Originally Posted by
dminor
. . . and your "advice" is a little late. Like to think the OP solved this maybe two years ago at least.
And if he 'solved' it by using the innertube method, by now the seat tube would have deformed, ovalized, or failed. That is, if the bike had been ridden any appreciable amount.
Aw hell, after 2 years now that bike probably has been ham-fisted into oblivion.