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Old 12-27-2012, 09:01 PM   #1
Half Crazed
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Default Invidia Up Pipe EGT Bung?

Hi guys, looking to see what size this bung is. I really need one and completely forgot about this. Being it 5am in the morning, my not-so-smart idea to plug the hole was with a bolt that (a) didn't fit, and (b) had some high temp gasket seal around the head of the bolt... figured it would work. Doesn't work so well when you get into the higher rpms

So, I've heard that the bung is M12 x p-1.25 - no idea what this means, and I can't seem to find any stores with it... if you're familiar with it, let me know... otherwise may take it to an muffler/exhaust shop and have them weld it closed - would prefer not to do this unless I really have to.

PS: Q300 sounds a bit ricey.
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Old 12-27-2012, 10:47 PM   #2
Half Crazed
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Hmm, the more I look into this, the more it seems like I can just go to some auto parts store and find one..
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Old 12-27-2012, 11:26 PM   #3
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d00000000000000d....ive jb welded bolts into those bungs and been done with it

also...using a stock egt probe---cut the probe off with some dykes flush, closest to the hex....and install with jb weld works too
'
and if you go to a hardware store and find an M12x1.25 bolt about 15-20mm long it will be fine
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Old 12-27-2012, 11:50 PM   #4
Half Crazed
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Ha, I was going to use JB weld at first but the package said it could only withstand up to 400-600 degrees or something of that sort.. figured this would get much warmer than that.

I'll look into the bolt.. I wrote down 12mm x 1.25 - 1/8" NPT thread... just based on a couple hours of searching.
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Old 12-28-2012, 02:13 AM   #5
Uncle Scotty
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Quote:
Originally Posted by Half Crazed View Post
Ha, I was going to use JB weld at first but the package said it could only withstand up to 400-600 degrees or something of that sort.. figured this would get much warmer than that.

I'll look into the bolt.. I wrote down 12mm x 1.25 - 1/8" NPT thread... just based on a couple hours of searching.

its not npt i dont think and ya wont find any 'bolt' that is npt

and jb weld may not last forever but it will last a while....and ya bought the wrong up pipe, anyway
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Old 12-28-2012, 11:02 AM   #6
Half Crazed
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Alright, just bought an M12 x 1.25 oil plug at Oreilly and it fit just fine.. doesn't go all the way in but who cares, it plugged the hole.

Hope this helps someone else.
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