NO you got a set of screwed up main bearings take them back to your supplier
Mike Kerr
Roadster Restoration
3730 Todrob LN.
Placerville CA. 95667
Ph.# 530-644-6777
Fax# 530-644-7252
E-mail: mikekerr@innercite.com
Web page : http://www.innercite.com/~wolfgang
Visa & master card
-----Original Message-----
From: Mark Ruffcorn <mruffcorn@ksni.net>
To: datsun-roadsters@autox.team.net <datsun-roadsters@autox.team.net>
Date: Saturday, April 24, 1999 9:01 PM
Subject: Fw: Boy am I "cranky"!
>Looking for some insight tonight!
>
>I was putting my motor back together tonight (U20)and hit a snag right off.
>While sliding in the crank, the thrust bearing was to wide to fit between
>the journals. The bearings are .030 over (.75) and the crank has been
>machined to the same specs. Also the thrust bearings did not have babbet
on
>the sides. Is this normal for the U20?
>
>
>I spec'ed it out with the micrometer and found there is NO clearance!? Do
>they normally grind the crank for side clearance on the thrust bearing
>journal on these engines? I purchased the parts from one of the lists
>"prefered" suppliers(NDC is the brand name of the bearings). Did I get a
>defective part?
>
>This is my vacation week and was to be devoted solely to getting this and
>other roadster related tasks accomplished. :-( Help! Any expertise
in
>the near future would be GREATLY appreciated. (Still hoping to get it back
>together later in the week if I can determine and fix the problem)
>
>Thanks
>Nathan (In dire need)
>
>69 2000 probabaly run ok for a WHILE without the thrust bearing RIGHT? :-)
>
>70 1600 (still installing the top this week-especialy with all the
>"spare" time I'll have waiting on parts or machine shop!)
>
>
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