first order of buisness
i have jdm dohc zc engine block and around the cylinder holes are little cracks very little about the size of a hair. will this effect anything.



second order of buisness
i believe the previous owner of my hatch tried to remove the tint off the side windown and front windshield. it does not look like he did a good job. you know when u peel off a piece of tape thats been on something for a long time it leaves the adhesive behind thats what it looks like happened to my windshield. how do i get rid of it.

 

judging by those cracks and the indent on the edge of the crankcase area, looks like that block had a thrown rod in which case id say its done and not worth doing anything to. as far as that residue on the window goes, you could use goo gone which in my area can be bought at the dollar store or natural orange spray from home depot-