An out of state customer brought this 2011 Jeep JKU for a LS engine swap. He chose a GM crate 480HP LS3 and a 6l80E 6 speed automatic transmission.
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Im going to try to lay this thread out so you can see what steps are required on a LS swap. Im sure I will miss some and with a severe lack of extra time i may be AWOL for days at a time but feel free to ask questions or request more detailed pictures of certain ares.
Split the Jeep body from the frame. Its pretty simple, there are several threads that details this step and we usually buzz thru this pretty quicks so I don't have very many pictures or details.
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Remove Jeep 3.8 engine. Again pretty strait forward. You will want to save the engine harness (c102) coolant sensor and crank sensor as well as the battery harness.
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Remove the original engine mounts from the frame. A cutoff wheel or plasma cutter works well here. Be careful not to cut into the frame
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Clean up the Jeep frame with a grinding wheel or flapper disk
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Install the new LS engine mount plates. (Our LS high clearance plates are used here)
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http://www.rpmextreme.com/Category/42/Jeep-JK-LS-Swap-Components.aspx
Install new transfer case input.
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Mate up transferase to transmission using adapter and install everything to the engine. Install as 1 unit.
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Install accessory drive system and belt. don't forget to mount the crank sensor first.
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Drive shafts are in. currently there are stock buy we will be upgrading them. Stock driveshafts will work with a 5.3 but won't hold up to the power of a 6.2.
We modified the c100 and c102 harnesses and are currently installing the main harness and battery harness.
Hopefully next step will be to drop the body and start welding up exhaust.
Im going to try to lay this thread out so you can see what steps are required on a LS swap. Im sure I will miss some and with a severe lack of extra time i may be AWOL for days at a time but feel free to ask questions or request more detailed pictures of certain ares.
Split the Jeep body from the frame. Its pretty simple, there are several threads that details this step and we usually buzz thru this pretty quicks so I don't have very many pictures or details.
Remove Jeep 3.8 engine. Again pretty strait forward. You will want to save the engine harness (c102) coolant sensor and crank sensor as well as the battery harness.
Remove the original engine mounts from the frame. A cutoff wheel or plasma cutter works well here. Be careful not to cut into the frame
Clean up the Jeep frame with a grinding wheel or flapper disk
Install the new LS engine mount plates. (Our LS high clearance plates are used here)
http://www.rpmextreme.com/Category/42/Jeep-JK-LS-Swap-Components.aspx
Install new transfer case input.
Mate up transferase to transmission using adapter and install everything to the engine. Install as 1 unit.
Install accessory drive system and belt. don't forget to mount the crank sensor first.
Drive shafts are in. currently there are stock buy we will be upgrading them. Stock driveshafts will work with a 5.3 but won't hold up to the power of a 6.2.
We modified the c100 and c102 harnesses and are currently installing the main harness and battery harness.
Hopefully next step will be to drop the body and start welding up exhaust.
