I wouldn't trust a seatpost that had been subject to aggressive removal: do yourself a favour and bin it.
Stop fucking about with the paint: it's fine. This was, is and always will be a "beater". Stick the money in your piggy bank for the next build.
Don't fuck about with the braze-ons: all you will do is make it less versatile and it will never be whatever it is you think it will be, minus braze-ons.
You know the scrotes who have spent more on shit accessories and tacky colour-coordinated tat than the actual car is worth? Who could have spent their money on a decent motor, rather than a world of naff trying to turn a Nova 1.0l into a Golf VR6?
Build this as cheaply as possible; ride it much as possible; then build a 2.0 with a nice frame, a nice paintjob and quality components using what you have learned from 1.0.
You know the scrotes who have spent more on shit accessories and tacky colour-coordinated tat than the actual car is worth? Who could have spent their money on a decent motor, rather than a world of naff trying to turn a Nova 1.0l into a Golf VR6?
Build this as cheaply as possible; ride it much as possible; then build a 2.0 with a nice frame, a nice paintjob and quality components using what you have learned from 1.0.