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Davidf · 06-10-2021, 09:11 AM

Congrats on the "new" truck. Good decision on the LS swap. I am nearing the later stages of my swap into my '71 lwb. Hop on over to the 'LSx Swap" forum and read up.

Since you have a factory air truck, I highly recommend you keep the LS low mount a/c compressor. Use the Hooker Blackheart mounts and cross member and your compressor will clear the frame easily and the engine/trans will retain proper driveline angles. Plus, no modification to the mounts or a/c bracket. I also am changing to a more modern accumulator/orifice tube a/c system to work better with cycling a/c compressor. I am controlling the compressor through the ECM.

I also highly suggest you buy an entire running vehicle as a donor for the swap. It is amazing how many parts you can scavenge from the donor.

My build will cost just under $4k with me doing all the work. Large $ chunks are for specialty items like a $315 analog speedometer drive...I'm keeping my '71 gauges.

06-10-2021, 09:11 AM	#25
Davidf Registered User Join Date: Nov 2014 Location: Austin Posts: 749	Re: Someone save this truck Congrats on the "new" truck. Good decision on the LS swap. I am nearing the later stages of my swap into my '71 lwb. Hop on over to the 'LSx Swap" forum and read up. Since you have a factory air truck, I highly recommend you keep the LS low mount a/c compressor. Use the Hooker Blackheart mounts and cross member and your compressor will clear the frame easily and the engine/trans will retain proper driveline angles. Plus, no modification to the mounts or a/c bracket. I also am changing to a more modern accumulator/orifice tube a/c system to work better with cycling a/c compressor. I am controlling the compressor through the ECM. I also highly suggest you buy an entire running vehicle as a donor for the swap. It is amazing how many parts you can scavenge from the donor. My build will cost just under $4k with me doing all the work. Large $ chunks are for specialty items like a $315 analog speedometer drive...I'm keeping my '71 gauges.