Copper NUTS!

I have normal nuts and some copper nuts, are copper manifold nuts ok to use on an air cooled engine.

I have a handful of nuts and can't decide, Ta

 

Copper is a very soft material and will strip ...usually copper coated steel

 

Should use copper flashed nuts.... I bought a bag of 50 which will cover me for a few exhaust "offs"

 

Yes copper flashed they are, I'll stick em on then thanks

 

Mine are copper flashed and still okay years later. ( a great effort needed to avoid setting @snotty off )

 

Brass. I’ll say no more.

 

I tried brass - but also needed a locking washer as they werent self-locking and that left me a little short on a couple of studs....

 

I found they tended to slacken off in time. Something I attributed to their thermal coefficient of expansion and the inability to cope with a severe hot/cold cycle when fitted on a steel stud.. Though come to think of it brass nuts were in quite common usage on elderly water cooled engines...

 

Standard fitment on Fords.

 

Silver K-nuts for the win!
https://www.demon-tweeks.co.uk/moto...tweeks-metric-hi-temp-aerospace-locknut-k-nut

 

have sorted the holes? or is this the van?

 

RIGHT! OVER THE FENCE!

 

I have brass nuts on my MG manifold which I fitted myself - the bus manifold is as I bought it - steel I think.

 

£1.50+vat I'm too tight 8 coppers cost me that

 

I had a delivery of exhaust and a new cross member yesterday, exhaust is all on today loose not done it up yet and crossmember is going in tomorrow

Not sure whether to put paste where the j tubes go into the box or not, the clamp looks quite sufficient

 

Jopex box is very nice


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If you're using the stock "brillo pad" gaskets/clamps, worth smearing a bit of jointing compound on. Can't hurt!

 

which x member are you doing - I need to do the front one between the front outriggers - Pics!