Ross,
I think there is a tool you can buy that will split those nuts apart. I seem to
remember a circular thing that went around the nuts and then sharp wedges
tightened down to cut through the outside then towards the center (or maybe I
dreamed that-LOL) or you can maybe figure out how to cut them with a small
dremel grinding head without damaging the studs.
Larry H.
________________________________
From: Ross Aldrich <rra_...@hotmail.com>
To: kr...@mylist.net
Sent: Sunday, September 13, 2009 8:52:51 AM
Subject: RE: KR> Corvair Head Studs
No, I was the buffoon here. I meant to say, "the head stud NUTS" rather the
the head studs themselves. I don't know what kind of trouble I would get into
if I were to strain or break a stud, but I have a hunch I don't want to find
out.
What I've done so far is to break the nuts loose - that is just barely turn
them - and then tried to back them off. I could only turn them a few degrees
before the torque wrench read 40 lb-ft - the maximum that William suggests.
I had previously soaked the tips of the studs and the nuts in two different
kinds of penetrating rust solvent. In addition, I had Q-tipped nitric acid
along the annular ring between the stud and nut threads. HNO3 reacts with
("dissolves") rust. So far I still pull 40 lb-ft of torque with no further
movement on the "loosened" nuts.
I have heard of a high frequency nut-only electronic heating device, but a) I
don't have one, b) I don't know anyone who does, c) most of the nuts are in a
location that might preclude the use of such a device anyway. It's amazing in
that it heats the bolt to red-hot without heating the stud. Of course, you
must work quickly before too much head is transferred from the nut to the stud.
Any suggestions out there would be greatly appreciated.
Ross Aldrich
----------------------------------------
> Date: Sat, 12 Sep 2009 07:10:47 -0700
> From: lah...@yahoo.com
> Subject: Re: KR> Corvair Head Studs
> To: kr...@mylist.net
>
> Sorry if I mis-spoke, I am talking about the studs that hold the heads to the
> block I believe.
> Larry H.
>
>
>
>
> ________________________________
> From: Larry H.
> To: KRnet
> Sent: Saturday, September 12, 2009 8:59:15 AM
> Subject: Re: KR> Corvair Head Studs
>
> William says not to remove them. Do you need to remove them?
> Larry H.
>
>
>
>
> ________________________________
> From: Ross Aldrich
> To: kr...@mylist.net
> Sent: Saturday, September 12, 2009 8:45:37 AM
> Subject: KR> Corvair Head Studs
>
>
> I am having one heck of a time trying to remove Corvair head studs without
> ruining them. Anybody have any experience with this problem? Any suggestions?
> Ross Aldrich
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