<VV> 140 overhauls

[Roger Gault]

Assuming that you are into religious preventative maintenance, I'd replace
the pistons.  My 140 experience is that the stock piston *will* eventually
break at the oil-ring groove and the intake seats *might* come out.

That having been said, it's not appreciably more expensive to fix these
problems after the fact than it is to fix them before.  I wouldn't do
anything until I had to, since you may never have to.  Pulling heads is just
an excuse to screw up a head stud an have real work on your hands - why
tempt fate.

Roger

PS:  The recommendations I've seen don't start including splitting the case
until 90K miles, so I wouldn't go there unless something is suspicious.

----- Original Message ----- 
From: <Pitts10ch at aol.com>
To: <virtualvairs at corvair.org>
Sent: Monday, May 14, 2007 9:04 AM
Subject: <VV> 140 overhauls


> Hi guys,
>
> I am just wondering about simply pulling the heads and having the valve
> seats done, at this time it seems like it would be a good idea to do the
jugs  and
> put in new forged pistons or some updated, better pistons, then put the
> whole thing back together again.  Maybe it is just better to do the whole
> overhaul top and bottom.  Are there significant issues to be addressed in
the bottom
> end on a car with 33,000 miles on it (no auto cross).   Thanks.
>
> CH
>
>
>
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