I used some plastigage on the rod and mains with the original parts. The clearances on the mains are .004 and the rods are .003. Good for a Chevy.

I don't know what they are for the replacement bearings. I am hesitant to use the stretch bolts again.

The mains are not stretch. So I put a new bearing in and the clearance went to .003. Only down .001. Is that enough? Keep in mind that I did not replace the bearing on the opposite side.

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Michael LaFleur

'05 E320 CDI - 86,000 miles
'86 300SDL - 360,000 miles
'85 300SD - 150,000 miles (sold)
'89 190D - 120,000 miles (sold)
'85 300SD - 317,000 miles (sold)
'98 ML320 - 270,000 miles (sold)
'75 300D - 170,000 miles (sold)
'83 Harley Davidson FLTC (Broken again) :-(
'61 Plymouth Valiant - 60k mikes
2004 Papillon (Oliver)
2005 Tzitzu (Griffon)
2009 Welsh Corgi (Buba)