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Farymann R 30 1973 exhaust manifold

4K views 10 replies 3 participants last post by  AndreasNYC 
#1 ·
Hello Everyone

My Faryman R 30 from 1973 has a rusted exhaust manifold with a hole in it.

does anyone know of any spare parts for this engine or alternatively a place that will custom make it for me?

thanks

Andreas
 
#3 ·
Over the years I have up brazed up quite a few exhaust manifolds. Some were broken in several pieces, some had pieces missing, but I always got back together. So it should be repairable. I like brazing over welding for this. You heat the whole part up and there is no warping. The strength of bronze is so close to cast iron that the repair will take high loads. Even brazed broken fork truck wheels!

Gary H Lucas
 
#7 ·
Hello Everyone

I have news, I am having a local metal worker custom make the part out of aluminum (because it costs 50% of what steel costs...)
I know that mating steel and aluminum can be problematic.
I am kind of expecting this fix not to last very long but hopefully util the end of the season.
So what advice do you have on
1) Installation and tightening procedure
2) Should I use some sort of super powerful Locktite so the thing never comes undone again?

thanks

Andreas
 
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