Turned my 230hp 318 into a estimated 20mpg torque monster probably somewhere like 400hp/390ci... Edelbrock 1-3/4" chrome bolt-on truck shorty headers stock head pipe 3" cat back Flowmaster, 3.94" bore, 9.8:1 compression, w-0.040" thick Felpro perma-torque head gaskets, 3.90:1 9.25" rear gearing, Hypertech engine tuner w-91 octane tune {I sent my tuner to Hypertech told them what I had changed, they changed the parameters} , stock magnum intake, cleaned intake & head ports, went up IIRC w-52lb MPI Viper injectors {don't quote me on that, got them from F&B Throttlebody} AEM 4" air tube & gauze type air filter & air box, 1.7:1 Harlan Sharp rockers, stock length Magnum 5/16" ball/ball Smith Bros. chrome-moly push-rods, Magnum Cast Iron R/T heads #P5007141 2.02"/1.65" & R/T Camshaft - #P5249549 - advertised duration 260*int/264*exh {I don't remember @ 0.050"}, 55* overlap, 109* centerline, 0.458"/0.467" gross lift w-1.6:1 rockers {w- HS 1.7:1 rockers it's appr. 0.486"int/0.496"exh gross lift}, valve springs were #P5249464, MP moly retainers & locks, MP Teflon seals, MP timing set, all Mopar Performance parts... I also bought all ARP hardware, never reuse the original hardware if you want it to last/live... there's a couple of great books MP Engines 9th edition & MP Magnum Engines 2nd edition, both have a bunch of proven combos, that will work well with stroker's too... many other great books on the subject