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Location: Cape Girardeau, MO
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Recommended exhaust studs

I have SSI's to install on my 3.0l that I bought to put in my 71. Upon inspection, I have 5 or 6 short studs including one that is really short. The rest are longer as is proper for an 82 SC motor. What studs should I buy? Pelican has 3 or 4 different ones that are 8 x 50mm or 51mm that range in price from $2.25 - $4.00. Is there an aftermarket option that is better?

I'll also need exhaust gaskets, those are pricey at $7.50 each, any other options? Edit: I found some exhaust gaskets that came with the motor, they are marked '40' and measure 40mm ID. These are right for my 82 3.0l, correct?

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1971 Light Ivory 911T - Gretchen - sold

Looking for Engine # 6114097

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Last edited by RD911T; 05-14-2013 at 07:15 PM..
Old 05-14-2013, 06:56 PM
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sudo apt-get purge 930
 
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I bought stainless from Fastenal.
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Old 05-14-2013, 07:14 PM
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Mark, is this the one you bought:

M8 x 50 A2 Stainless Steel DIN 939 Double End Stud | Fastenal
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1971 Light Ivory 911T - Gretchen - sold

Looking for Engine # 6114097

2010 Cayman
Old 05-14-2013, 07:20 PM
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Quote:
Originally Posted by equality72521 View Post
I bought stainless from Fastenal.
Worst idea ever, dissimilar corrosion issues......you can either have the studs and nuts corrode, or the aluminum head, pick one. That's the reason that fasteners are coated/plated with zinc and copper nuts are used....
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Last edited by ClickClickBoom; 05-15-2013 at 10:38 AM..
Old 05-15-2013, 10:35 AM
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I just went over to my local auto parts dealer and picked up some generic metric exaust studs ... they'll be good for another 20 years !

Cheers !
Phil
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Old 05-15-2013, 01:14 PM
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Or you can make your own from a high quality threaded rod from McMaster Carr. Thats what I did 4 years ago and they still look great. Steel is steel in general. My car is not likely to get "rusty" so they aren't a big concern. Stainless tends to gall so not always great for fasteners.
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Old 05-15-2013, 01:24 PM
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Best combo I have found is stainless studs with brass nuts.
They never seem to gall or seize...dont rust...and are relatively cheap.
Bob

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Old 05-15-2013, 04:50 PM
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