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**Palf70Step** · 09-03-2021, 07:12 AM

I know the core support mounts are different for 67 /68 that they are for 69-72. I wonder if that is what might be making the measurement different? If you are going to use the 72 on 68 frame you may need to swap the core support brackets also. Otherwise they should be the same.

09-03-2021, 07:12 AM	#13
Palf70Step State of Confusion! Join Date: Jul 2002 Location: Gulfport, MS USA Posts: 47,470	Re: Help! 67 gmc k20 71 k20 cab frame mount difference I know the core support mounts are different for 67 /68 that they are for 69-72. I wonder if that is what might be making the measurement different? If you are going to use the 72 on 68 frame you may need to swap the core support brackets also. Otherwise they should be the same. __________________ Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God!