Small block strokers

Frame connectors,of course. I wouldn't worry about torque boxes,unless running a trans brake/ or running a 4 speed stick. One of the cars I was involved with.: Built 340 roller mill:002,003 springs,allcthe way through A thight 4200 Continental converter/4:88's. Went 11:50's ,maxed. Hitting a 250 plate tuned right ,same combo high nines. The torque boxes ,were fine. My..02