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#1
10-06-2004, 04:43 AM
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Re: 69 big block starter heat shield
Is the shield stainless or galvanized?
Its a no-brainer!! Galvanized steel is magnetic, stainless is NOT. Use a simple magnet if in doubt. Keep in mind that GM always used two different part suppliers to avoid interuption at the final assembly plants. Its possible that some cars got stainless and others got gavanixed.
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Craig S. "I saw Elvis At 1000 Feet" John Force. 
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#2
10-06-2004, 08:02 AM
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Re: 69 big block starter heat shield
[ QUOTE ]
Galvanized steel is magnetic, stainless is NOT. Use a simple magnet if in doubt. [/ QUOTE ] Some kinds of stainless steel are magnetic, others are not. My heat shield certainly seems to be stainless, it is nice and shiny and has no rust or pitting. But it attracts a magnet too.
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#3
10-06-2004, 08:11 AM
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Re: 69 big block starter heat shield
Yes some stainless is magnetic, it depends on the nickle content. I believe 304 stainless is non-magnetic.
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Steve Shauger The Supercar Registry www.yenko.net Vintage Certification™ , Providing Recognition to Unrestored Muscle Cars. Website: www.vintagecertification.com
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#4
10-06-2004, 06:50 PM
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Re: 69 big block starter heat shield
metallurgical hump
__________________
 <span style="font-weight: bold"> (__{B}_____]]]]~~~~</span>Don't mess with old farts - age and treachery will always overcome youth and skill! Bullshit and brilliance only come with age and experience.
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#6
10-06-2004, 09:04 PM
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Re: 69 big block starter heat shield
Is that you humping Ricks(MR70)leg? We know who the real hump is.. ya hump.
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#7
10-07-2004, 02:21 AM
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Re: 69 big block starter heat shield
About 6 months ago I asked a friend at a chevy dealer to do a search for a heat shield for my L78 nova. He found two originals (galvanized metal) in Texas. I bought one, and it arrived in an original 1969 GM filthy package. I paid about $8 for the part and around $12 for shipping.
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Dean
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#8
10-07-2004, 04:22 AM
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Re: 69 big block starter heat shield
Itys a pic of Charley with one of those Chinese aardvarks he has.
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<span style="font-weight: bold"> (__{B}_____]]]]~~~~</span>Don't mess with old farts - age and treachery will always overcome youth and skill! Bullshit and brilliance only come with age and experience.
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#9
10-07-2004, 04:26 AM
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Re: 69 big block starter heat shield
Shut up you Tick.............
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......
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#10
10-07-2004, 06:35 AM
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Re: 69 big block starter heat shield
[ QUOTE ]
[ QUOTE ] Galvanized steel is magnetic, stainless is NOT. Use a simple magnet if in doubt. [/ QUOTE ] Some kinds of stainless steel are magnetic, others are not. My heat shield certainly seems to be stainless, it is nice and shiny and has no rust or pitting. But it attracts a magnet too. [/ QUOTE ] Very interesting to say the least. Sounds like you have a nice original carbon steel shield survivor. Over time, galvanized parts will lose their 'garbage can spangle luster', and look like stainless, silver cadmium, or zinc chromate. What coating do you think is on your part? Or...what alloy do you think it is made of? I'am skeptical that it is stainless. Lets help Belair get over the 'metallurgy hump'... 
__________________
Craig S. "I saw Elvis At 1000 Feet" John Force.
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