finish is fine. the oven temp was 305 ... but I don't think the case itself got above 280 on my temp gun. the powdercoat was chipping a bit anyway when I got it, but its no worse now than before.
yes, I know a torch isn't ideal, and especially on these nylon cage bearings. ...hence my need/want/desire to make tools to do this stuff at room temp. i'm kinda upset that I got bad info to start, was hoping to order the tap I needed before the saw arrived. good news is that the taps did show up, but they weren't the correct size for 660. on the upside, yes I'm good to go for the husky stuff ... AND... the tools worked brilliantly for the flywheel side today.