Homemade piston pin press

[bnoon]

1 foot section of threaded rod, two coupling nuts (to get a LOT more thread engagement to reduce stripping threads), a 3" section of 1" threaded pipe with the threads ground down on one side to clear the rest of the piston, an old 5/8" socket hollowed out to slip over the 5/8 threaded rod, and some washers. Whole thing costs less than 10 bucks from Home Depot.

Tighten the nuts (either side) and the socket will push the pin into the hollow threaded pipe. When the pin comes free, the piston becomes all wobbly, so you know right when it happens. Super easy!!!

I tried 1/2" threaded rod, but stripped it out after the first 3 pistons the other day. 5/8" just barely fit these pins, it will not fit through some pins though, so measure yours to be sure what you can use. If I had used hardened threaded rod or had better condition (clean) parts, it may have worked fine.

NOTE: Miracle Grow will hopefully add 30 to 40 cubic inches...