Warbird Information Exchange

I know it is a piston but that is about it. One of our pilots in the Squadron found it for 2 bucks at a Habitat for Humanity store and bought it. Any help would be.....helpful.

Kel

it is a piston, it goes into a cylinder of a internal combustion engine. Without any more info such as diameter, or part numbers you cannot tell just from the photos, It could be from anything from a continental 520, lycoming 540 to a P&W 4360.

Look hard for casting numbers, part numbers, date codes. They can be on the dome, on the underside, or the flange under the piston pin.

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Matt Gunsch, A&P, IA, Warbird maint and restorations
Jack, You have Debauched my sloth !!!!!!
We tried voting with the Ballot box, When do we start voting from the Ammo box, and am I allowed only one vote ?
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It's a hemi! Looks to be from a radial. What's the diameter? Maybe with an accurate diameter we can figure it out.

...if i was at the office id post a pic....

Obvious two valve engine. Any numbers on the wrist pin bosses from the underside?

Diameter will be a major key to the lock here. Pin diameter may help as well. Definitely not an Offenhauser piston!

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"There are old pilots and bold pilots but few old, bold pilots."

R1820-84d Took apart 600 1820's at Twin Cities Navel Reserve base 1977- 1984

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PAPPY ch-46 phrog,endangerd species 40 years and still flying

Wow!

The responses went from "don't have a clue" to "Got it!" in just a few hours!!! Thanks for the help guys!

Just amazing! I knew I came to the right place.

Kel

Yeah, the WIX brain is pretty amazing. These guys really know about everything. Always amazes me.

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"There are old pilots and bold pilots but few old, bold pilots."