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What is the best electric fan I can buy for '90 F150 w/ 351, E4OD? I'd like one that has real mounts, not those crappy tie on things. Are dual fans better than a single? What kind of CFM flow should I be looking for?
i did alot of looking before i ordered mine. there is a new model out for our trucks by flex-a-lite called the #295. it is a dual fan and has the relay for A/C. i have a 1988 f250 4x4 excab with the 351w/c-6 tranny. i haul a horse trailer so wanted one that would be heavy duty enough. it is not cheap (about $400 US) but for me it was worth it. i have a fried clutch fan, a bent fan and a broken shroud so it wasn't that much more than replacing all that stuff. i figured if i get even 1 mpg more it will pay for itself in 2 years. that plus the added benefits of a few extra hp and mainly being much quieter sold me on it. should be here next week so i'll post how it goes then.
yes i believe it has proper mounting brackets so you do not have to stick the ties thru the rad. if you have A/C you want the A/C- relay so it comes on when you turn a/c on. from what i understand there are several ways you can wire these things up. i plan to wire the 2nd fan to come on 5-10 degrees after the 1st one kicks in or when the a/c is on. did you check out the #295 on the website? they also answered all my questions via email. This model was designed with our trucks in mind so it should fit and work well.
I did check out the website, but I didn't email them. I'm going to try a Hayden HD thermal fan clutch, and if that doesn't keep temps down while idling with the A/C on this summer, I'm definitely getting the #295 electric fan.
$400! Yikes. I just purchased a used Mustang GT electric fan for $40 and a Hayden wiring kit for $40 also. I like $80 a lot better than $400. Mine is also a fully adjustable temp with AC wire too.
I have the flex alite modle 260 i beleive it is. They have the ac/relay and the adjustable temp control. It came with brackets to solidly mounts it at the top and uses 3 ties at the bottom. In almost two years i never had aproblem with the mounting. Flex alite's service is great. Around Xmas the temp control box burned up and died. I wrote them and complained and they sent me one for free. The reason it died was that i mounted it in the wrong place. The top rad hose reasted on it and the heat is what did it in.