picked up a fan shroud for the scout at nats. got it cleaned up, planned to put it on. now as i look at it, i'm not certain how it goes on. clue me in, does the part that extends out with the flat area go to the top and the "longer" part that covers more go to the bottom? i was thinking it bolted on side to side, but am pretty sure it goes bolted top and bottom. checked photopost, but didn't find anything with a search. TIA!