Head Rebuild Question

[rocco16v at netzero.net (L F)]

Cannot see bellow.
Can only hear bellow.
:)

Larry
sandiego16v
  ----- Original Message ----- 
  From: Marc Scirocco Quebec 
  To: scirocco-l@scirocco.org 
  Sent: Wednesday, June 11, 2003 6:17 PM
  Subject: RE: Head Rebuild Question


  see bellow:

  Marc
  '83 Scirocco
  '88 Scirocco Slegato 

  > -----Message d'origine-----
  > De : scirocco-l-bounces@scirocco.org
  > [mailto:scirocco-l-bounces@scirocco.org]De la part de Mark
  > Envoye : 11 juin, 2003 19:58
  > A : Marc Scirocco Quibec; 'Jesse Reid'; scirocco-l@scirocco.org
  > Objet : RE: Head Rebuild Question
  > 
  > 
  >  --- Marc Scirocco Quibec <marc_scirocco@sympatico.ca> wrote:\
  > > I will take it for granted that it is an 8V head that you 
  > are talking about.
  > > 
  > > Head's combustion chamber face can be milled so long as 
  > dimension from head
  > > gasket surface to cylinder head cover gasket surface is not 
  > reduced to less
  > > than 5.219 inches.
  > 
  > 
  > That's the factory minimum spec.  You can shave more than 
  > that...  I shaved my head
  > .040", and after cc'ing a chamber and a cylinder at TDC (2.0 
  > ABA), and factoring in head
  > gasket area, my compression ratio stood at 10.8:1
  > 

  I am sure it is feasable. I was just giving what was safe.

  >  
  > > You will gain around half a point (10.5) of compression 
  > ration if you do so
  > > from a stock head
  > 

  Typo here, I meant half a point (0.5), so from whatever to 0.5 more

  > 
  > This seems a bit optimistic to me...
  > 
  > 
  > > Your valves will also meet with your pistons if you ever
  > > loose you timing belt.
  > 
  > 
  > Not at the minimum factory spec you listed. 

  Unfortunately, I have 8 bent valves here to prove my point

  > 
  > 
  > Mark.
  > 80 S
  > 81 S
  > 
  > 
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