Was doing a bearing service on my 80 and found a crack on inner side lip of hub where the seal rest. Which may have of happened when race was placed. Then I notice scoring on back spacer? I Couldn't figure out how the scoring occurred, since there's no evidence on the back bearing. Has anyone...

Hey All. I recently visited a yard that had some 2wd Blazer Spindles. I have read enough to know that they will be an exact swap to my 86. I was only wondering will it change my bolt pattern from 5 x 4.75? I was told that it would not but I cant wrap my head around that. Any other suggestions...