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Originally Posted by leestewart
I was wondering what size electric fans are suffecient enough for a NA Z?
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The thing to do is to measure the radiator and get an over all size of the core. Most importantly check how much room you have between the radiator and water pump or what ever may be in the way. You want to have as much fan as you can fitting the entire radiator with as much cfm as possible. There are all kinds of ways to do this. I would probably recommend, without seeing it, either a single 12-14" diameter fan with the most cfm you can. You will probably not find over 2200. I dont think two little fans put together will do much. Just too small. If there is room on the pusher side this may be an option too, but puller is the way you really want it because of the air flow and where the radiator is anyway. Is the radiator aluminum or brass? Does this car over heat? If not, leave it alone