brakesi just replaced my master clyinder, bleed the lines(no leaks)and clynider but i dont have a stiff brake petal, it still very spongy. what suggestions do you have for me? is the master that i bought faulty or a peice of ****?

how hard is a heater core to replace in a 1989 ford f150 4.9l v6 engine any suggestions would be very helpful

hay there im new to this getting my feet wet