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JimKshortstep4x4 · 02-17-2010, 08:23 PM

The 73 crossmember is not a bolt in replacement, so you will need to modify the way it is mounted. If you look at it you will notice that it mounts at a different angle from the 72 K-10.

Jim

02-17-2010, 08:23 PM	#6
JimKshortstep4x4 Senior Member Join Date: Jul 2001 Location: Muskegon,MI,USA Posts: 6,026	Re: How to replace frame crossmember? The 73 crossmember is not a bolt in replacement, so you will need to modify the way it is mounted. If you look at it you will notice that it mounts at a different angle from the 72 K-10. Jim __________________ 1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC