Tim,
"Standard" is standard. There is no metric or SAE. 0.010 inches is
approximately 0.025 mm. Order standard bearings from a reputable supplier
and you'll be fine.
When I had the '69 (metric) U20 in my '66 rebuilt, we ground the crank
0.010" and bored the cylinders 0.020". Bought appropriate bearings and
pistons w/rings from one of our suppliers.
Gary
----- Original Message -----
From: "Tim" <tputland@charter.net>
To: "datsun-roadsters: autox.team.net" <datsun-roadsters@autox.team.net>
Sent: Monday, November 07, 2011 4:53 PM
Subject: Re: [Roadsters] engine bearings (another dumb one from WI)
> More info needed I think:
>
> According to my machinist I need standard bearings.
>
> What I want to be sure of is getting the correct type: standard or metric.
>
> thanks!
>
>
>
> On Mon, Nov 7, 2011 at 2:53 PM, Tim wrote:
>
>> here's a dumb one from me to you all:
>>
>> Crank and rod bearings come in standard and metric, correct?
>>
>> How do I determine if I have a metric block? is it simply a matter
>> checking the block number and making sure it is after block #R4000? Or is
>> there more to it than that?
>>
>> Thanks!
>>
>> tim
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>>
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