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Reload this Page K-321 rebuild/reassembly help needed.
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  #21  
Old 09-08-2014, 07:36 PM
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dvogtvpe dvogtvpe is offline
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the oil rings really have no tension to them. that's the expanders job. it holds the oil rings against the bore. your ring compressor will squeeze it all together to get it into the bore.
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  #22  
Old 09-08-2014, 07:46 PM
J-Mech J-Mech is offline
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When you install it on the piston, it's one piece at a time.
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  #23  
Old 09-09-2014, 12:37 AM
rickx rickx is offline
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Quote:
Originally Posted by dvogtvpe View Post
the oil rings really have no tension to them. that's the expanders job. it holds the oil rings against the bore. your ring compressor will squeeze it all together to get it into the bore.
Sounds good! I'll see how it looks with the ring compressor on it.
Thanks,
Rick
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  #24  
Old 09-10-2014, 06:14 PM
rickx rickx is offline
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The ring compressor compressed the rings easily, and the piston went in without any problems. The engine is reassembled and should be installed tomorrow.
The only mistake I made (as far as I know!), was to leave the crank bearing in the block at the machine shop. It came back packed with grit - No surprise. But after flushing/washing/flushing/drying/lubing the block/bearing, I noticed some play in the bearing that I don't think was there earlier! So I installed a new crank bearing.
I intend to try to break-in the engine as described in this thread: http://www.onlycubcadets./forum/show...k-in+procedure
I'll let you know how it goes!
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  #25  
Old 09-10-2014, 07:14 PM
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I'm not much of a break it in guy. set up the idle, set up the hi idle and governor drive it around 5 min or so, retorque the head. change the oil and flog the crap out of it
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  #26  
Old 09-10-2014, 09:22 PM
J-Mech J-Mech is offline
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I'm not much of a break it in guy. set up the idle, set up the hi idle and governor drive it around 5 min or so, retorque the head. change the oil and flog the crap out of it
HaHA!!
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  #27  
Old 09-10-2014, 11:29 PM
rickx rickx is offline
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I plan to find something I can drag around the yard to put some load on the engine after the first oil change. Mower deck doesn't put much load on it. I'm assuming, of course, that it will run!
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  #28  
Old 09-10-2014, 11:35 PM
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I'm not much of a break it in guy. set up the idle, set up the hi idle and governor drive it around 5 min or so, retorque the head. change the oil and flog the crap out of it
This is exactly the way I broke in my best running engine.
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  #29  
Old 09-11-2014, 07:57 AM
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I'm not much of a break it in guy. set up the idle, set up the hi idle and governor drive it around 5 min or so, retorque the head. change the oil and flog the crap out of it
Yep, break them in as they will be run. One of my SB 383 Chevy's on the dyno.
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  #30  
Old 09-11-2014, 01:06 PM
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Yep, break them in as they will be run. One of my SB 383 Chevy's on the dyno.
That's the way to do it Sam Mac! On the dyno to give them rings plenty of back pressure to seat.
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