Sorry bout the pics best i could get lol. Anyhow heres the story, i just purchased a benson sleeved block from someone on H-T only had 300miles on it. anyhow when i looked at the sleeves they have this copperish color ring on them toward the top. he told me it was from his copper headgasket spray he put to much and it went in, anyhow its like imbedded in the sleeves i tryed wd-40 to see if it was rust or something, also tryed a scotch brite no scratch pad, didnt really do anything. i was just curious if u guys think its anything or if it will affect anything i dont wanna put everything together and kaboom goes my motor. If i rub my nail i dont feel anything. In some spots i wonder if i do feel something or if its just combustion since its so close to where combustion build up is on the sleeve.I also couldnt understand how it is a perfect ring. Anyhow thanks for the insight.




Modified by Project99EK at 5:56 PM 8/21/2006

 

Was the piston at the top of the cylinder when you got it? How long was the block sitting?

 

to be honest i dont know how long it was sitting to my knowledge it wasnt that long (a few months maybe) and it was covered when i saw it. all of the sleeves have the ring if thats what ur asking not just the two i posted

 

Your cyclinders are fine, and not to worry about the copper color, I was told this by my mechanic/mechinist. I had the same discoloration on my b18 when I received it, and it was sitting around for over a year in a garage. I believe it's the combination of the oil and slight corrosion.

So long as there is no pitting, and the sleeves are honed properly. I was told the it will not effect my cyclinders/compression, and will burn off.

If I'm wrong someone correct me.......

 

thanks for the reply

 

i would say your fine unless there is pits and/or scratches in the copper line. just run a hone through it before you put the pistons in. you should be fine.