I used to use the magnet test to determin if a metal was stainless
steel but some stainless seemed to be magnetic, at the time I thought
it must be cheap stainless but someone far smarter than I informed me
that There are three main types of stainless steel, some are magnetic
some are not.
Austenitic is non magnetic
Ferritic Not sure if it is magnetic
Martensitic is magnetic. It is also known as series-00 steel
Now the question is which of these are exhaust valves made of?
But i do agree, Buy the car, ask questions later!
always wanted at gt6( and still do!)
Chris
Mk2 alfa powered/rotoflex
On Mon Aug 4 15:01 , 'Bill Gingerich' sent:
Frankly, I don't know for sure. I think the no lead exhaust valves
are
stainless. You might try pulling the valve cover and seeing if the
exhaust
valves are magnetic. If they are, they're probably steel, and
therefore
designed for leaded fuel.
What kind of shape is the rest of the car in?
Bill
-----Original Message-----
From: Daniel Parrott [parrotthead 01@comcast.net','','','')">parro
tthead01@comcast.net]
Sent: Monday, August 04, 2008 4:51 PM
To: 'Bill Gingerich'; spitfi res@autox.team.net
Subject: RE: [Spits] GT-6 MK3 in Georgia
I'll probably invest in an engine rebuild sometime in the near
future. Is
there any way that I can tell if the valve seat hardening has
already been
done?
-----Original Message-----
From: Bill Gingerich [bill@gingerich.us','','','')">bill@gingeric
h.us]
Sent: Monday, August 04, 2008 5:46 PM
To: 'Daniel Parrott'; spitfi res@autox.team.net
Subject: RE: [Spits] GT-6 MK3 in Georgia
Dan,
As I recall, they were designed for leaded fuel. What my son did
with his
'72 GT6 was to use a lead substitute that he bought at his local
auto parts
store. When you're ready to pull the head, you can have the valve
seats and
valves redone for unleaded fuel. I did that with my '74 Spitfire.
Not a
problem.
BillG
Newalla, OK
'74 Spitfire
-----Original Message-----
From: spitfires-bounces+bill=gin gerich.us@autox.team.net
[mailto:spitfires-bounces+bill=gin gerich.us@autox.team.net] On
Behalf Of
Daniel Parrott
Sent: Monday, August 04, 2008 4:38 PM
To: spitfi res@autox.team.net
Subject: [Spits] GT-6 MK3 in Georgia
I have an opportunity (?) to purchase a 1972 GT-6 MK3 cheap. It's
been a
while, but do they require leaded gas to run? If so, how do the
listers
cope with that requirement?
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