start with thanking this forum and your help in advance.

1st time working on a mustang.
Replacing the subframes.
Any general tips ?
Using Mig weld . 0.23 wire. Is this correct and strong enough to join sheet metal and subframe.
Im concerned about my weld spots heat penetration.
Also should I use weld through primer ?

I’ve taken lots of measurements, didn’t really build a full support rig but I created a rig that keeps everything leveled and also helps as guide when installing the new...

1965 coupe Rear Subframes replacement