Have a 1988 F150 302 V8 have had car about 6 months slowly customising as budget permits. went to remove the bull bar from the front and fit chrome bumper. i ordered the bumper and chased up a set of second hand set of mounting brackets cos you cant buy new in Australia. guy wanted $150 each so i shipped a set from the USA $20 plus freight bolt holes in brackets dont line up with holes in bumper think i may have been sold wrong bumper. any ideas to determine which part is wrong???