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#1 |
Registered User
![]() Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 3,008
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A/C box questions
does anyone know if they changed the A/C box under the hood at all between '73 and '80? I need a new evaporator core and I found out there are two different series. The truck is a '74 but with a '78 cab and I'm wondering will a '74 evaporator core fit correctly into the air box or should I order one for a '78? thanks
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'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
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#2 |
What Hump?
Join Date: Apr 2003
Location: New River AZ
Posts: 2,009
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Re: A/C box questions
Best way to find out is go to the lmc online catalog and look it up, I know there is a difference in the way the accumulator connects.
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Lil red 86 c-10 99 Sub 78 Camper Special w/ 454 |
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#3 |
Registered User
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Location: Maquoketa, Ia/ Orr, Mn
Posts: 3,008
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Re: A/C box questions
I looked through LMC and according to the catalog the accumulator will fit both styles of evaporator cores but I am wondering if the evaporator cores are the same as far as mounting and dimensions for inside the air box on the fire wall. Also the accumulator I bought from them won't thread onto my evaporator core even when it says it will fit that year. I want to replace the evaporator core anyway due to it being beat up a little and open to the elements for a few years.
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'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
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#4 |
What Hump?
Join Date: Apr 2003
Location: New River AZ
Posts: 2,009
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Re: A/C box questions
I'll try to see tomorrow, I have a 78 & 86 and I'll try to find the difference.
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Lil red 86 c-10 99 Sub 78 Camper Special w/ 454 |
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#5 |
Registered User
![]() Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 3,008
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Re: A/C box questions
Ttt
__________________
'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
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