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tumleweed
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Joined: 03 Sep 2012
Posts: 45
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 Posted: Thu Oct 11, 2012 6:26 am Post subject: pistons?? |
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Are new pistons actually to be installed from the bottom of the block instead of the top???
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JMOR
Tractor Guru
Joined: 13 Aug 2007
Posts: 12806
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| Posted: Thu Oct 11, 2012 6:51 am Post subject: Re: pistons?? |
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| tumleweed wrote: | | (quoted from post at 10:26:46 10/11/12) Are new pistons actually to be installed from the bottom of the block instead of the top??? |
Where did that come from? Or what prompted the question?
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TheOldHokie
Tractor Guru
Joined: 08 Apr 2005
Posts: 5914
Location: Myersville, MD
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| Posted: Thu Oct 11, 2012 6:59 am Post subject: Re: pistons?? |
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| tumleweed wrote: | | (quoted from post at 10:26:46 10/11/12) Are new pistons actually to be installed from the bottom of the block instead of the top??? |
No - they are installed and removed from the top. Even if you tried I don't think you could get them past the crankshaft on most (virtually all?) motors.
TOH
Last edited by TheOldHokie on Thu Oct 11, 2012 7:01 am; edited 1 time in total |
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tumleweed
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| Posted: Thu Oct 11, 2012 7:34 am Post subject: Re: pistons?? |
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Ok I thought so, I must have misunderstood one of the replys about the "use of a ridgereamer on the .040" liners. Thanks
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TheOldHokie
Tractor Guru
Joined: 08 Apr 2005
Posts: 5914
Location: Myersville, MD
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| Posted: Thu Oct 11, 2012 7:39 am Post subject: Re: pistons?? |
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| tumleweed wrote: | (quoted from post at 11:34:13 10/11/12)
Ok I thought so, I must have misunderstood one of the replys about the "use of a ridgereamer on the .040" liners. Thanks |
No - you understood it perfectly.
TOH
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souNdguy
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Joined: 20 Aug 2002
Posts: 48146
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| Posted: Thu Oct 11, 2012 2:41 pm Post subject: Re: pistons?? |
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i believe that poster thought he would not be able to get the pistons out the top with the ridge ( I think they would have... but I didn't see the jug..  )
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tumleweed
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| Posted: Thu Oct 11, 2012 4:44 pm Post subject: Re: pistons?? |
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Yea my mind jumped time again. I was reading what Dell replyed and thought he was saying the pistons had to be installed from the bottom. My fault, I get so excited I can't help myself. lol
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Ken(Ark)
Long Time User
Joined: 17 Feb 2007
Posts: 1452
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| Posted: Sun Oct 14, 2012 12:40 pm Post subject: Re: pistons?? |
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| TheOldHokie wrote: | (quoted from post at 10:59:59 10/11/12) | tumleweed wrote: | | (quoted from post at 10:26:46 10/11/12) Are new pistons actually to be installed from the bottom of the block instead of the top??? |
No - they are installed and removed from the top. Even if you tried I don't think you could get them past the crankshaft on most (virtually all?) motors.
TOH |
Most blocks I am familiar with have webbing for the main journals in the way which will block a piston from being removed from the bottom side .
This comes up when an old motor has had a cylinder bore exposed to water/elements and heavy rust has formed , making it difficult to remove the piston . Ugh , not much fun .
I checked it at the shop this morning and it is possible to remove ALL of the N pistons by pushing them through the bottom , with the crankshaft removed of course .
This was just a curiosity of mine when reading your post . Now we know to NOT take a bar room bet if N pistons can be installed from the bottom side .Getting the rings compressed would be a real challenge too .
On second thought I would bet some redneck a beer just to watch him do it .
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