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  1. #1
    SPEED KILLS, BUT YOU GET THERE QUICKER Keddano's Avatar
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    Piston pin puller..less then a frosty

    Here's the piston puller I've pulled 2 pistons with.It's crude,but works.If your reusing the piston,use care.
    1-1/4" x 6" carriage bolt- .35 cents
    4- 1/4" nuts - .24 cents
    1- 1/4" nyloc nut- .12 cents
    1- 5/16 flat washer- .3 cents
    1- 5/16 nut- .6 cents
    a short piece of pipe or conduit- sorta free

    The 5/16 nut will grab the wrist pin and clear the bore, but it will get stuck in pin,you can knock it out and it won't hurt the inside of pin. I used about a 1 1/4" piece of pipe,then added a spacer to pull the pin the rest of the way out of piston. Maybe this will help someone on a late nite fix.Dan
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  2. #2
    seaobin's Avatar
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    Great idea, I use a long 3/8" Racket extension with I think its a 12MM socket on the end (whatever one in your box that is the same diameter as the wrist pin and use a soft mallet to beat it through.

    This works great, because even after the wrist pin pops througth, the extension catches the wrist pin bearing and doesnt let it drop into your crank if it comes out of the rod

  3. #3
    SPEED KILLS, BUT YOU GET THERE QUICKER Keddano's Avatar
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    Exclamation

    Just want to be careful not to bend a rod Hitting it out.
    Last edited by Keddano; 08-09-2007 at 05:51 PM. Reason: spelling

  4. #4

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    Piston Pin Puller

    Working on a 96 700 SLT the piston has a spot that is easily broken just below the pin so I expounded on your invention and it works pretty good. I used the carriage bolt and some washers and used a slotted oxygen sensor socket to avoid breakage. I used both an 8 inch and a 6 inch bolt. The 8 works but there's a lot of threads. Sometimes the bolt tries to spin. I added a lock washer on the round head side to stop the bolt from turning.
    Thanks for the idea!
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  5. #5
    Banned User
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    Great idea using the socket

  6. #6
    I used a carriage bolt and socket it work great. Thanks

  7. #7
    john zigler's Avatar
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    Quote Originally Posted by seaobin View Post
    Great idea, I use a long 3/8" Racket extension with I think its a 12MM socket on the end (whatever one in your box that is the same diameter as the wrist pin and use a soft mallet to beat it through.

    This works great, because even after the wrist pin pops througth, the extension catches the wrist pin bearing and doesnt let it drop into your crank if it comes out of the rod
    unless your crank is junk, and you are going to rebuild it any way, DO NOT ever hit the pin with a hammer.

  8. #8
    BlueFishCrisis's Avatar
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    Here's my version:

    1/4" - 20 rod 12" long - 1 ea - .99
    1/4" cut washers - 2 ea - .12
    1/2" hex nuts - 2 ea - .40
    12mm deep socket for pushing pin
    3/4" deep socket for receiving pin

    wrench on one side, socket on the other turning the 1/4" nuts. Used this to pull them back in as well....

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    Thanks for the ideas!

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