Scott chandler
ArboristSite Operative
Ok i have read posts on honing and not honing but if this were your cylinder would YOU hone it a tiny bit ? That’s the question and here are the details. 394xp cylinder melted one side of piston had lots of aluminum no scratches gouges or pits - it’s the factory Mahle 56zn9 w1 cylinder - what you see in pics is left over spots of aluminum the muriatic acid and scotch pad didn’t get. I swear you can’t feel it but can see it. I’m tired of scrubbing. Now i have a 2.25” or 57mm ball hone in 320 grit coming tomorrow. Like i said lightly hone slowly forward then reverse and i really don’t know how many times around just in case you want to give me an idea as I’ve never used a ball hone. If you think i should hit it with acid again and scrub more or just stick piston and rings in I’m ok with that too . I’m going to count the for and against and go with majority