ok so im new to 240sx's but i have a good idea about them and could use some pointers and some advice,i have a ka24de that has 3 valves that are bad the guy im buying the car form did a compression test and he said that they were like 135 110 110,i doint know how bad that is but i believe they should be around 210 200 200 or something so im in need of help,and wat rout i should go,"thanks a lot for the help"....