So now you need to tell the details of what has been done to the block,compression,cam specs, boost level and power estimate. Is it a Stroked 318 with a 4" Crank and 4" bore??
Ok Mad Dart. 71 340 block 4.10 bore 3.8 strok mopar steel crank, pro gram splay 4bolt main cap wit stud, block fill up to top of freeze plugs. 2 top water holes n top of the block plug and 3/16 hole drill in them so mostt of the water cums thuw the back of the head. Cam comp cam 230-238 @50, 110CL, 113, 588-589 on a 1.6 rocker put in str8 up, i put a gear drive single wheel, compression 8.91 ross piston, eagle h-beam rod wit the high end rod bolt, Arp heads studs, 1.6 norris rocker batten w2 heads 2.08int 1.65ext valve, flow 303@500,315@600,321@700int-221@500,221@600,224@700. Indy squre port intake that fits the 360-1 heads. Most of my parts purchase from Hensley Race 865-947-0426 ask for Ken tell catfish told u to call. F1 procharger kit from THESUPERCHARGERSTORE 520-456-9706 ask for Bob tell him the same. We are looking to get 900+++++++ @ the flywheel, If i lift out anything just aks and i will tell dint mine helping out.