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72freak · 04-30-2006, 07:38 AM

4 options......

Complete vintage air, heatand defrost type system.....$1025 + refrigerant
Just add new underdash type system......$600ish
Piece together an older dealer installed type under dash unit together..$300
Replace dash with AC dash and piece a factory AC system together..$500ish

If you are making a daily driver I would go with the newer style under dash. Its quick and easy and you wont spend every spring tracking down freon leaks. They make some nice ones now that all you see is a control panel and a few vents.

If your truck is going to be a keeper and $1100 doesnt scare you off.....the vintage air factory system is the way to go...Thats what I am getting. If you decide to go this way you will have to repalce your dash or they offer one similar for non-ac cab.

04-30-2006, 07:38 AM	#5
72freak Rottenwood Garage Member Join Date: May 2005 Location: Marietta, Georgia Posts: 4,321	Re: Adding AC to 71 GMC 4 options...... Complete vintage air, heatand defrost type system.....$1025 + refrigerant Just add new underdash type system......$600ish Piece together an older dealer installed type under dash unit together..$300 Replace dash with AC dash and piece a factory AC system together..$500ish If you are making a daily driver I would go with the newer style under dash. Its quick and easy and you wont spend every spring tracking down freon leaks. They make some nice ones now that all you see is a control panel and a few vents. If your truck is going to be a keeper and $1100 doesnt scare you off.....the vintage air factory system is the way to go...Thats what I am getting. If you decide to go this way you will have to repalce your dash or they offer one similar for non-ac cab.