MG Sports Cars

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

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pspeaks
Paul Speaks
Dallas, Texas
(698 posts)

Registered:
07/20/2009 06:40PM

Main British Car:
1972 MGB-GT 1979 Ford 302

authors avatar
Radiator Obsession
Posted by: pspeaks
Date: September 04, 2010 01:16PM

I know you guys think I’m obsessed with radiators but I think I have another valid question, well, valid for me anyway. I.ve always built cars with the fan on the back of the radiator, but noted that a lot of you mount the fan on the front and move the radiator back a few inches. This should allow the radiator to be mounted a little higher there for providing more ground clearance. Will the fan in the front method cool as well; Pro’s/Con’s?


danmas
Dan Masters
Alcoa, Tennessee
(578 posts)

Registered:
10/28/2007 12:11AM

Main British Car:
1974 MGBGT Ford 302

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Re: Radiator Obsession
Posted by: danmas
Date: September 04, 2010 01:36PM

The consensus among the experts is that a front mounted fan is about 10 - 20% less effective than a rear mounted fan. If 80% effective meets 100% of requirements, then no problem. If the cooling is marginal, then a rear mounted fan may be required.


ex-tyke
Graham Creswick
Chatham, Ontario, Canada
(1165 posts)

Registered:
10/25/2007 11:17AM

Main British Car:
1976 MGB Ford 302

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Re: Radiator Obsession
Posted by: ex-tyke
Date: September 04, 2010 01:48PM

Ditto - if you're going to move the rad, then move it forward and instal a puller (either electric or a WP mounted mechanical fan). Remember, it's more important to get good airflow than getting a bigger rad to fix cooling system shortcomings.
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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: Radiator Obsession
Posted by: pspeaks
Date: September 04, 2010 05:47PM

Thanks Dan and Graham, as I live in Texas a puller might be the best choice and with the AC on I might be pushing it. I think I'll follow your advise and leave it where it is.


"P"


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