I just tried the search function here, gotta learn how to refine my search a little. I've pulled apart a well used engine and taken the bare block to the machine shop. He wants to put new sleeves in it, sounds good to me. So I'm cleaning up my pistons to take over there. They're so dirty that not until they were getting pretty clean did i notice a spacer at the top of each top groove. They're not loose, and don't look like they'll want to come out. Is this common to find? Thanks!!, and I'll keep reading here.
Roger in Iowa
Well-known Member
You will probably want to install new pistons.
TheOldHokie
Well-known Member
- Location
- Myersville, MD 21773
Because the old ones are worn out just like the sleeves. A piston and sleeve kit with new sleeves, pistons, rings and wrist pin bushings is a whopping $200.
TOH
teddy52food
Well-known Member
It has been overhauled before. The top ring grooves were worn so they put the spacers in. Time for new pistons too.
leon bee, your current pistons have been refurbished in the past by cutting the ring grooves wider and installing spacers to bring them back to specifications. If your ring side clearance is within specifications and skirt to wall clearance within specification and wrist pins are tight you are good to go. If all is good except skirt to wall clearance you can have the pistons knurled to correct the clearance. After all this fun and games I am pretty sure you will be financially behind had you a purchased engine sleeve, ring and piston kit in the first place.
Tall T
Well-known Member
Throw the old pistons away but disconnect the rods first.
used red MN
Well-known Member
- Location
- Coon Rapids, MN
Yep, tell the old pistons goodbye, adiós, arrivederci, Sayonara.Throw the old pistons away but disconnect the rods first.
Fritz Maurer
Well-known Member
If the rings are stuck in the pistons, just break them out, they don't cost much.
The spacers will be free once the rings are out and can be reused, with standard rings.
When the pistons are cleaned up, see how they fit in your new sleeves. Your machinist will tell you whether the pistons are reusable.
The spacers will be free once the rings are out and can be reused, with standard rings.
When the pistons are cleaned up, see how they fit in your new sleeves. Your machinist will tell you whether the pistons are reusable.
TheOldHokie
Well-known Member
- Location
- Myersville, MD 21773
I wasn't intentionally rejecting the forum's majority opinion, just hate to discard something usable. Or as this one guy over on the Ford Barn or HAMB says: "don't never throw nothin away." Be a while before I get my block back, I've been reading old posts here. Thanks!!
TheOldHokie
Well-known Member
- Location
- Myersville, MD 21773
Lets be honest. You are most definitly rejecting the majority opinion. Your definition of usable and that of the majority here differ considerably.
TOH
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Your machine shop guy will tell you if pistons are within specifications or not. The majority is not always correct as I have noticed through out the years. I would be really surprised if piston skirt to wall clearance is within spec. Let us know the end result please.
TheOldHokie
Well-known Member
- Location
- Myersville, MD 21773
Last edited:
Non-farmer
Well-known Member
I rebuilt my engine many years ago. I still haven't thrown the old sleeves, rings, pistons or bearings away.
They're sitting in my scrap pile, where they belong, not in my engine.
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