J&M polyurethane rear upper control arms discussion.
Ok, I know that putting poly bushings in the upper control arms could rip up the torque boxes because they do not allow any type of flexing or movement. My question is would the J&M upper control arms with the large flexible spherical polyurethane (not the metal bushings) actually be a better choice and offer more movement/flex than the stock rubber bushings?
My car currently has the J&M upper control arms with Maximum Motorsports lowers. My car is a 1995 mustang GT with Maximum Motorsports full length subframe connectors, Eibach pro kit springs, Tokico blue shocks, poly sway bar bushings with lower MM k-member brace.
The car seems to handle pretty good with this very basic set up. The car dyno's at a very conservative 327 rwhp, and 357 rwtq.
I live in an area with extremely curvy roads, and it's very fun to drive this car on them. However I'm left wondering if the J&M uppers are actually damaging my torque boxes. I've looked at the rear end, and everything seems fine for now.
So basically I bought these control arms as an handling experiment. I just hope my experiment isn't ruining my car. At least maybe they will hold me over until I can get a torque arm.