Re: Collapsed skirts on used pistons

Posted by Jack Vines On 2016/12/27 11:27:21
Quote:
The barrel skirt piston you think is an EGGE may be a very old EGGE or a Jahns. Look at what's cast inside.


Hi, Fred,

Thanks for the reply. The Egge barrel skirt 374" pistons I picked up must be VOOS (Very Old Old Stock) as all the 374" pistons from them I've ever used are the slipper skirt style similar to OEM.

Do you have any memories or recommendations as to how the barrel skirts are better or worse? Any difference in bore clearance? Any idea why they changed?

I'd forgotten Jahns was big in the cast repop piston business back in the day. I'd remember them as a performance piston and thought forgings. They changed the name to Jahns Engineering and eventually became JE, where one can still buy forged pistons today.

Back to the barrel skirt; since Egge bought many molds as other piston companies went out of production, wonder if these were from a Jahns mold?

The later production slipper skirt pistons appear similar to a Badger design.

jack vines

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