I got incredibly lucky and inherited my mom's LX450 that has sat abandoned in her garage since 2009.
My plan for it is to get it running and use it to tour the country and camp BLM/backcountry. I want to keep it fairly light by 80 series standards. 33" tires, rock sliders only...etc. After I get it running I want to mess with HP tuners and see what can be done about leaning fuel trim at highway cruising speed.
I ended up sourcing a drop out package from a wrecked 2004 SSR with a LM4/4L60E. A note on using a Gen III Trailblazer/Envoy/SSR: Make sure you get the Pedal and TAC module when you pull the engine. The TAC and Pedal are very specific to which PCM they will work with. For some reason, the wrecker didn't include these two items. I could find TAC modules from Yukons and Silverados all day long in the pull-a-part but I couldn't find one 2003-2004 V8 Trailblazer or Envoy. Ebay ended up being my source for both the pedal and TAC.
Motor mounts I've picked are from The Land Cruiser Shop. I picked them because they advertise bolt-in using truck accessories. Welding is a skill I don't have and didn't have time to learn before tackling this swap. Although I would later learn that you still have to cut and weld your passenger side frame horn to clear the low mount A/C compressor. I wish they had been more up front about this. If I had known I would have to cut and weld to use A/C, I may have considered another engine mount kit that utilizes the factory rubber engine mounts. (The Land Cruiser Shop mounts use solid polyurethane bushings designed for I think a leaf spring). That being said they appear to be very high quality and everything else fit perfectly.
I am of course using the Mark's 4WD 6-bolt 4l60e adapter. Cutting the output shaft was scary but not as bad as I thought it would be. It cuts as easy as everyone says it does. I ended up having to make an adapter plate with scrap metal for the High/Low lever because the one it comes with simply does not work.
My plan for it is to get it running and use it to tour the country and camp BLM/backcountry. I want to keep it fairly light by 80 series standards. 33" tires, rock sliders only...etc. After I get it running I want to mess with HP tuners and see what can be done about leaning fuel trim at highway cruising speed.
I ended up sourcing a drop out package from a wrecked 2004 SSR with a LM4/4L60E. A note on using a Gen III Trailblazer/Envoy/SSR: Make sure you get the Pedal and TAC module when you pull the engine. The TAC and Pedal are very specific to which PCM they will work with. For some reason, the wrecker didn't include these two items. I could find TAC modules from Yukons and Silverados all day long in the pull-a-part but I couldn't find one 2003-2004 V8 Trailblazer or Envoy. Ebay ended up being my source for both the pedal and TAC.
Motor mounts I've picked are from The Land Cruiser Shop. I picked them because they advertise bolt-in using truck accessories. Welding is a skill I don't have and didn't have time to learn before tackling this swap. Although I would later learn that you still have to cut and weld your passenger side frame horn to clear the low mount A/C compressor. I wish they had been more up front about this. If I had known I would have to cut and weld to use A/C, I may have considered another engine mount kit that utilizes the factory rubber engine mounts. (The Land Cruiser Shop mounts use solid polyurethane bushings designed for I think a leaf spring). That being said they appear to be very high quality and everything else fit perfectly.
I am of course using the Mark's 4WD 6-bolt 4l60e adapter. Cutting the output shaft was scary but not as bad as I thought it would be. It cuts as easy as everyone says it does. I ended up having to make an adapter plate with scrap metal for the High/Low lever because the one it comes with simply does not work.