<VV> Corvair Cylinder head Identification for late Turbo

Bill Meglen tirediron at charter.net
Fri Feb 3 15:47:10 EST 2012


> Finally getting to the enlarged spark plug hole on the Turbo side of my 1966
> Convertible.  It appears that a helicoil or equivalent had been installed and
> came loose.  The resultant enlarged hole was too large even for the oversized
> Keen-sert.  The head will have to come off to be repaired (?) or replaced.  I
> was not able to get the casting number from the existing head and do not have
> the engine case number in hand.  I suspect that the turbo engine was added to
> a non turbo convertible.  I have a head bearing casting number 3819876 that
> was represented as for a late turbo engine.  It is clean but without valve
> train.  My research did not identify the head as a suitable replacement.  Can
> anyone help?  Are their any issues involved in using unmatched casting number
> heads?  Any opinions as to whether I would be better off repairing the head I
> will remove?  I have no history on engine condition except representations of
> PO.  Presume I could do a compression check on at least 5 cylinders before
> removing the damaged head.  I am unfamiliar with the turbo.  Are their off
> engine evaluations I can make before re-installing?
> 
> Bill, 
> Gardnerville, NV



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