John -
The manifold and head are both surfaced. Simply torque to spec - I've
never had a manifold nut com off due to vibration. I have over 100K miles
in my BJ8 if that matters. I have lots of old british cars, never a
problem.
Best,
Alan
On Sat, Dec 22, 2012 at 1:56 AM, john spaur <jmsdarch@sbcglobal.net> wrote:
> The parts book shows only plain steel washers and tall brass nuts to
> attach the manifolds to the head.
>
> Is a lock washer recommended?
>
> I have always used them but would like to know what the best practice is.
>
> John Spaur
> '62 BT7
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