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I meant to say, very impressed with how well the exhaust came up, never would have imagined they could be cleaned up to even half that extent, good job!
Good to know the underneath is sorted now, that will definitely help it last a long while. Were the frame connectors on the car already? Looks like they would have been quite easy to fabricate.
Thanks, much appreciated
Not finished yet, about 3/4's complete. The underseal removal has gotta be one the most horrible, tedious and dirty jobs I've encountered. Thankfully there was no serious penetrative rust. The corrosion that was apparent was treated via citric acid gel, mechanical abrasion and phosphoric acid. Shot blasting not possible due to not having the space to dismantle the whole car.
The frame connectors were home grown, fitted by the previous owner. Just sections of steel box I reckon. The exhaust sections aren't perfect, but using the above de rusting method and metal polishing they came up ok. I don't have a pedestal grinder, only a variable speed angle and die grinder, took a loooongg time
I'm keen on uniform factory looking finish underneath, sadly via roller the Jotamastic won't give that. I think the next job is an anti stone chip coating via spray for that reason and extra protection.