Sending you all the luck in the world mate :thumb2
Whats the worst that can happen? It fails and then you replace whats broke, it always tends to be really trivial stuff on these trucks
The only thing that tends to render them useless is when the body isn't attached to the chassis anymore so as long as you've got underneath and checked that there's no gaping holes you'll be fine buddy
Started perpetration for mot on my old faithfull, thanks to Ian's Terrano found a place that does nothing but welding cars. So booked in for complete new sill sections inner and outer. Then she'll be going for test too.