Thread: crankshaft bearing speed and other questions ( might be kinda long!!! )

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yep if you build the right engine first off you do not much have to worry about this much like a chevy .the ones that come to mind ford olds pontiac some guys go smaller on main and rods on the sbc on the bbc guys go to 2.100 rod for more room and use a 409 main bearings smaller then stock bbc.it is pro stock stuff . like jerry said most rods you can get smaller rods bores to use other bearings and off set grind the crank for more cid but getting the mains smaller can take abit more$$$ and work .but on very big cid they some times go up on mains size and pin size so there is more pin over lap make for a stronger crank as for thinner rings and smaller rod jounals this stuff is out there callies .howard and many others make rods for smaller bearings and crank jounals .and other sell pistons with the 043 or mm ring packs are very pricy