<VV> Cylinder Hardness Part II
Charles h. Sadek
chsadek at comcast.net
Sun Jun 20 17:49:37 EDT 2021
Thank you, Kind of info I am looking for.
From: VirtualVairs <virtualvairs-bounces at corvair.org> On Behalf Of edward
szuch via VirtualVairs
Sent: Sunday, June 20, 2021 1:09 PM
To: virtualvairs at corvair.org
Subject: <VV> Cylinder Hardness Part II
I dug up some old Chrysler block prints after I sent in my first reply and
I found a general hardness number of 170-179HB, minimum. Also on the
print was a special note saying that hardness in the bore area was to be
229HB (no minimum mentioned).
Depending on where you're checking, you may find a hardness difference on
the Corvair jug but it can/could be adjusted with cooling rates for specific
needs. Sometimes you get hard spots if the casting cools too fast in that
Sorry I missed this on the first reply but I couldn't find the drawing.
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