Seized up exhaust studs
I just came across this tip for freeing seized steel studs in an aluminium cylinder head. Rather than soaking them in WD-40 or whatever overnight try Tizer instead- yes I do mean the fizzy drink. This came from a Biggin Hill-based firm of aircraft engineers to a friend of mine who had by then broken off one of the studs on his aircraft engine, the other one came out no bother with this dodge.
John
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Johnef
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