quick piston question

89custom

Member
May 27, 2008
3,839
39
90
GTA, Ontario
where on the piston is the name brand and size? i cant seem to find it, i dont even know if this pistons a wiseco like its supposed to be.
 
if its wiseco there will be numbers on the piston .. i think there is like 9 numbers
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there is a pic u can kinda see the numbers ..
 
then mines wiseco. it looks like that but the tops a bit burnt and hard to read the numbers. and it has a little arrow. ill clean it up and get some numbers. how do i tell if its a stock bore or not?
 
If you look at that pic you will see a set of numbers at top and a set in the middle. The top set of numbers will tell you what size it is. just take that number and refrence it to model numbers on web sites and you will find out what size you have. I know at the end of that number it tells you the size but I can't remember which numbers it was.
 
i no i got to numbers off the centers of the piston and matched them up on the wiseco site and it told me what size it was .. yeah u just got to scrub the carbon off the piston thats what ii had to do .. i took some gas and a brush ..