the 50 before the frame work the pass door would stick abit and lead is crack at top of A post that just is a small 548 blown and the gto frame is box so it good the engine pulls up and rubs a bit on the back side of the hood the 1/4 panles do shake i have been told that just a small 630+ cid but i am working on more power i just like them baby steps you know to much power can be a bad thing