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72MARIO · 01-27-2015, 10:14 PM

The 73 springs are longer. They require some work to fit but it has been done. There is a build thread on a big block blue suburban and he used 73 up springs

01-27-2015, 10:14 PM	#3
72MARIO Registered User Join Date: Nov 2000 Location: Huntsville Ontario Canada Posts: 4,052	Re: 4 inch lift The 73 springs are longer. They require some work to fit but it has been done. There is a build thread on a big block blue suburban and he used 73 up springs __________________ 1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair http://67-72chevytrucks.com/vboard/s...d.php?t=625017 1967 C/20 6.0/4L80 Roofing Truck 1990 V2500 Suburban "Plow Truck" 2005 TAHOE DD