Re: 80 c10 straight six to 454 swap
As far as I know, none of the I6 accessory brackets and pulleys will fit a big block. You will need all of that for a big block with a long water pump. Although the alternator and power steering pump itself will work. If you happen to have the 292 I6, you will have to get a different passenger side motor mount bracket. If you have the 250, the motor mounts you have will work just fine.
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