[Healeys] Down pipes
Kees Oudesluijs
coudesluijs at chello.nl
Thu Oct 17 01:04:02 MDT 2019
Brass nuts are fairly soft so may be the split washers work there way
into the flanges of the nuts thus loosening them up. You may try SS nuts
or a steel washer between brass nut and spring washer.
Another possibility is that the lock washer loses its tension because it
gets to hot.
I am not a lover of split lock washers anyway as they damage the surface
of the nut and the item that is bolted down. I always prefer the smooth
but slightly bent ones (don't know the proper name for them)
Kees Oudesluijs
Op 17-10-2019 om 02:46 schreef Fred Wescoe:
> Listers,
>
> Today, I had to tighten the 6 nuts on my exhaust down pipes. This is
> the second time in 2 years I have had to do this. What is causing the
> nuts to work loose? Each of the 6 studs from the exhaust manifolds
> has split lock washers and brass nuts on the down pipe flanges. Each
> time time I have tightened the nuts, I tighten them until the nuts squeak.
>
> What am I doing wrong and does anyone else have this issue? What do I
> need to do to fix this? The car is a 66 BJ8 with stock manifolds and
> down pipes.
>
> Thanks for any advice, I'm stumped,
>
> Fred
> 66 BJ8
>
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