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07-24-2017, 10:34 PM
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#1 | |
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Registered User
Join Date: Jan 2011
Location: Townsend MT
Posts: 1,725
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A/C BTU's
So me and my buddies were discussing the ins and outs of '60's and early '70's A/C systems this afternoon when we came up with a question that none of us could answer and Google was of no use so I thought I would bring it before the A/C experts.
How many BTU's per hour does the average factory installed GM pickup A/C put out? Thoughts? How does this rating compare to newer standard cab vehicles?
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1966 F250 4X4 416 1972 K20 350 4 OTF Quote:
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07-25-2017, 11:11 AM
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#2 |
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Registered User
Join Date: Nov 2014
Location: Lincoln City DE
Posts: 1,292
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Re: A/C BTU's
British Thermal Unit is a measurement of how much energy is required to raise the temperature of one pound of water by one degree. A lot of factors go into this calculation.
Roughly a 150 sf area takes 5000 btu's , 200 sf takes 6000 etc
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Stan 67 swb BLU MULE posted via flip-fone |
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07-25-2017, 11:27 AM
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#3 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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Re: A/C BTU's
From what I found on google
Most auto AC's are right around 5 tons. 
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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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07-25-2017, 01:23 PM
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#4 |
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Registered User
Join Date: Nov 2014
Location: Lincoln City DE
Posts: 1,292
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Re: A/C BTU's
Tonnage refers to how many btu of air removed in an hour. Benchmark is about 20 btu per sf, Since vehicle is all windows may take more.
truck cab roughly 100 sf
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Stan 67 swb BLU MULE posted via flip-fone Last edited by harpo231; 07-25-2017 at 01:29 PM. |
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07-25-2017, 09:17 PM
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#5 |
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Registered User
Join Date: May 2013
Location: Colorado Rocky Mountains
Posts: 263
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Re: A/C BTU's
I think I remember a "ton " of A/C is about 12,000 btu's.
Back in the day it equaled the cooling of 2000 lbs. of ice. My truck only has 2/70 cooling with additional twin vent wing auxiliary coolers for the over 90F. days! All the Best, Dirk |
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