Cooling & HVAC

Diagnosis Air conditioning in the bespoke HVAC system has worked beautifully, but after installation was completed, there was no heat whatsoever! Since the entire HVAC design is highly customized, a diagnosis required looking at the entire setup. The first step involved verifying that the basic coolant plumbing was properly installed....

Cars today use HEPA filtration integrated into the HVAC system to remove dust, pollen, and other contaminants from highway air. The typical method of cleaning air is to place a cabin air filter between the outside inflow vent and the HVAC blower fan. But back in the 1970s air quality...

Background See also Jaguar XJ6 airflow discussion in the Climate control options and air purification posts. Midway through the Series 1 XJ6 production in the early 1970s, Jaguar introduced a fresh air intake routed through the front headlamp embellishers. A tube passed along the front wings, made a sharp turn,...

System design The Chevy LS3 V8 engine generates significant heat so a state-of-the-art cooling system must be part of restomod planning. Major components Pressurized cooling systems manufactured since the 1980s typically integrate seven major components: radiator (with or without fill cap) pressurized cap placed at highest point to enable air...

Our updated air conditioning system will use the R-134a refrigerant instead of the older R-12 that was in the original 1972 version. R-134a will itself be phased out in the next decade or so, but until then, it’s the best choice for aftermarket restomod projects. The basic layout is similar...

There are two Vintage Air Compac GenII (see climate control options post) dash interface options worthy of consideration: the Vintage Air Streamline 4-knob analog horizontal panel (491229), or the Dakota Digital digital push button oval (DCC-2300). Vintage Air Streamline The Streamline interface provides basic HVAC functionality — multiple mode heat,...