Technical & General Discussion Area > Tech Torque 1974 to 1978

thermo fan

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Ruggie:
I would like to put a thermo fan on and would like to know if this one would be enough for a mild 289?

http://www.ebay.com.au/itm/SPAL-16-INCH-ELECTRIC-THERMATIC-FAN-UNIVERSAL-CURVED-BLADE-2024CFM-AIRFLOW-/121819717763?hash=item1c5d056083:g:xvYAAOSweuxWTsvh

thanks

USA066:
Ruggie,
I don't know what your application is, but this is only a puller fan. Are you planning to replace the stock fan, or are you installing in front of the radiator in which case, you need a pusher fan. Is this for a stock 16" radiator? I would call PWR, they do a SPAL fan, 3000cfm which is much better. A pusher fan will certainly help with cooling but it all depends on what your setup is, including if you have PS or AC. Do your research before spending the $$$'s. Also, check the dimensions to ensure it will fit.
I have been through this pain, so I can speak first hand.

BAC:
No mention of the Watt rating of the fan motor anywhere.  Too low a rating and it won't move enough air under load and too high and you will need a high capacity alternator and battery to support it.

Some on here will tell you that thermo fans are not much benefit on old Mustangs.  The argument goes that if you have a well sorted cooling system, a mechanical fan with a shroud should be sufficient and if you don't have a good cooling system, you should be addressing that rather than band-aiding it with a thermo fan.

One last observation: yet another example of Aussies getting hosed on car parts pricing. The same fan is available to US customers on Amazon for under $120 USD.  :ouch:

Ruggie:
Thanks guys
Im looking for a puller to replace the stock one.
I have a alloy rad and will have a/c soon.
I dont have any issues with cooling, plan on using the car more and want to make it more efficient.

barnett468:
ok, here are the exact specs for that fan in both the puller and the pusher version. . if you did not have heating problems with your previous fan, you "should" not have them with this one.

A = PULLER
S = PUSHER

https://webstore.spalusa.com/content/files/content/PDF/30102113_SPEC.pdf


here are the specs for a better fan but this one should not be run on high all the time and actually, none of then should  you really sohuld use a fan controller with n electric fan . i use one from DCC controls.

https://webstore.spalusa.com/content/files/content/PDF/30102803_SPEC.pdf


you need to compare the air flow at around 5 mm h20 because the cfm at 0 [no load] is totally meaningless.

.

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