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Old 08-31-2011, 01:32 PM   #1
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Default Have I just ruined my new con rod?

Hi?

I just installed a new con rod in my OS .12 (first time). I got paranoid that one of the 'fingers' on the pin holding the clip holding the pin in the piston my have been protruding so i decided to take the engine apart again and check...it was ok. Anyway, I put the engine back together and the con rod took a bit of force to slip back over the pin on the crank so i gave it a swift tap with handle of a pair of pliers and it slipped back on.

I noticed that doing this shaved a small about of brass from the lower rod bushing, which i quickly removed. It seems as though there is now a little bit of play in the lower bushing (more than when i installed the new rod the first time but less than in the old one i replaced). Have I just ruined the new con rod? or is a small amount of play here ok?

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Old 09-01-2011, 08:51 AM   #2
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Quote:
Originally Posted by tom10 View Post
Hi?

I just installed a new con rod in my OS .12 (first time). I got paranoid that one of the 'fingers' on the pin holding the clip holding the pin in the piston my have been protruding so i decided to take the engine apart again and check...it was ok. Anyway, I put the engine back together and the con rod took a bit of force to slip back over the pin on the crank so i gave it a swift tap with handle of a pair of pliers and it slipped back on.

I noticed that doing this shaved a small about of brass from the lower rod bushing, which i quickly removed. It seems as though there is now a little bit of play in the lower bushing (more than when i installed the new rod the first time but less than in the old one i replaced). Have I just ruined the new con rod? or is a small amount of play here ok?

don't take a chance, get a new rod !
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Old 09-02-2011, 06:47 AM   #3
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Yeah you're probably right....new rod ordered!

Thanks for your help
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Old 09-12-2011, 11:58 AM   #4
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rod should never be that tight going on the pin. remember the pin has to rotate inside the rod hole. make sure the rod is not upside-down
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Old 09-12-2011, 02:08 PM   #5
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New conrod for sure. No sense in using the damaged one and destroying your whole engine.
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