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Connecting Rod Bearing gap

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ace07

Probationary Member
12
0
Oct 29, 2008
Polson, Montana
yo me again, same problem couldent find an answer in "search" I have a simple question, in the case that my gap between the rod bearing and the crank is about 2 thousands" over stock specs,would i need an oversized or undersized bearing? and which bearing would work, ive found undersized by .25 and .50 of a MM, and i only found oversized with .001 .002 .003 but they are for a 91 gsx, which im guessing wouldent work for my 7bolt.. dunno you tell me.


Thanks for reading, please shake your head at the dumber questions not mine.... im not a graduated mech just yet.:thumb:


Thanks for the grammer lesson defiant, but i still dont know which bearing will work, the book says to get an oversized, if the gap exceeds specified limit. thus i would need a .002 oversized right?
 
Has the crank been turned? Typically this is not a common thing for a 4g63 unless it is a select fit bearing motor, but yours is not. If the gap is over .002 then you need an oversized bearing.Standard bearing crush is .002 with plastigage. If you are stating you are .002 over then you are at .004 which means that you have too much clearance and need a tighter fitting bearing so yes you need a .002 oversized bearing. The fatter the crush on the bearing with plastigage the less clearance you have, and vice versa. AircooledTech.com - Checking Clearances With Plastigage Look at this picture just for information purpose only on the proper color platigage and clearance specs. Green plastigage and .002 clearance =4g63. good luck
 
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