: RoboMan91324 at aol.com 
Sent: Saturday, November 12, 2016 4:18 PM
To: virtualvairs at corvair.org ; mmccrae6 at cox.net 
Subject: cylinder head drawings


You give minimal info and I don't have head drawings in front of me but what you might be talking about is what are called "tolerances."  In effect, the dimensions can be no larger than the biggest dimension and no smaller than the smallest dimension.  What is correct is if the actual dimension falls between the two dimensions.  Otherwise, it is said to be "out of tolerance."

In a message dated 11/12/2016 9:00:07 A.M. Pacific Standard Time, virtualvairs-request at corvair.org writes:
  Message: 1
  Date: Fri, 11 Nov 2016 11:01:13 -0800
  From: "Mike McCrae" <mmccrae6 at cox.net>
  To: <fastvair at yahoogroups.com>,    <virtualvairs at corvair.org>
  Subject: <VV> cylinder head drawings
  Message-ID: <D9E55DDD5B1D4CCCB55A4FB56CD63F7D at MichaelPC>
  Content-Type: text/plain;    charset="iso-8859-1"

  When referring to the blueprints of the cylinder heads, there are two values given  for the dimensions, one over the other.
  Why is this, and which value is correct...?

  Mike McCrae

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