I nead some opinions on bearings. 383 stroker stock 400 crank turned down to fit in 350 block, 5.7 rods. solid roller cam 260 @ 50 600 lift 112 lobe sep. flat top kb pistons 10.9 compression. Ive got a brand new set of stock bearings i can use just name brand. Do i nead to run the high dollar bearings to make this motor last? Its a strip only motor. Thanks for info.