Post by
rgk »
https://forums.nicoclub.com/rgk-u245656.html
Sat Jan 15, 2022 4:44 pm
Main bearing cap bolts: Nissan 12293-38U1A
Main bearings: NISSAN 12207-31U07 (and 31U05, 31U02, 31U01)
Rod bearings: MAHLE / CLEVITE CB1857P6 (CB-1857P(6))
Oil pump: ENGINETECH EP041
Exhaust mani gasket: ENGINETECH ENI35A (ENI3.5-A)
Nissan has a variety of bearings that are thicker or thinner by 0.0001-0.0002", up to about 0.001" thicker than normal. I mixed and matched these sizes to get a fairly uniform clearance across the crankshaft. Their rod bearings were too expensive, so I went with an aftermarket set and it was fine. The rods were all rebuilt to standard. I had to replace the main bearing bolts because all the torquing to check clearances stretched the originals up to the spec. I also had to replace the rings and two rods, because I did some damage to the rod cap threads as well as one of the oil control rings.