thanks mate
well got some work done today added more expanding foam, got my 2nd d3110 and cut 4 holes in the box so i can get to the bolts that hold on the rear beam (got the be changed for mot)
tomorrows jobs are cut 4 holes in fire wall to fit my cable glands, hopfuly buy some birch if i can find any localy and make some plugs to fill the holes in the floor once rear beam has been changed