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-   -   Test Pipe bolts keep coming loose (https://www.myg37.com/forums/intake-and-exhaust/298708-test-pipe-bolts-keep-coming-loose.html)

woodieg37 02-13-2021 04:14 AM
Test Pipe bolts keep coming loose
 
Been running Fast intentions test pipes for about two months and running into problem with bolts keep coming loose where they connect to stock manifold. I guess this is a big problem with all the vibrations and heat?

From my research I found to try Nord Lock washers? I don’t think Loctite would do anything with the high temp. Any help more suggestions thanks

Rochester 02-13-2021 06:37 AM
Serrated flange bolts, maybe?

EMPIR37 02-13-2021 02:32 PM
https://www.nord-lock.com/en-us/

Used these on my SR20 downpipe, which are notorious for backing off, not a single issue in 5 years.

woodieg37 02-16-2021 11:44 AM
Originally Posted by Rochester (Post 4290548)
Serrated flange bolts, maybe?
That’s what I’m running. If come lose again I’ll just throw the Nord-Lock Washers on

woodieg37 02-16-2021 11:47 AM
Originally Posted by EMPIR37 (Post 4290564)
https://www.nord-lock.com/en-us/

Used these on my SR20 downpipe, which are notorious for backing off, not a single issue in 5 years.
5 years. Sounds good to me. Thanks

The Pope 02-17-2021 05:29 AM
Fuji Locking Nuts are what I've used on my motorcycle header.

https://www.fun.co.jp/english/products/u-nut.php
https://www.mefaco-intl.com/fujilok-u-nut/

woodieg37 02-17-2021 10:04 AM
Originally Posted by The Pope (Post 4290777)
never heard of these before


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