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Old 05-13-2014, 03:05 PM   #1
1968pickup
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68 chevy pickup sbc to bbc swap ?? mounts

Hi I have a 68 c20 on a 4x4 frame it had a 350 abd in it now I'm going to a big block 402 I plan on using headers do I need to just get the big block towers for the frame and then use the old small block mounts with some large washers or what do u guys recommend were is the best place to buy the towers if I need them any info appreciated I attached a pic of frame mounts
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Old 05-13-2014, 03:17 PM   #2
1968pickup
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Re: 68 chevy pickup sbc to bbc swap ?? mounts

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Old 05-13-2014, 05:23 PM   #3
john
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Re: 68 chevy pickup sbc to bbc swap ?? mounts

Welcome to the board 1968. GM never put a BB in a 67-72 4x4 so you will have to use what you've got for mounts. The other problem is the firewall will be tight. Some people hammer the firewall, others use a body lift for clearance.
But it has been done many times.
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Old 05-13-2014, 06:36 PM   #4
2 Far Gone
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Re: 68 chevy pickup sbc to bbc swap ?? mounts

Check out my build thread. I used the small block mounts but had to shoved the driveline back 2 inches which caused clearance issues with the transfer case and the floor.
Good Luck, It can be done.
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http://67-72chevytrucks.com/vboard/s...d.php?t=611571
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Old 05-14-2014, 07:08 PM   #5
1968pickup
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Re: 68 chevy pickup sbc to bbc swap ?? mounts

Looks like I would be better off keeping the small block
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