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Copper Cylinder Head washers
Posted: Sat Mar 29, 2008 7:07 pm
Author: Rich
Anyone know how thick they are?
Posted: Sat Mar 29, 2008 7:34 pm
Author: Pasc
Well I've just asked one whats the capital of England and didn't get an answer so I'd say they are quite thick.
Just measured a new one Rich at 2mm. These were supplied by z1 enterprises. I was wondering if there is anything special about them as considering they are only a washer they aren't cheap. Is it possible to get the same degree of reliability with cheap ones from a fastener suppliers ?
Posted: Sat Mar 29, 2008 9:48 pm
Author: Pigford
They're copper coz they're softer than steel, so make an oil tight seal
Any copper washer would surfice
Posted: Sun Mar 30, 2008 6:18 pm
Author: Rich
Thanks there's a bloke seling 7/8 od 7/16 id copper washers on ebay for ?9 / 100 but they are only 1.2mm thick
Posted: Sun Mar 30, 2008 6:21 pm
Author: Pigford
At that price you won't be
too hard up if you have to double them up
Posted: Sun Mar 30, 2008 6:40 pm
Author: Rich
But if I do that the top one wouldn't be in the recess to locate it and would probably move while tightening
. I'll just have to find a lump of copper and spend twenty mins parting some off on the lathe
Posted: Sun Mar 30, 2008 9:37 pm
Author: RALPHARAMA
Rich, there's no need to do that, just anneal the original ones. Heat them up to cherry red and let them cool naturally.
Posted: Mon Mar 31, 2008 5:13 pm
Author: Rich
I've already done that (numerous times!) unfortunately they are starting to get a little thin so before having to splash out lots of pennies on nice new Mr Kawasaki ones I'm checking up on the alternatives