picked up a gm 5.7 roller with weird bearing sizes
09-21-2012, 05:47 PM
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picked up a gm 5.7 roller with weird bearing sizes
motor looks to have never been apart
all rod bearings are .0005 with a date of 6/87 with gm stamp
mains standard except one is .0006 dated 6/87 with gm stamp
all other mains dated 5/87
and it a roller
all rod bearings are .0005 with a date of 6/87 with gm stamp
mains standard except one is .0006 dated 6/87 with gm stamp
all other mains dated 5/87
and it a roller
09-21-2012, 06:52 PM
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Car: seeking '90.5-'92 'bird hardtop
Engine: several
Transmission: none
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Re: picked up a gm 5.7 roller with weird bearing sizes
"Select-fit" accommodates wear of the crank grinding stone to get the desired final clearance for the oil film. Dates not matching means nothing, all the bearings were mass-produced well in advance of final engine assembly. Nothing weird here.
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