I had my MM subframe connectors installed today. The shop that I had them installed comes very highly recommended. They've done countless subframe installs on mustangs and are a mustang-specific shop (they know their concerning these cars).
Anyway, I've always heard that the suspension needed to be loaded while the subframes were being installed. These guys used a 2-post lift (only lift they have) to do the install, so the weight was off the wheels. They assured me that it really didn't matter whether or not the suspension was loaded and that it was just a manufacturer recommendation.
Second, for some reason, they completely forgot about the seat rails (which had been sitting on a cart 10 feet away) and were not installed. They assured me that the entire purpose of the seat rails was to add another connection point for the subframes and to secure them to the underbody a little more. They told me that regardless of the rails, they do extra welding along the connectors anyway (which I could tell that they did, they welded the hell out of them) which would compensate for the seat rails.
Anyways, after leaving the shop, the difference was unbelievable. It feels like a completely different car, so Im guessing that there really couldn't have been much more difference with the seat rails and loaded suspension?
Anyway, I've always heard that the suspension needed to be loaded while the subframes were being installed. These guys used a 2-post lift (only lift they have) to do the install, so the weight was off the wheels. They assured me that it really didn't matter whether or not the suspension was loaded and that it was just a manufacturer recommendation.
Second, for some reason, they completely forgot about the seat rails (which had been sitting on a cart 10 feet away) and were not installed. They assured me that the entire purpose of the seat rails was to add another connection point for the subframes and to secure them to the underbody a little more. They told me that regardless of the rails, they do extra welding along the connectors anyway (which I could tell that they did, they welded the hell out of them) which would compensate for the seat rails.
Anyways, after leaving the shop, the difference was unbelievable. It feels like a completely different car, so Im guessing that there really couldn't have been much more difference with the seat rails and loaded suspension?