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VCCA Home Forums TECHNICAL - 1945 AND NEWER 1949-1954 261 Piston markings

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261 Piston markings #268590 01/25/13 07:48 PM
Joined: Aug 2011 Posts: 214 Coopersville mi StoveboltSteve OP Backyard Mechanic
OP StoveboltSteve Backyard Mechanic Joined: Aug 2011 Posts: 214 Coopersville mi	had a friend of mine e-mail me some pictures of markings on top of the pistons of a chevy 261. Is the 90 on top of the piston an oversize? I thought .090 over would be kind of an oddball oversize Could it possibly be .060 over? http://i1168.photobucket.com/albums/r488/Boltergiest/photo_zps59a40775.jpg http://i1168.photobucket.com/albums/r488/Boltergiest/photo-1_zpsbf3e2e4e.jpg Last edited by StoveboltSteve; 01/25/13 07:50 PM.

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Re: 261 Piston markings StoveboltSteve #268595 01/25/13 08:08 PM
Joined: Oct 2009 Posts: 1,294 Hubbard,Ohio chevy1937 ChatMaster - 1,000
chevy1937 ChatMaster - 1,000 Joined: Oct 2009 Posts: 1,294 Hubbard,Ohio	I would just get somone with micrometers and measure them.

Re: 261 Piston markings chevy1937 #268596 01/25/13 08:16 PM
Joined: Aug 2011 Posts: 214 Coopersville mi StoveboltSteve OP Backyard Mechanic
OP StoveboltSteve Backyard Mechanic Joined: Aug 2011 Posts: 214 Coopersville mi	True. However he doesn't have the time right now to tear it down completely, and was just wondering if it was .090 over

Re: 261 Piston markings StoveboltSteve #268673 01/26/13 03:57 PM
Joined: Aug 2011 Posts: 214 Coopersville mi StoveboltSteve OP Backyard Mechanic
OP StoveboltSteve Backyard Mechanic Joined: Aug 2011 Posts: 214 Coopersville mi	Sorry, posted the wrong links, try these

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