Quote:
Originally Posted by LowLifeS10
Does the 67-72 cab need a high hump for the 4L80e to fit? And is there anything that need to change on the 5.3 so the 4l80e will work except from the pcm flash and wire harness mod?
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Yes you will need to have a high hump. If you are layed out you will have to make a few additional mods to the hump and floor. As for the swap you will also have to figure out what converter you are running. If you plan to run a stock 80 you will need the flex plate and spacer from the 6.0l. If you are going to a custom converter you can have the cover done so you can use the stock 60e stuff.