Description:

Vortec 5.3 LM7 (LS based) motor out of 2003 Chevy Avalanche. Bought for jeep swap, but another motor landed in my lap so I'm selling this one. Tranny went bad on donor truck. Motor was running fine when pulled it - we heard it run. I pulled the intake and accessories to clean up motor as shown in pics, then reassembled. Heads were not removed. I personally modified the wiring harness to remove unnecessary connections based on pin-out diagram from Brendan at LT1swap.com. I will provide wiring schematic info for easy swap. New in-the-box rear main seal not yet installed. Computer, water pump, alternator and power steering pump included. Ready for freshen up and install in project car. Located in West Palm Beach, Florida. Mike 561-568-8045