Motors

[Burn]

So I've been reading quite a lot of posts regarding engine swaps. Good, bad seems no one rally agrees. My question will an Alpah 5.3l not fit into a 2006 H3.

 

[alrock]

The 5.3 will fit. I believe the two most significant fab mods are moving the motor mounts and some clearance on the firewall around the trans tunnel.

 

[3Hummers]

http://www.hummer4x4offroad.com/forum/showthread.php?5774-Swap-5-3L-for-3-7L

This might help you.