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hot rod · 12-20-2016, 08:23 PM

The 8.1 (496) was an entirely new engine in 2001 to replace the 7.4 (454). Nothing interchanges, it is an entirely different engine. But it is already a multi-port fi, just need to rob the rails and injectors from a junkyard pickup/suburban/mdt.

12-20-2016, 08:23 PM	#6
hot rod Senior Member Join Date: Jan 2011 Posts: 527	The 8.1 (496) was an entirely new engine in 2001 to replace the 7.4 (454). Nothing interchanges, it is an entirely different engine. But it is already a multi-port fi, just need to rob the rails and injectors from a junkyard pickup/suburban/mdt.