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Old 08-06-2020, 05:27 PM   #25
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tjanson's Avatar
Join Date: Apr 2004
Location: Underhill, VT

Originally Posted by Kjets On a Plane View Post
Don't know if you can get the nice OE radial/toothy knurl pattern nuts for the n/a manifold to downpipe anymore. Allows a socket to fit well for easy removal, functions like a more primitive nord-lock washer in a hot spot.
Nothing else has worked quite as nicely in that spot.

Good luck.
Pegasus sells locking Metric "jet nuts" with a reduced hex that might work nicely on a NA downpipe. I haven't had any issues with non-locking nuts on those studs, though, I just tighten them "FT" and they stay tight.
1993 245 DL; LH2.4, M47 - DD & Winter Beater
1978 242 GT - To Be Restored, someday
1993 245 DL - OEM+ Project
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