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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.

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Old 03-14-2015, 02:02 PM   #15
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Originally Posted by KoolBRZ View Post
The other, fiber sandwich, gaskets are the wooooooorst. The exhaust nuts aren't supposed to be torqued very tight, so the cheap fiber gaskets leak. I know, I've used them before.
This is what I'm looking at. Some of them have different titles for the same part number so it may not look exactly right, but these are the part numbers the dealership provided. It doesn't say anywhere what they are made of, do you think these are the bad kind? Thanks for being helpful.

http://subaruparts.com/parts/index.c...&siteid=218240

http://subaruparts.com/parts/index.c...&siteid=218240

http://subaruparts.com/parts/index.c...&siteid=218240
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Old 03-14-2015, 02:05 PM   #16
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http://www.ft86speedfactory.com/exha...851e89e249c354
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Old 03-14-2015, 02:30 PM   #17
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Where are the exhaust manifold nuts? They aren't supposed to be reused. I know because that's how I stripped mine. You can use the old nuts as lock-nuts after doing a final re-torque of the new factory nuts. I wouldn't trust factory gaskets that cheap. I would get the stainless steel ones from the link in the post above instead. Make sure to get new nuts, use a torque wrench, and quality header gaskets. Loosen exhaust pipes back to the mid-pipe, and tighten from the header, then over-pipe, then front-pipe, and mid-pipe last, after making sure the over-pipe clears and doesn't rub or rattle.
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Old 03-14-2015, 02:47 PM   #18
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I'll order from ft86speedfactory. Thanks
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Old 03-14-2015, 03:09 PM   #19
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@KoolBRZ - I wasn't aware that you need to replace the header nuts? I reused my original ones. Can you confirm they definitely need to be replaced...thanks!
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Old 03-14-2015, 03:50 PM   #20
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Originally Posted by ap5512 View Post
@KoolBRZ - I wasn't aware that you need to replace the header nuts? I reused my original ones. Can you confirm they definitely need to be replaced...thanks!
don't take kool seriously.. don't need to replace header nuts
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Old 03-14-2015, 04:37 PM   #21
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Quote:
Originally Posted by ap5512 View Post
@KoolBRZ - I wasn't aware that you need to replace the header nuts? I reused my original ones. Can you confirm they definitely need to be replaced...thanks!
That is what Subaru recommends, and I stripped several of mine by over-torquing.
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Old 03-14-2015, 04:48 PM   #22
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I wouldn't normally replace them but ever since i installed my header (ofh), the nuts have constantly becoming loose. I've re-torqued them 3-4 times already. I bought some permatex Red and gasket sealant to help with my exhaust leak.

Thanks for the info!
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Old 03-14-2015, 05:13 PM   #23
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Originally Posted by ap5512 View Post
I wouldn't normally replace them but ever since i installed my header (ofh), the nuts have constantly becoming loose. I've re-torqued them 3-4 times already. I bought some permatex Red and gasket sealant to help with my exhaust leak.

Thanks for the info!
If you had bought new nuts, you could have torqued and final-torqued on the new nuts, then used the old ones for lock-nuts.
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Old 03-14-2015, 05:15 PM   #24
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That is what Subaru recommends, and I stripped several of mine by over-torquing.
I'll let you figure that one out
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Old 03-14-2015, 05:21 PM   #25
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Quote:
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don't take kool seriously.. don't need to replace header nuts
This ^°^
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I'll let you figure that one out
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Old 03-15-2015, 01:45 AM   #26
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This ^°^

Real men aren't afraid to admit mistakes. Shameful cowards on the other hand, pick on people in the hope that others won't see their shame. What are you hiding from?
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Old 03-15-2015, 02:05 AM   #27
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Real men aren't afraid to admit mistakes. Shameful cowards on the other hand, pick on people in the hope that others won't see their shame. What are you hiding from?
One time I was making a pb&j sandwich. I put the peanut butter on one slice of bread, everything was going smoothly (the pb was chunky though) or so I thought...
The phone rang, it was my brother. Distraught about something. I tried to calm him down to see what the problem was. In my attempt to fix his problem, I created my own. I was no longer paying attention to the task at hand and haphazardly stuck the butter knife into the jelly jar... Without wiping the peanut butter remnants off, tainting the whole jar of jelly.
Later that evening, my wife went to make a pb&j, not knowing about my horrible mistake... And I let her.
This has haunted me for years. I feel like a great burden has been lifted.
Thank you, kind sir. Without your words of encouragement this horrible story would surely have drug me into a deep depression had I not come clean.


This might be disappointing, but it's much simpler than that.
I was merely reinforcing the correction of incorrect information.
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Old 03-15-2015, 03:39 AM   #28
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One time,

I strapped a jet engine to the back of my dads oldsmobile 442...

Hey do you think need to get new gas for my car? It has half a tank left, that qualifies it as used do you think its bad gas now?
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