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Unread 12-26-2011, 02:17 PM   #1
beefcake3
Registered User
1998 TJ Wrangler 
 
Join Date: Sep 2011
Location: 47.4689 N, 87.8883 W
Posts: 117
piston identification

I am curios if the numbers stamped on the top of this piston indicates that it is an over sized piston and if so what size rings I need for it. And is it an indication that my cylinders have been previously bored. The 0.030 is what caught my eye. Any help would be greatly appreciated. (sorry about the size)

H802CP 0.030
2870-07-B

piston.jpg  
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Unread 12-26-2011, 06:49 PM   #2
beefcake3
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1998 TJ Wrangler 
 
Join Date: Sep 2011
Location: 47.4689 N, 87.8883 W
Posts: 117
Anyone???
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Unread 12-26-2011, 07:18 PM   #3
oldtime_ironman
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1991 YJ Wrangler 
 
Join Date: Dec 2010
Location: 14304 Niagara Falls, NY
Posts: 2,540
More than likely, yes. Its been like that long as I can remember, they always put the oversize on the pistons no matter what kind of engine. If you want to know for sure, measure with a caliper.
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