Thread: 396 Block and a 454 Crank

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kb makes a piston in a hyper s . you do not need main studs on a bbc for this power level .if you use studs you will have to check the main bore of the block should be checked any ways .made 600hp+ with the stock gm bolts many times for many years there 1/2 inch never seen one fail ever and they fit and clear the oil pan were the nut and washer can hit and if you buy the kit for the windage tray you are going to have to trim the studs they will hit most all oil pans .GM bolts/ stand offs for tray fit and work like they should make sure there for a lV block as the Vl are longer bolts . do not do much on intake runners .do not port /polish the heads..it.s not needed . some bolw work chamber work with better flow ss 11/32 stem valves will be all you need . i do not use thumper cams.but yes on a hyd roller cam. this is the short list .oh check back cam bearing on that 66 block you may have to have a groove on number 5 so you get oil to the lifters and top end