Blinging begins
Used bearing pulled and used as a test for chamfering the main's oil through holes.
Main bearing saddle cleaned,edged radiused, ol supply oil chamferred. Main surfaces leveled and deburred. Threads chased
Top of main caps receive similar work--all flat surfaces are gone over and made flat. clean up cap numbers for quick visibility, mounting points smoothed perfectly flat and even polished to further assure no kink to distort seating or torque readings.
You can see a main cap with both ears prepped and all corners knocked down.
You can see here how most of the inner block wall has been made smooth.
Opening, porting, smoothing the oil pass-through.
Further cleaning mating surfaces and rounding sharp edges and de-stressing the block in key areas.
Close up of worked over lifter valley--but it's still not clean. Flash and cast gone. Sharp ends removed to again, aid rapid oil return.
Original block stamp
