ok i think i have found out im having a problem the pistons thati got are from a early ka, the ka24de has a deaper dish than the ka24e. and i have the ka24e my friend came over yesturday and he said that with a shim i should be just fine he has acouple races cars that he runs, he knows what hes doing. i dont think that theres been any work done to it before every thing look good wen i pulled it apart