50desotocoupe Posted May 16, 2014 Report Posted May 16, 2014 Has anyone ever used a 6 blade cooling fan from a like year dodge truck? I bought one that is a direct bolt on for my Desoto but was wondering if it is worth removing the radiator to install it. Quote
Plymouthy Adams Posted May 16, 2014 Report Posted May 16, 2014 (edited) they stock on 53 and up cars if memory serves me correct...I know my 54 utilizes a 6 blade fan Edited May 16, 2014 by Plymouthy Adams Quote
P15-D24 Posted May 16, 2014 Report Posted May 16, 2014 Shouldn't need to remove the radiator to install. Quote
plyroadking Posted May 16, 2014 Report Posted May 16, 2014 I have one on a car, it works real good, especially when i used to sit in San Francisco traffic. my only complaint is the amount of noise it makes. Its not extremely loud but you sure notice it at the higher rpms. Quote
50desotocoupe Posted May 16, 2014 Author Report Posted May 16, 2014 This is great insight. Thank you! I will have to look again when/if my car ever gets out of the interior shop to see. I seem to recall that the space between the rad and the fan was pretty tight and I am not sure I can get the bolts out with that small amount of space. Quote
janan5243 Posted June 14, 2014 Report Posted June 14, 2014 also had a getting a little too hot problem. Am curious about a 6 blade fan also. My problem happened when the temp was in the mid 80's & above. Back flushed engine & radiator, put new thermostat in(old one worked fine but was original), then realized that the fan belt was a little loose. Temps are low here now, so won't know if it stopped till gets hotter. What year truck fan will fit Desoto. I have a 49 coupe. Quote
Plymouthy Adams Posted June 14, 2014 Report Posted June 14, 2014 I am thinking and by looking at my 58 the very water pump for the flathead 6 utilized the same bolt pattern and large hub till the end of production for at least civilian application Quote
Don Coatney Posted June 14, 2014 Report Posted June 14, 2014 Don't forget to take into consideration the pitch of the blades as this will effect the distance from the radiator Quote
desoto1939 Posted June 14, 2014 Report Posted June 14, 2014 They made a fanblade tool that was tack welded onto a flat bar. The flat bar was long enough to extend past the fan blade. They used a 1/2 inch socket that was cut down in depth. I have the same tool and the tool fits in between the back of the rad and then you can slip the socket onto the bolts that holds the fan blade onto the pump. I uput some tape in the end of the socket to hold the bolt when it has been removed. So loosen the generator and get slack in the fab belt. reach in with the tool and get a hold of one of the bolts then the fan blade is free to turn by hand and you can then get the bolt to unthread it self from the water pump end. Just do the opposite to install. If you would like to see a picture of the tool write to me and I will send you a copy..There are a couple on the bay right now. Rich Hartung Desoto1939@aol Quote
deathbound Posted June 15, 2014 Report Posted June 15, 2014 I installed a 6 blade fan on my '38 Plymouth. Can't say how much cooler it runs than with the 4 blade fan previously, since I also installed my rebuilt water pump & new distribution tube at the same time. I did have to use 3/8" spacers & longer bolts to clear the generator (either because of a different offset of the blades/hub or different pitch). The spacers moved the blades closer to the radiator, but still enough clearance to not have to remove the radiator to install the fan. I did use a special fan blade wrench, similar to this: http://www.ebay.com/itm/Vintage-Snap-On-S9470B-1-2-12pt-Fan-Wrench-FREE-SHIPPING-/301212661450?hash=item4621ac76ca&item=301212661450&pt=Motors_Automotive_Tools&vxp=mtr 1 Quote
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