4g61

I need a permanent solution to the common roof rust, something to fix it permanently not temporarily. Hopefully someone had done so or knows how? I have a spare roof (drilled the spot welds out of a spare car and took it off) but i would prefer to fix the roof in the car as that would mean i...

I've been googling and searching but I cant find the info I'm after but that could just be the way I'm wording it but I want to know if anyone has done a C.O.P conversion or has the info I want as I want to give it a go. The conversion is on my 4G61 n/a