I have a very nice 421 small block w/ Dart block. Can a competent engine builder, with the proper machining, turn this into an 18 degree motor, re using the heads and just using new pistons?
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I have a very nice 421 small block w/ Dart block. Can a competent engine builder, with the proper machining, turn this into an 18 degree motor, re using the heads and just using new pistons?
i would think not the same cam ? lifters. shaft rocker . push rods. intake .head studs .pistons what head brodix or dart ? brodix you can get away from shaft rockers but are nice to have when you going up on spring LBs