Well here's a little bit of info: 69 340 Block .060 over with Ross flat top Pistons 10.5:1 CR, Comp roller XR280R, Comp Magnum Roller rockers 1.5, stock Eddy 63cc 6077 heads, Eagle forged Crank, Eagle H Rods, Eddy Airgap intake, 950 Davinci carb square jets no power valve, 1" Quick Fuel super sucker spacer, TTI headers, 3" exhaust x pipe dynomax ultraflows, When electric cutouts are closed. (closed in video) 6AL Dist, Ignition. 727 B&M shift kit, 3200 stall, 4:10 posi Dana 60 rear with 1350 u-joints and performer series 3" steel drive shaft. CamQuest puts it at 525 HP hope it's all there! no track runs yet. That video is breaking it in. :headbang: