<VV> GM Part Numbers Help

[Harry]

I believe ALL Corvair pistons are notched on the crown edge.

-----Original Message-----
>From: BBRT <chsadek at comcast.net>
>Sent: Jul 26, 2007 10:06 PM
>To: Joe Hennerfeind <hennerfeind_joe at yahoo.com>, virtualvairs at corvair.org
>Subject: Re: <VV> GM Part Numbers Help
>
>Joe,
>
>The Group # is .030 and the cylinder/piston size should be stock, if as sold 
>new.  The second number, 3838077, is listed in the P&A 30 as for a 61-63 car 
>and FC application.  The other number, 3869276 is listed as a 66-69 for cars 
>exc. H/Per (which I don't understand) exc. A.I.R . (H/Per w/ A.I.R is listed 
>as 3889799). I would suspect if ALL the cylinders are notched then some are 
>mis-boxed. All pistons should be flat top.  Were I you, I would check the 
>wrist pin height to make sure the pistons are either early, or late height, 
>since you have boxes that indicate both early and late pistons/pin/rings. 
>Early piston's height are taller from wrist pin to piston top.
>
>Good Luck
>
>Chuck S
>BBRT
>
>
>----- Original Message ----- 
>From: "Joe Hennerfeind" <hennerfeind_joe at yahoo.com>
>To: <virtualvairs at corvair.org>
>Sent: Thursday, July 26, 2007 8:16 PM
>Subject: <VV> GM Part Numbers Help
>
>
>>I have come into posession of 12 GM original
>> cylinder/piston sets.  The boxes have GM part numbers
>> 3869276 and 3838077.  All cylinders have the notch in
>> the skirt (so I know they are 64-69), and boxes are
>> marked "GR. 0.030 CYLINDER UNIT," so I assume the have
>> been bored +30.
>>
>> What is the difference between the part numbers?  I
>> only have tags on a few boxes as most have fallen off.
>> If they are different, how do I tell the difference?
>>
>> What are they worth as I will probably sell them all?
>>
>> Thanks!
>>
>>
>> 
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