Excuse my ignorance but !
Regardless of the potential HP of your engine, at a steady state on the freeway you only need X (say 40) HP.
So unless you are constantly using all of the available HP a standard radiator should be OK
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| Which radiators? https://www.ausmini.com/forums/viewtopic.php?f=2&t=88868 |
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| Author: | mattywood [ Sat Mar 14, 2015 8:00 am ] |
| Post subject: | Which radiators? |
I hope these are simple questions about radiators. I need to ID my radiator. I have a deluxe with an 1100 fitted. Are the rads used the same and if not how do I determine a difference? I'm looking to go with GRs small bore project and need to know if the radiator handle 100hp or should I upgrade? |
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| Author: | Mick [ Sat Mar 14, 2015 1:54 pm ] |
| Post subject: | Re: Which radiators? |
I can't speak on the kind of radiator you will want for 100HP or greater, but it will want to be tip-top. The radiators for the Deluxe and Mini K 1100 was the same through to Clubman. Also identical for the 1275 Cooper S. There was plenty of capacity in them when kept clean and in good shape. |
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| Author: | mattywood [ Sat Mar 14, 2015 2:52 pm ] |
| Post subject: | Re: Which radiators? |
Is it worth pressure testing and cleaning or just get an aluminium ebay special? |
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| Author: | Diesel27 [ Sat Mar 14, 2015 3:42 pm ] |
| Post subject: | Re: Which radiators? |
Copper is a better conductor. |
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| Author: | mattywood [ Sat Mar 14, 2015 4:22 pm ] |
| Post subject: | Re: Which radiators? |
So the originals have a copper core? |
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| Author: | Diesel27 [ Sat Mar 14, 2015 4:31 pm ] |
| Post subject: | Re: Which radiators? |
you bet. |
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| Author: | Mick [ Sat Mar 14, 2015 4:47 pm ] |
| Post subject: | Re: Which radiators? |
If its a special engine, then it would have to be a pretty special radiator. Might be worth spending a little extra on the radiator. I like my copper radiator, it suits my use and will work for a warm 1275 on 40+ days just fine. There's nothing wrong with a new alloy radiator either, with the option of putting a thermofan switch on as part of the deal. You can get deeper four core rads for a little more capacity as well. The eBay alloy rads are pretty good by all accounts, but there are some good Oz made radiators as well. |
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| Author: | drmini in aust [ Sat Mar 14, 2015 7:11 pm ] |
| Post subject: | Re: Which radiators? |
I have around 125 HP at the crank, am running a recond Mini K/Cooper S rad with a Minimatic freshair heater (these have no water tap and act as an aux rad). It never gets hot even in 42C heat. If you are concerned, add a Clubby heater core as an aux rad, behind the grille, near the dizzy. |
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| Author: | Phil 850 [ Sat Mar 14, 2015 7:38 pm ] |
| Post subject: | Re: Which radiators? |
Excuse my ignorance but ! Regardless of the potential HP of your engine, at a steady state on the freeway you only need X (say 40) HP. So unless you are constantly using all of the available HP a standard radiator should be OK
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| Author: | mattywood [ Sat Mar 14, 2015 9:19 pm ] |
| Post subject: | Re: Which radiators? |
Pressure test and flush it is. It also needs a Respray. Can you use any high temperature spray paint? |
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| Author: | drmini in aust [ Sat Mar 14, 2015 9:49 pm ] |
| Post subject: | Re: Which radiators? |
Yes. Don't make it too thick... just a mist on the core. |
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| Author: | mattywood [ Sat Mar 14, 2015 10:00 pm ] |
| Post subject: | Re: Which radiators? |
Will do |
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