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putting wrist pins on pistons

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Old Jan 11, 2006 | 07:21 PM
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Default putting wrist pins on pistons

Ok, my manuals dont say anything about how to do this. Is there an easy way to do it. Its pr4 rods with p30 pistons. It looks like you have to use a vise to get it in. Is there a lube i have to use or anything?
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Old Jan 11, 2006 | 07:39 PM
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i think u need to have a machineshop do it?
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Old Jan 11, 2006 | 08:24 PM
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any other opinions, im sure someone has done this before
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Old Jan 11, 2006 | 08:33 PM
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Default Re: (jakscivic)

Machine shop
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Old Jan 11, 2006 | 08:46 PM
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ok cool thanks guys
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Old Jan 11, 2006 | 09:54 PM
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Default Re: (jakscivic)

yes, they have to be pressed in at a machine shop. if you go puttin em in the ol' lockjaws of death, you'll just do damage.
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Old Jan 15, 2006 | 07:13 PM
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ok. What if the wrist pin wasnt exactly centered on the rod?
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Old Jan 15, 2006 | 08:03 PM
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Default Re: (jakscivic)

No ifs, ands, or buts. If somethings not perfect don't use it.
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Old Jan 15, 2006 | 10:13 PM
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yeah, thats nice. But i was wondering what would happen if one wasnt exactly center
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Old Jan 16, 2006 | 12:12 AM
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mmmmmmmmmmmmmmmmmmm
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Old Jan 16, 2006 | 03:41 AM
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Kaboom... really though I dont know... if one wasn't exactly center then a person most likely wouldnt go putting it back in their motor.
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Old Jan 16, 2006 | 06:03 PM
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well im sure some one knows what would happen. Wear on bearings?? does no one have an idea?
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Old Jan 16, 2006 | 06:23 PM
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i would like to know how the wrist pin could NOT be cetnered on teh rod?
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Old Jan 16, 2006 | 09:23 PM
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Default Re: (v4lu3s)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by v4lu3s &raquo;</TD></TR><TR><TD CLASS="quote">i would like to know how the wrist pin could NOT be cetnered on teh rod?</TD></TR></TABLE>

Werd!
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Old Jan 16, 2006 | 10:33 PM
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well since the wrist pin is put through the hole on the rod there is plenty of room for error. so if the wrist pin was off by just a little what would happen?
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Old Jan 17, 2006 | 03:58 AM
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if you dont put the wrist pin through the rod centered it doesnt go through. unless you found a trick to make metal pass through metal......
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Old Jan 17, 2006 | 04:48 PM
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i dont think you are getting what im talking about. once the wrist pin is through it looks like a T. ok. so say that the top part of the T is just a little to the right/left. What would that do? wear the bearings? or what?
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Old Jul 14, 2007 | 01:18 PM
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Default Re: (jakscivic)

back from the dead because i want to know what happens when the pins are not centered.
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Old Jul 14, 2007 | 04:00 PM
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Default Re: (ToeJam)

if by "centered" you guys mean that it isn't spaced out evenly when pressed in... kind of like...

...=======.......=======
..........ii......................ii
..........ii......................ii
..........ii......................ii
..........ii......................ii

^^sorry for the crappy use of keys(i didn't want to waste time drawing it out). the [=======] represents the wrist pin. the [ii and downward] represents the rod.

--------------------------------------------------

to answer the mentioned question, it should be fine as long as the wrist pin is making contact to both ends of the piston(hope that makes some since to you guys)
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Old Jul 14, 2007 | 09:53 PM
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Default Re: (gsrious)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by gsrious &raquo;</TD></TR><TR><TD CLASS="quote">if by "centered" you guys mean that it isn't spaced out evenly when pressed in... kind of like...

...=======.......=======
..........ii......................ii
..........ii......................ii
..........ii......................ii
..........ii......................ii

^^sorry for the crappy use of keys(i didn't want to waste time drawing it out). the [=======] represents the wrist pin. the [ii and downward] represents the rod.

--------------------------------------------------

to answer the mentioned question, it should be fine as long as the wrist pin is making contact to both ends of the piston(hope that makes some since to you guys)</TD></TR></TABLE>


sorry but that doesnt look like anything that goes to a car. haha

When the piston, rod, and wrist pin are not perfectly centered, meaning you can push the piston to one side and the pin is almost flush with the piston and if you push it the other way and its about 2mm to being flush.
We are talking about oem type pistons btw. You have to push these on.

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Old Jul 17, 2007 | 12:31 AM
  #21  
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Default Re: (ToeJam)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ToeJam &raquo;</TD></TR><TR><TD CLASS="quote">


sorry but that doesnt look like anything that goes to a car. haha

When the piston, rod, and wrist pin are not perfectly centered, meaning you can push the piston to one side and the pin is almost flush with the piston and if you push it the other way and its about 2mm to being flush.
We are talking about oem type pistons btw. You have to push these on.

</TD></TR></TABLE>lack of imagination owns you.

just a message to the thread starter. pm me if you need any info. i can help you there.

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