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#1 |
Registered User
Join Date: Apr 2014
Location: atlanta ga
Posts: 91
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installing AC after ls swap 76 K-10
got the swap done and driving,
5.3 from 2002 pickup with NV3500 5 speed from 07 silverado have the factory ac stuff bolted into the firewall had to remove the AC compressor to clear the frame. have some questions I cant find a consistent answer to what condenser to use? stock 76? something else? what AC compressor and mount? the one that came on '02 LS engine? something else? hoses? I actually have a vacuum pump to vac the system when its installed. Last edited by roundhouse; 07-13-2016 at 10:41 AM. |
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#2 |
Senior Member
![]() Join Date: Sep 2007
Location: Albuquerque NM
Posts: 7,848
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Re: installing AC after ls swap 76 K-10
from what ive read its easiest to use the dd compressor relocation brackets.
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1967custom |
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#3 |
meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: installing AC after ls swap 76 K-10
With the number of variables in the trucks, engines, and aftermarket parts...there really ISN'T a consistent answer to some of these questions. I'm seeing it a bit more often now, that so much info has been plainly broken down and the number of "hard" problems has been reduced.
Don't take it the wrong way, but the questions posted were basically everything about an a/c setup. When that happens, you've gotta go past the simple "question and answer" research method and approach it from a more scientific approach. Its also the time when I encourage the OP to be the one to find the answer, and bring it to the community. If you aren't finding the info you want, change the way you look for it. A mix of the "search this forum" tool and the main site search up top resulted in 7+ pages of topics directly pertaining to the things you've asked.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING ![]() |
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#4 | |
Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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![]() Quote:
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 ![]() Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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#5 |
Registered User
Join Date: May 2013
Location: Mississippi
Posts: 501
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Re: installing AC after ls swap 76 K-10
I went with the Dirty Dingo compressor bracket and Saden 508 compressor.
Had to have some custom A/C lines made cost about $170. Used stock condenser, evaporator etc. just replaced the accumulator and office tube at the same time. Just check which alternator you have when you buy your serpentine belt. Large and small case alternators used different size belts with the Dirty Dingo setup.
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![]() 1987 R20 Suburban LQ4/4L80e swap: http://67-72chevytrucks.com/vboard/s...d.php?t=693824 |
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#6 |
Registered User
Join Date: May 2013
Location: Mississippi
Posts: 501
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Re: installing AC after ls swap 76 K-10
Here is a pic installed in my truck.
Note if your going to use the 3 piece engine covers, you will need to trim some plastic off the pass side cover to clear the compressor.
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![]() 1987 R20 Suburban LQ4/4L80e swap: http://67-72chevytrucks.com/vboard/s...d.php?t=693824 |
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#7 |
Registered User
![]() Join Date: May 2005
Location: Tallahassee Fl
Posts: 773
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Re: installing AC after ls swap 76 K-10
Replacement 91 Suburban Condenser should be parrallel flow and a bolt in. I put one in my 72, took a little modifications for that application.
Will the stock compressor not fit at all? |
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#8 | |
Registered User
Join Date: Apr 2009
Location: Pflugerville, TX
Posts: 594
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Re: installing AC after ls swap 76 K-10
Quote:
I've since had to clearance a bit more to account for engine movement. |
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#9 |
Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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I put a LS1 bracket on my 6.0. No problems at all for 3 years.
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__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 ![]() Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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#10 | |
Registered User
Join Date: Apr 2014
Location: atlanta ga
Posts: 91
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Re: installing AC after ls swap 76 K-10
Quote:
the Sanden 508 is not the compressor that comes stock on the 5.3? I have to buy that aftermarket like from Dirty Dingo? what hose fittings will I need for the 508? DD website is severely lacking in that kind of info Last edited by roundhouse; 07-15-2016 at 02:49 PM. |
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#11 |
Registered User
Join Date: May 2013
Location: Mississippi
Posts: 501
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Re: installing AC after ls swap 76 K-10
Correct
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![]() 1987 R20 Suburban LQ4/4L80e swap: http://67-72chevytrucks.com/vboard/s...d.php?t=693824 |
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#12 |
Registered User
Join Date: Apr 2014
Location: atlanta ga
Posts: 91
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Re: installing AC after ls swap 76 K-10
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