How many of you dowl or pin your mains?
#22
#23
Every block we produce for world products; sbc, bbc, mopar 340, hemi 426 and ford are all hollow dowels holes are reamed to .6246+- .0005 and 1/2 13 main stud hole in the center. the pins them selves are .6230 o/d .5200 i/d.
#24
You will see it on the block where the cap sits at and on the seating surface of the cap. The metal will not look cleanly machined on these surfaces, will look like there is some rubbing going on.