MG Sports Cars

engine swaps and other performance upgrades, plus "factory" and Costello V8s

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mstemp
Mike Stemp
Calgary, Canada
(197 posts)

Registered:
11/25/2009 07:18AM

Main British Car:
1980 MGB Rover 4.6L

Re: Air Conditioning
Posted by: mstemp
Date: December 07, 2013 06:43PM

Heater for the garage? In Dallas, come on Paul!

Just fired mine today, it's was -30 C last night here so I think I am justified. Hot chocolate does not help at these temps, maybe a full bottle of single malt will.

Mike


pspeaks
Paul Speaks
Dallas, Texas
(698 posts)

Registered:
07/20/2009 06:40PM

Main British Car:
1972 MGB-GT 1979 Ford 302

authors avatar
Re: Air Conditioning
Posted by: pspeaks
Date: December 08, 2013 01:27PM

Believe it or not Mike, it was 20 degrees here last night but I think you're right a good single malt might help. It isn't so much the cold as it's been in the low 20's for three days and everything is still covered with ice. I'm not complaining about the temp but I guess I need to make myself feel better about putting my feet up and not getting stuff done on the GT. Actually I just made that up, at my age I don't really need a reason. Besides, that's not cold compared to the north and it not unusual for Texas. Is this what they mean by global warming :-)


Paul



Edited 1 time(s). Last edit at 12/08/2013 01:37PM by pspeaks.


rficalora
Rob Ficalora
Willis, TX
(2626 posts)

Registered:
10/24/2007 02:46PM

Main British Car:
'76 MGB w/CB front, Sebring rear, early metal dash Ford 302

authors avatar
Re: Air Conditioning
Posted by: rficalora
Date: December 08, 2013 02:42PM

Heck, I think it's COLD! It was in the 30's here in Houston... I had to put the top up earlier this week. Even hooked up my heater which hadn't seen power for 8 years prior to that ;).


hirot
Ian Hart
Ashbourne UK
(88 posts)

Registered:
06/01/2011 05:15AM

Main British Car:
1971 MGB GT (conversion) Rover 3947 R380 gearbox

authors avatar
Re: Air Conditioning
Posted by: hirot
Date: December 09, 2013 12:34PM

I can appreciate the need for air conditioning in the sort of temperatures you have but how do you get the under hood temperature down even before you add the extra heat created by the aircon radiator ?

Above about 25mph my engine runs around 82 and stays there even on a hot (UK hot) day and below that speed the two 9" puller fans cope easily, however, when I stop for 5 minutes the heat just soaks in and the fuel evaporates, making starting a pain. I am about to try a phenolic spacer to see if it helps.

I can't start to imagine how hot it must get in the very confined engine space in your heat, as at slow speeds one problem is getting enough air through the radiator and the other is getting it out through the engine bay. I have louvres above the wrapped exhaust headers, which go out through the wings, and when my fans come on the hot air blows out the louvres and straight down the heater vent by the wind screen. The upside is that it will keep the ice of the screen, the downside is it gets hot in the car in summer.

Will your aircon replace the MG heater box ? if not where will you draw the air to pass through the the cooling matrix ? I only ask as I would like to remove the MG heater box and use the vent to feed cool air into my Edelbrock.

Ian


avbates
Tony Bates
San Jose California
(25 posts)

Registered:
03/22/2008 12:16PM

Main British Car:
74 MGB roadster 4.2 litre Rover

Re: Air Conditioning
Posted by: avbates
Date: December 10, 2013 11:39AM

My AC unit picks up fresh air from the passesnger footwell


hirot
Ian Hart
Ashbourne UK
(88 posts)

Registered:
06/01/2011 05:15AM

Main British Car:
1971 MGB GT (conversion) Rover 3947 R380 gearbox

authors avatar
Re: Air Conditioning
Posted by: hirot
Date: December 10, 2013 02:43PM

So you just recycle the in car air for the aircon and get fresh air through the screen air vent?


rficalora
Rob Ficalora
Willis, TX
(2626 posts)

Registered:
10/24/2007 02:46PM

Main British Car:
'76 MGB w/CB front, Sebring rear, early metal dash Ford 302

authors avatar
Re: Air Conditioning
Posted by: rficalora
Date: December 10, 2013 08:11PM

Mine just gets cabin air too. No different than a production car in recirc mode which we keep our cars on all the time around here anyway due to the humidity. My fresh air vent is closed off too. Works great.



classic conversions
bill guzman

(294 posts)

Registered:
01/09/2008 01:58AM

Main British Car:


Re: Air Conditioning
Posted by: classic conversions
Date: December 10, 2013 08:21PM

"My AC unit picks up fresh air from the passesnger footwell"

I hope everyone wears clean socks LOL :-)


pspeaks
Paul Speaks
Dallas, Texas
(698 posts)

Registered:
07/20/2009 06:40PM

Main British Car:
1972 MGB-GT 1979 Ford 302

authors avatar
Re: Air Conditioning
Posted by: pspeaks
Date: December 11, 2013 02:30AM

Mine isn't finished yet but it will use cabin air as well. My other cars are permanently set to recycle too


Paul
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