Hey whats up guys? Anyone know how to remove pistons from rods? I don't have a press but I do have a vice and a heater torch. Can I head up the rod and hammer out the wrist pin?? I wana get some feed back before I do anything dumb! Thanks

 

MAN 220 plus people have seen this and no one knows how to do it!!! This the where the Honda motor builders live!! Where the wizards at!!

 

the thing that you need to press out is call the "wrist pin"


i like to heat them up with a torch then knock them out with a soft hammer.

some people press them out with a press


the choice is yous but these are my 2 methods

 

Keep in mind that they can, but don't always, come out without screwing up the pistons. Every machine shop I've ever been to has a pretty big can of junk pistons right next to the press. Why specifically are you taking them apart? Planning on re-using them?

 

yes i plan on reusing the rods the pistons are trash. If i heated them up with a torch, a soft hammer will knock them out? How long to i have to heat them up?

 

You need to heat the small end of the rod so it expands a little and releases the pin. Use a press or a couple of sockets and a bench vise as a press. Try not to hit things with hammers.

Or you could just go to a machine shop and give them $20 to do it for you. It should take them ten minutes and you'll have the peace of mind knowing you didn't mess anything up. If you're building a motor its a good idea to start the relationship with your machinist early anyway.

 

set your oven to 300, put them in, wait for 20 mins, hammer them out

 

HAHA! I LOVE THIS IDEA!! YOUR ON MY FRIEND 300 for 20 min in the oven you got it. Ill film it and post it up so if it works your theory will become fact! LOL

 

I've done them with an air hammer before. find a deep socket that just fits the pin and put the piston on a block of wood with a hole for the pin to go through. Hammer on the socket with the air hammer.

 

OVEN AT 300 for 20 MINUTES WAS A NOOOOOO GO! Anyone else have any other suggestions?

 

Do it the correct way.
Take it to a machine shop.

 

Your the winner!! I took it to a machine shop Cost me $20 bucks!! man I feel dumb! it wasent even worth the effort for 20 !

 

LOL that's funny i would have thought it would have costed more..

 

I know right!! I had him doing the boring / honing for my engine block and because he took longer than he told me ( two weeks late ) he didnt even charge me for the rods. Way cool! lol

 

Told ya