hi, i recently bought a defender, late 1994, it already had a 2" lift, terrafirma i believe. the front left shock had broken, so i needed to replace it, i was told if i wanted to make it better, for off road use, to put +2 terrafirma gas shocks and +2 turrets on the front. +2 gas shocks on the rear and minus 2 shock droppers on the rear,, which has been done, now its as if the truck bottoms out even over the smallest bump, can any one help me please