does anyone know what the olds 307 weighs? also need a rough idea of what a sbc 350 weighs with aluminum heads, intake and headers, trying to find springs for front of the 442, it sits abit too high now with the sbc in it, i dont want to cut the 442 springs as they are going back in the car when i get an olds engine rebuilt, or would anyone know what spring would work to lower the car roughly 2 inches in the front???? the moog spring chart dont help me much