Yeah, good to meet you at last Rossco, but at the moment Brad's one of my best customers as he wins more titles
Repairing properly first time is best advice on many things but I really need to see the case.
I only charge $100.00 for free advice if you want to send it over with the pegs.
Welding corroded Mag is like welding rusty steel, you have to cut away the crap to get back to some good material, & these side covers are compounded by hard to reach nooks & cranny's.
These putty things only seem to stick in the nooks & cranny's, & it's the hardest spot to dig it out of. I guess it may depend on how clean it is when its put on.
I believe Red Devil can help you with seals.