A/C compressor question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

stateamind · 04-18-2003, 01:04 AM

Anybody know if it's possible to run a new style a/c compressor, say from a 92 chevy on my 72 c-10? Reason I ask is I am thinking of running the front brackets from a 92, since I have them and the old compressor wasn't there when I bought the 72. I like the small size of the compressor on the 92 model and would like to run a serp. belt too. Anybody done this? If so, maybe a pic or two?

Thanks all

73stepside · 04-18-2003, 04:07 AM

i want to do this set up too. i doesn't look to hard. you will have to change the water pump to the new long style with reverse rotation and get new pulleys. the old ones from the donor teuck should work just fine. it's also a good time to upgrade to a high output alternator, which should be with the donor. i think the a/c compressor will work with the old system but i am not sure. i am going to pull the whole a/c system from a donor truck, just so i have everything that i may need. hope this helps. i would like to know more info on the a/c comp too.

krue · 04-18-2003, 04:24 AM

I am gonna try taking the compressor and condensor out of a 92 S-10. Hopefully I can make it work!

Class of 69 · 04-18-2003, 08:30 AM

I believe Classic Ind. makes a conversion kit to use the newer clutch cycling compressors. You have to remove the filter dryer, POA valve, and reroute some of the freon hoses. Add an accumulator and orifice valve. Wire in a pressure switch to regulate the compressor clutch, and waalaa. You have a clutch cycling system.

krue · 04-18-2003, 08:58 AM

Djoesn't sound too hard! (FAmous last words!!!!)

Class of 69 · 04-18-2003, 09:33 AM

I hear ya there, krue. I think the serpentine belt conversion will be the hard part, getting all the right pulleys to line up. I'm assuming you guy's would be converting to R134a freon too. The kit I mentioned from Classic comes with all the parts to change over...something like $350.00 for cost, so it isn't cheap.. I think a guy could find all the pieces in a bone yard for much less, or a donor truck would be ideal.

Blue68 · 04-18-2003, 12:44 PM

Something like this perhaps? It looks a little different now but this is all from a '98 Z-71. The compressor isn't hooked up yet but the hoses are gone, cut them off the hose block and will have new ones of the correct size welded (brazed, heli-arch) to the existing block and routed correctly.

04-18-2003, 01:04 AM	#1
stateamind And you call that a what? Join Date: Oct 2002 Location: Dickson, TN Posts: 171	A/C compressor question Anybody know if it's possible to run a new style a/c compressor, say from a 92 chevy on my 72 c-10? Reason I ask is I am thinking of running the front brackets from a 92, since I have them and the old compressor wasn't there when I bought the 72. I like the small size of the compressor on the 92 model and would like to run a serp. belt too. Anybody done this? If so, maybe a pic or two? Thanks all

04-18-2003, 04:07 AM	#2
73stepside Registered User Join Date: Feb 2002 Location: Moore OK 73160 Posts: 974	i want to do this set up too. i doesn't look to hard. you will have to change the water pump to the new long style with reverse rotation and get new pulleys. the old ones from the donor teuck should work just fine. it's also a good time to upgrade to a high output alternator, which should be with the donor. i think the a/c compressor will work with the old system but i am not sure. i am going to pull the whole a/c system from a donor truck, just so i have everything that i may need. hope this helps. i would like to know more info on the a/c comp too. __________________ 04 GMC Sierra RCSS 70 CST LWB 04 HD Sportster 1200 Custom

04-18-2003, 04:24 AM	#3
krue Designated A-hole! Join Date: Mar 2003 Location: South Mississippi Posts: 36,450	I am gonna try taking the compressor and condensor out of a 92 S-10. Hopefully I can make it work! __________________ "If it ain't broke, fix it 'til it is!" Being stupid ain't illegal. We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck"

04-18-2003, 08:30 AM	#4
Class of 69 Registered User Join Date: Mar 2003 Location: Stillwater MN Posts: 1,166	I believe Classic Ind. makes a conversion kit to use the newer clutch cycling compressors. You have to remove the filter dryer, POA valve, and reroute some of the freon hoses. Add an accumulator and orifice valve. Wire in a pressure switch to regulate the compressor clutch, and waalaa. You have a clutch cycling system. __________________ 69 GMC K10 ..some restoration required....still..

04-18-2003, 08:58 AM	#5
krue Designated A-hole! Join Date: Mar 2003 Location: South Mississippi Posts: 36,450	Djoesn't sound too hard! (FAmous last words!!!!) __________________ "If it ain't broke, fix it 'til it is!" Being stupid ain't illegal. We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck"

04-18-2003, 09:33 AM	#6
Class of 69 Registered User Join Date: Mar 2003 Location: Stillwater MN Posts: 1,166	I hear ya there, krue. I think the serpentine belt conversion will be the hard part, getting all the right pulleys to line up. I'm assuming you guy's would be converting to R134a freon too. The kit I mentioned from Classic comes with all the parts to change over...something like $350.00 for cost, so it isn't cheap.. I think a guy could find all the pieces in a bone yard for much less, or a donor truck would be ideal. __________________ 69 GMC K10 ..some restoration required....still..

04-18-2003, 12:44 PM	#7
Blue68 Registered User Join Date: Apr 2000 Location: Frisco, Tx, USA Posts: 606	Something like this perhaps? It looks a little different now but this is all from a '98 Z-71. The compressor isn't hooked up yet but the hoses are gone, cut them off the hose block and will have new ones of the correct size welded (brazed, heli-arch) to the existing block and routed correctly. Attached Images __________________ http://home.comcast.net/~r.landrum/w...tos.html-.html '68 C-10 LWB, '98 Z-71 350 w/accessories (Serpentine), Edelbrock Performer, Edelbrock 1405 (600cfm) carb, GM HEI, CompCam Extreme 4x4 roller cam, Thorley Headers, Carter Electric Fuel Pump, Vintage Air, 700r4, 3.73, disc brakes and power steering upgrades.



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