Connecting Rod Bearing Size
September 15th, 2018 | 03:54 PM
#1
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Connecting Rod Bearing Size
I have an Olds 1976 455 7.5L engine that im building, i need to get new conneting rod bearings and can't find what the standard size is, the size of my journals are 2.4920-2.4930 in, is that standard or undersize and if so how much under?
September 15th, 2018 | 05:11 PM
#2
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Joined: Dec 2016
Posts: 1,509
From: Beautiful Southern Maryland
How are you measuring it ?? If your measurement is correct it is a VERY worn out standard.
Standard sizes are Mains 2.9990-3.0000 Rods 2.4999-2.5000
2.490 would be .010 undersize
You really need to use a micrometer to measure, not a pair of calipers.
Standard sizes are Mains 2.9990-3.0000 Rods 2.4999-2.5000
2.490 would be .010 undersize
You really need to use a micrometer to measure, not a pair of calipers.
Last edited by BillK; September 15th, 2018 at 05:17 PM.
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