I am going to post this on the Strokers Group as well. What are the best years of 258 parts to use for srokers? I am getting ready to get rid of a BUNCH of engines (I have 18 in my shop) but am keeping the 4.0's and relevant 258 rotating assemblies, a couple of 360's and 401's. I believe it was wrist pin location that was slightly different which gave a lower C.R.. Have a great weekend, Jesse _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com