The 1947 - Present Chevrolet & GMC Truck Message Board Network

The 1947 - Present Chevrolet & GMC Truck Message Board Network (https://67-72chevytrucks.com/vboard/index.php)

- The 1967 - 1972 Chevrolet & GMC Pickups Message Board (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=3)

- - bb cross member (https://67-72chevytrucks.com/vboard/showthread.php?t=44585)

llama

03-15-2003 07:57 AM

bb cross member

putting a bb block in the 71 4x4. got the bb brackets. do i need a different cross member for the bb brackets to bolt too. they dont seem to fit on the sb cross member. thanks jeff

JimKshortstep4x4

03-15-2003 03:57 PM

There were no factory big block 4x4 trucks in 1967-72. Guys have installed them, but I am not sure what is involved. Try posting on the 4x4 board.

Good luck!

Jim

Yukon Jack

03-17-2003 12:15 PM

From what I have gathered, most people use the small block brackets. I posted an article a while back on using big block brackets and cross member from a 73-up.

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