4L80E behind a 5.3

[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?

[boostedc10]

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?

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.

[ls1nova71]

It may depend on where the engine is mounted, but my blue 72 had a 6.0/4l80e and had the low hump and it fit fine. There are pics in the build thread in my sig if you want to see where the engine was, but it was close enough to stock that the fan fit the fan shroud.

[boostedc10]

Originally Posted by ls1nova71

It may depend on where the engine is mounted, but my blue 72 had a 6.0/4l80e and had the low hump and it fit fine. There are pics in the build thread in my sig if you want to see where the engine was, but it was close enough to stock that the fan fit the fan shroud.

Must be. I know on mine with Nates crossmember there is no way its fitting under the low hump.

On a side note yours and acks trucks were the ones that pushed me to an LS in mine. Loved how clean it was! Have you seen it since it sold at auction?