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**old Rusty C10** · 02-02-2017, 09:34 PM

My son has a 2003 flex fuel 4wd suburban with about 195K on the 5.3 motor . the motor is bad we have access to a 2000 Chevy Silverado that has a non flex fuel 5.3 are these interchangeable and what else do we need to loot from the pickup to make the suburban run right?

02-02-2017, 09:34 PM	#1
old Rusty C10 Robert Olson Transport Join Date: Oct 2002 Location: recent transplant to NC USA Posts: 20,261	fast engine question My son has a 2003 flex fuel 4wd suburban with about 195K on the 5.3 motor . the motor is bad we have access to a 2000 Chevy Silverado that has a non flex fuel 5.3 are these interchangeable and what else do we need to loot from the pickup to make the suburban run right? __________________ Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!!