OEM Eng bearing grade differnces?
Sep 23, 2005 | 11:37 AM
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From: San Elijo Hills, Ca.
I found some main bearings out of a 4g64, luckily there were 2 different grades used on the main bearings. I was able to measure a difference between the 2 shells. These are the results of used bearings from ~99 4g64
Mains:
Grade 2 Grade 3
.07810" .07830"
.07810" .07825"
.07815" .07825
A difference of ~0.00015 between grades 2 & 3.
The reason why I didnt measure the other main shells, they looked bad.
Rod bearing thickness of grade 2 was .0586"/.0585"
enjoy
Mains:
Grade 2 Grade 3
.07810" .07830"
.07810" .07825"
.07815" .07825
A difference of ~0.00015 between grades 2 & 3.
The reason why I didnt measure the other main shells, they looked bad.
Rod bearing thickness of grade 2 was .0586"/.0585"
enjoy
Last edited by Aby@MIL.SPEC; Sep 23, 2005 at 11:39 AM.