View Full Version : Exhaust manifold studs are hard to find, I guess.
ThatWhiteNA
01-01-2012, 07:44 PM
So, I've been missing a couple of my middle exhaust manifold studs since I bought my NA and it's never been a bother before. However, I just developed an annoying exhaust leak and I figured that I might as well eliminate all potential causes. Does anybody know where I can buy the studs and nuts individually? I figure it will be from a dealer website, but part numbers would help me. My Google searches are only turning up ARP head stud kits that I don't want. Thanks in advance!
Neezer
01-01-2012, 08:40 PM
This is the site I use for finding part numbers.
www.jimellismazdaparts.com
zenit
01-01-2012, 09:27 PM
http://parts.arlingtonmazda.com/products/STUD%2C-EXH.-MANI-%28B660%252d10%252d104A%29.html
Here.
It's expensive and it might take a while.
AFAIK there aren't any aftermarket exh studs. (ARP has accessory studs that fit.... but they're chrome and they might really seize in the head)
A junkyard would be free, and I think the B6 and BP motors had the same studs.
Make life easy, find a BG chassis protege, where the exhaust faces the front and steal a few studs.
ThatWhiteNA
01-01-2012, 10:09 PM
^Treasure Coast Miata buys and/or strips every Miata that comes to the local junkyard and there's never any Proteges, so that's out. Now that I think of it, maybe I can pick up a couple from them. Thanks for the links!
The Jim Ellis link certainly helped. Good gravy they're expensive...
kung fu jesus
01-01-2012, 11:23 PM
m10x1.25, 40mm L (IIRC). hardened. Grade 8 or better.
use copper or stainless stover nuts or k-nuts.
happy hunting!
Nevadabob
01-01-2012, 11:28 PM
MiataRoadster kit (http://miataroadster.com/miataroadster/miataroadster_exhaust_manifold_fastener_kits/mremfk/i-412315.aspx)
kung fu jesus
01-02-2012, 11:07 AM
^Treasure Coast Miata buys and/or strips every Miata that comes to the local junkyard and there's never any Proteges, so that's out. Now that I think of it, maybe I can pick up a couple from them. Thanks for the links!
The Jim Ellis link certainly helped. Good gravy they're expensive...
Just for reference, BP/B6 powered cars:
90-94 Protege
91-96 Escort GT
91-96 Escort LX-E
91-96 Tracer LTS
??-?? Capri convertible turbo
Mazda MX-3
Mazda 323?
Not sure if the SOHC B series engines have the same studs, but that opens up a lot more, too, if they do.
kung fu jesus
01-02-2012, 11:19 AM
https://www.belmetric.com/s10x125x42-p-1375.html?zenid=vusntbqdjgkie1ejo56bg6u9u4&cPath=9_72_174
http://www.ebay.com/itm/10mm-Exhaust-Studs-Lock-Nuts-M10x1-25-Manifold-Flange-/150598645668
m10x1.25, 40mm L (IIRC). hardened. Grade 8 or better.
use copper or stainless stover nuts or k-nuts.
happy hunting!
Size is correct. I like Rosenthal a lot that is if you want to buy new.
ThatWhiteNA
01-02-2012, 11:51 PM
Thanks for the links, KFJ! Also, I forgot about the Capri. The junkyard had at least two with the engines still sitting in the bays the last time I was down there. Potential score!
zenit
01-03-2012, 07:13 PM
^Treasure Coast Miata buys and/or strips every Miata that comes to the local junkyard and there's never any Proteges, so that's out.
Geez. Jerks.
I depend on junkyard trists for my random nuts&bolts.
Thankfully we don't have any companies like that here, so I can pick the good stuff.
Like my $10 toploc :cool:
ThatWhiteNA
01-03-2012, 08:46 PM
Geez. Jerks.
Oh, no. They're very nice people with great part prices. They might not even be the ones gutting the cars, but I can't imagine them not at least stopping in with all of the Miatas that come through.
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