Heads can be straighted by heating without shaving them if the shop is set up
to do that.
Greg
-- Jim Gammon <gtpjimgammon@yahoo.com> wrote:
Years ago I had a head warp on my first roadster, and like an idiot, I had it
shaved.
A few weeks later the cam broke in half.
You can't make this stuff up.
Jim
Dave Stoll <dgstoll@verizon.net> wrote:
There is a tolerance for how flat the head is. None are perfectly flat. If
the head is curved so that the ends touch the top of the block first, by
starting torquing the bolts in the middle first you pull the curve down and
flatten the head. If you were to start tightening the bolts at the end first
it would be much harder to pull the head down flat in the middle..we are
only talking a couple thousandths but thats all it takes to get a leaky head
gasket.. I believe the tolerance on the 1600 heads is .003 to .005
thousandths of an inch or about the thickness of a piece of notebook
paper...
daveS
----- Original Message -----
From: "dave"
To: "'Bubba'" ; "'Datsun-Roadsters@Autox. Team.Net'"
Sent: Wednesday, March 05, 2008 8:36 PM
Subject: Re: [Roadsters] Cylinder head
>I never heard that before, I didn't think a cold head woul warp from the
> torque being let off unevenly, but I guess it's possible. Not refuting
> it,
> just news to me.
>
> Dave Brisco
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