frankinstine

i have a jdm b20b or honda crv motor. my question is about oil bearing clearances i know the stock should be between .0015 and .0020 with .0020 being service limit. But when i plastigauge it with a stock new bearing i come out with .004 to .005. What oversized bearing should i go with. Any help would be nice.

NasTHatch

ACL makes oversized bearings, and they are nice bearings, i just ordered standard size rod and main bearings for $109.00 and it took 2 days to get and you can find them if you Google it,just make sure they have the bearings in stock and don't have any negative feedback, because the first set i ordered were on back order for 2 weeks and they gave me no notification,so i canceled and re-ordered with another company..

ChokolAwt

the stock block comes blueprinted from the factory. So unless you're running an aftermarket crank, you should be good with stock... no need to plastiguage...

frankinstine

i had spun a bearing on the number one rod and like i said before i am coming up between .004 to .005 on a new set of stock rod bearings when i should be coming up with .0015 to .0020. just trying to figure out what oversized bearing to go with.

micheal8042

is this clearence just on this one rod and if so here is a color code oem bearing thickness chart with all the thickness of all the bearings. hope this helps
Main Bearing thickness by color
Blue 2.013-2.010 mm 0.0793”- 0.0791”
Black 2.010-2.007 mm 0.0791”- 0.0790”
Brown 2.007-2.004 mm 0.0790”- 0.0789”
Green 2.004-2.001 mm 0.0789”- 0.0788”
Yellow 2.001-1.998 mm 0.0788”- 0.0787”
Pink 1.998-1.995 mm 0.0787”- 0.0785”
Red 1.995-1.992 mm 0.0785”- 0.0783”

Rod bearing thickness by color
Blue 1.510-1.507 mm 0.0594”- 0.0593”
Black 1.507-1.504 mm 0.0593”- 0.0592”
Brown 1.504-1.501 mm 0.0592”- 0.0591”
Green 1.501-1.498 mm 0.0591”- 0.0590”
Yellow 1.498-1.495 mm 0.0590”- 0.0589”
Pink 1.495-1.492 mm 0.0589”- 0.0587”
Red 1.492-1.489 mm 0.0587”- 0.0586