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harry goebel · 07-25-2010, 11:35 AM

I run a 2700 Cfm fan on my 53. If you have A/C the minimum that is recommended is 2000 cfm. I only use the fan with the a/c on if I get stuck in traffic and keeps the temp around 170. Normal running with a/c on is 160. I gave up on fan relays, now use a 50 amp toggle switch. The car is 12 volt and I use a 100 amp alt

07-25-2010, 11:35 AM	#13
harry goebel Member Join Date: May 2010 Location: Miami, Fl Posts: 74	Re: electric fan 40 ford what cfm I run a 2700 Cfm fan on my 53. If you have A/C the minimum that is recommended is 2000 cfm. I only use the fan with the a/c on if I get stuck in traffic and keeps the temp around 170. Normal running with a/c on is 160. I gave up on fan relays, now use a 50 amp toggle switch. The car is 12 volt and I use a 100 amp alt