Heater Questions?

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pyebibby
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Heater Questions?

Postby pyebibby » Sun Apr 10, 2011 9:46 pm

Ive Got a Internal Heater with a Swivel knob on it, I was Wondering 1; At what point do people normally Change their Heater from Hot to cold or don't you?

Also when i turn it all the way on, there is like a seperate notch at the end of the turn. What does this do?

Thanks Chaps + Chapsess's!


18 year old Morris Driver

mike.perry
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Re: Heater Questions?

Postby mike.perry » Sun Apr 10, 2011 9:57 pm

Fully anti clockwise is off, clockwise is fully on then decreasing fan speed until almost off on fully clockwise.
I only use off & full on. In hot weather the tap on the engine can be turned off so the fan blows slightly cooler air.
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pyebibby
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Re: Heater Questions?

Postby pyebibby » Sun Apr 10, 2011 10:57 pm

And you turn it according to the weather on a day to day basis


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Neil MG
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Re: Heater Questions?

Postby Neil MG » Mon Apr 11, 2011 9:04 am

Yes, it's a good question!

Theoretically maybe, the tap can be opened in winter and closed in summer, but like you say it might need opening or closing for a specific journey. I tend to leave mine open and adjust the blower fan, ie turn it down and open the quarterlights if it gets too hot. My thought is that if you keep the tap closed for any length of time there is a good chance it or the heater pipes will become blocked or leak when you reopen it.
1956 Morris Minor Series II
1959 MGA 1600 Roadster
1966 Jaguar Mk2 3.8 MOD

pyebibby
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Re: Heater Questions?

Postby pyebibby » Mon Apr 11, 2011 10:18 am

yh quater lights are pretty brill to be honest... does it use any more fuel having heater on?


18 year old Morris Driver

ASL642
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Re: Heater Questions?

Postby ASL642 » Mon Apr 11, 2011 1:25 pm

No.

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d_harris
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Re: Heater Questions?

Postby d_harris » Mon Apr 11, 2011 2:03 pm

I tend to leave my heater permanently on, and open the windows if need be.

The heater tap seems to not do a lot anyway :roll:


chickenjohn
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Re: Heater Questions?

Postby chickenjohn » Mon Apr 11, 2011 2:23 pm

d_harris wrote:I tend to leave my heater permanently on, and open the windows if need be.

The heater tap seems to not do a lot anyway :roll:
You probably need a new one then! The valve does wear out after many years.
Cheers John - all comments IMHO
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bmcecosse
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Re: Heater Questions?

Postby bmcecosse » Mon Apr 11, 2011 3:49 pm

Running the heater fan does put some load on the dynamo and therefore on the engine - so a small increase in fuel consumption. But it costs nothing just to let the fresh air blow through. Of course - opening the quarter lights increases drag = more fuel used. So only open them when going downhill - in neutral with the engine switched off.......
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d_harris
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Re: Heater Questions?

Postby d_harris » Mon Apr 11, 2011 5:54 pm

chickenjohn wrote:
d_harris wrote:I tend to leave my heater permanently on, and open the windows if need be.

The heater tap seems to not do a lot anyway :roll:
You probably need a new one then! The valve does wear out after many years.
Why do I "need" one? I'm quite content to leave the heater on!


mike.perry
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Re: Heater Questions?

Postby mike.perry » Mon Apr 11, 2011 9:42 pm

Removing the wing mirrors would compensate for the extra fuel used by the heater fan :roll:
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pyebibby
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Re: Heater Questions?

Postby pyebibby » Mon Apr 11, 2011 11:01 pm

mike.perry wrote:Removing the wing mirrors would compensate for the extra fuel used by the heater fan :roll:
Would be as useful in my spares box as on my wings...


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santadawes
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Re: Heater Questions?

Postby santadawes » Mon Apr 11, 2011 11:46 pm

Not to mention my Police Light Box complete with blue beacon.... :roll:



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