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Re: CX Heater [Re: Alistair] #745532
22/06/22 09:43 PM
22/06/22 09:43 PM
Joined: Feb 2016
Posts: 4,902
East Harling, Norfolk UK
RichardV6 Offline
Part of the Furniture
RichardV6  Offline
Part of the Furniture

Joined: Feb 2016
Posts: 4,902
East Harling, Norfolk UK
Originally Posted by Alistair
I would imagine this is down to the emission engineering ?

Most modern cars aim to get the engine up to temperature as quickly as possible so they can manage the emissions and during this phase it might be keeping the hot water within the engine loop? If the AirCon in a big BM is setup correctly it may supplement this to give you heat through an electric element?

Just boot it a bit more innocent

My Ford engined Roadster has the engine quick warm up bypass and heater feed taken from the same cylinder head coolant rail, albeit former from the front and latter from the rear. Return for both arrive in the same mixing chamber feeding to circulating pump and prior to thermostat controlled radiator circuit. This places the two effectively in parallel and I imagine most modern cars work in a similar manner. There are no possibilities for a quick warm up to benefit emissions compromising heater output therefore.

Heater plumbing, core capacity and heated air ducting are another matter though.


2018 Roadster - Red/Magnolia - "Morton"
1966 Land Rover series 2a SWB
1945 Moto Guzzi Airone
Re: CX Heater [Re: Capt Aero] #745632
23/06/22 03:59 PM
23/06/22 03:59 PM
Joined: Jan 2022
Posts: 9
Derek596 Offline
New to Talk Morgan
Derek596  Offline
New to Talk Morgan

Joined: Jan 2022
Posts: 9
Originally Posted by Capt Aero
The first CX cars had wondeful air to the dash vents but no physical pipe connection to the footwells, they must have assumed air would find it's way down there, it didn't. The first fix was 3D printed parts to direct the air, that was better but definitety feeble even with the dash vents closed. I haven't felt any improvement on later cars so that seems to be as good as it gets.

Interesting, that would explain why I get no air. Surely that however must be either a mistake or a design fault.

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