the 06 civic has a k20 in it.... but my other friend has a 90 hach with a obd 1 sohc d16z6 with a skunk2 header back exhast and he lost by 1/2 a car, they raced from a stop,but when i raced the 90 hach i won by alot of cars.... and we raced from a stop too..so i really dont know.... it will be...