<VV> Engine building - bearing clearance

[Harry Yarnell]

What  are you measuring with? Plasticgage is the only way I know of. 
Measuring with mechanical calipers gets you close for the crank. Forget 
about measuring the bearings with calipers...


Harry Yarnell
Perryman Garage and Orphanage
hyarnell1 at earthlink.net
----- Original Message ----- 
From: <corvair at mts.net>
To: "Harry Yarnell" <hyarnell1 at earthlink.net>; <bobhelt at aol.com>; 
<virtualvairs at corvair.org>
Sent: Thursday, January 21, 2010 3:08 PM
Subject: Re: Re: <VV> Engine building - bearing clearance


> That's what I thought too, and it's why I'm scratching my head. It's hard 
> to measure the thickness of the bearing to know for sure.
>
> I swap ONE shell, and my clearances are good - added .001 by swapping one 
> shell.
>
> I will plastigauge as a last step but this is confusing me.
>
> Les
>>
>> From: "Harry Yarnell" <hyarnell1 at earthlink.net>
>> Date: 2010/01/21 Thu PM 01:56:59 CST
>> To: <corvair at mts.net>,
>> <bobhelt at aol.com>,
>> <virtualvairs at corvair.org>
>> Subject: Re: <VV> Engine building - bearing clearance
>>
>> I thought that a .001 undersize bearing was the TOTAL, not .001 for each
>> shell .
>>
>> Harry Yarnell
>> Perryman Garage and Orphanage
>> hyarnell1 at earthlink.net
>> ----- Original Message ----- >
>> > Am I correct that a .001 US bearing is supposed to take away .001
>> > clearance for EACH bearing shell (.002 total if you use one on each 
>> > side)?
>> > That's what my measuring looks like.
>> >
>> > I have a nice .0010-.0016 across all four bearings now, all .001 except
>> > for 1 side STD in #2 and 1 side STD in #4.
>> >
>>
>>
>
>