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#1 malc_west

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Posted 16 May 2020 - 06:56 PM

My mini temps (on original gauge) sit higher since heater delete I understand this is usual but I'm not sure how high is too high. With spirited or motorway driving it sits clearly above the white line, normal driving it sits on the line and slow driving it sits under it. Should I be taking any action and if so what?
Cheers

#2 nicklouse

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Posted 16 May 2020 - 07:16 PM

the heater as well as being a great added cooling device also means you have more water to absorb the heat.

 

i would refit the heater. or fit the heater core in the engine bay.



#3 malc_west

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Posted 16 May 2020 - 07:47 PM

the heater as well as being a great added cooling device also means you have more water to absorb the heat.
Do you think its running too hot then nick?
i would refit the heater. or fit the heater core in the engine bay.



#4 malc_west

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Posted 16 May 2020 - 07:51 PM

Sorry that hasn't made sense, what I was trying too say is do you think my engine temps are too high then?

#5 Cooperman

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Posted 16 May 2020 - 08:05 PM

If you have removed the heater (why would you do this unless building a racing car?) it is quite likely that the engine is running hot.

For an accurate reading fit a capilliary-type gauge which reads accurately in degs. C.



#6 malc_west

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Posted 17 May 2020 - 04:35 PM

If you have removed the heater (why would you do this unless building a racing car?) it is quite likely that the engine is running hot.
For an accurate reading fit a capilliary-type gauge which reads accurately in degs. C.

And once I've done that what's the temps I should be aiming for mate

#7 sonscar

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Posted 17 May 2020 - 04:43 PM

Probably between 80 and 90 degrees c depending where you measure it.I think of the car gauges as indicators only and as long as they are where they usually are then OK.Steve..

#8 malc_west

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Posted 17 May 2020 - 04:45 PM

Cheers its no where near the red but il fit a proper temp in degrees and see what I'm dealing with

#9 ChrisRuffell

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Posted 17 May 2020 - 05:22 PM

In theory they can run fine without a heater matrix as when you run the heater on cold it’s technically bypassing the matrix... in practice though they seem to run hot when removed completely...
As was said above relocating the matrix as a 2nd little radiator under the engine bay is the best solution. They fit nicely near the starter motor if you remove the plastic air scoop director thing.
If you just want more room inside the car (I’ve never seen it done) but in theory I guess you could remove the heater system but keep the matrix under there somewhere against the firewall? It wouldn’t get any real air flow but would keep coolant capacity up... never tried it, might not work but just food for thought




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