Hi all, just got done with a custom 292 inline 6. Here's an over view. Head work: Lump ports 1.94 intake 1.60 exhaust stainless valves. 5 angle valve job (lol on that one) .030 off the head. Hot tanked and magnafluxed. Roller rockers. Smith brother's push rods.
Block work. .015 off the block to zero deck. .040 over bore with ross racing forged aluminum pistons. 200 grams lighter than stock. 18cc dish. Yields 9.5.1 compression vs 7.8.1. Stock rods balanced and refitted with sb 350 arp studs and bolts. Crank balanced and ground. Cam: Comp unltra pro magnum 268 duration 219 @ .050 .496 lift on a 110 lobe center. Comp lifters. Clevite bearings. Melling stock type oil pump.
Expected power out put 320 hp and 340 torue vs 153 hp and 260 torque and guys...there's still room for boost. Let me know what ya think!!! And here are some videos.
1964 C20 LWB 292 6 cyl/sm420 parts truck. 1966 C10 SWB 292 hotrod 6/TKO600 tremec 5 speed. 1964 GMC 1500 LWB 305E V6/ SM420 "Crustine" 1977 C20 LWB 496/turbo400(soon to be 572) My youtube channel: https://www.youtube.com/channel/UC_hdwhPFzfzpcUXyK_5-uiw