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EchoMirage · 04-27-2007, 05:27 PM

Ram Air IV was a 400. All the Ram Airs (I-IV, and even the rare V) were 400s. the 455 you want to test is the 73/74 Super Duty.

04-27-2007, 05:27 PM	#12
EchoMirage 13 Second Club Join Date: Feb 2007 Posts: 875 iTrader: (10)	Ram Air IV was a 400. All the Ram Airs (I-IV, and even the rare V) were 400s. the 455 you want to test is the 73/74 Super Duty. __________________ yes, my hog is bigger then yours