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Old 12-14-2011, 10:36 PM
rockrod rockrod is offline
Join Date: Mar 2011
Location: The Pinery, CO
Posts: 159

Originally Posted by rover67 View Post
I agree quite a feat!!

I had custom hoses made for my rig and used the Toyota evaporator and condensor alone with the gm compressor. It works pretty well. The ac idle up uses a separate computer from gm to control it so I never hooked that up. I do use the stock Toyota controls to cycle the compressor though.. The pressure, temp, and rpm switch. I am sure you can do something similar in the 80.
supposedly the vortec pcm will sense the drag from the compressor and self compensate the idle. There is an input to tell the pcm the a/c is on but it's a CAN input from the body module on the gm truck so no dice trying to make the toyota a/c amplifier tell the pcm the a/c is on. I will have an input to the fan relay set to trigger a small pusher fan mounted in front of the condenser to help with low speed a/c performance.
1994 FZJ80. Elocked, MAF 3/2 Lift, BFG 315 KM2s, stock 4.10s, ARB bullbar and a Warn 8074 winch.

powered by an all-aluminum 335hp L33 Vortec V8

2004 Kona Stinky dee-lux.
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