new fan and shroud

[fieldsken1]

well i finally got time to fix the overheating. first i replaced a 18 inch flex fan with a 15 inch flex fan and a shroud and i put a smaller trans cooler in front and i put a 14 inch pusher fan. well so far i let it idle for about an hour and it got to 200 then stayed there and started cooling down. i hope it works. also it was about 80 outside. i guess time will tell

 

[fieldsken1]

heres a few more

 

[dargreg]

Nice job .should cool ok .The pics look deceiving but how close is that flex fan,being 15 in shoudn,t flex out to much but I like at least an inch.Ive had problems with those spacers coming loose try and keep an eye on it.

 

[camcruiser13]

looks purdy

 

[fieldsken1]

Nice job .should cool ok .The pics look deceiving but how close is that flex fan,being 15 in shoudn,t flex out to much but I like at least an inch.Ive had problems with those spacers coming loose try and keep an eye on it.

i dont know did not measure it but looks about 1.5 inches

 

[texfj40]

Great looking fan shroud...where did you get it? What model number. My radiator looks like yours.......great job all around!

 

[CruisinMT]

your rig is waaay too clean! Looks great though.

 

[fieldsken1]

your rig is waaay too clean! Looks great though.

yes it is. but believe it or not i have gone and climb some hills in it just to test the lockers and make sure everything works

 

[FJFOOL]

Not a big fan(pun intended!) of flex fans, have had better luck with solid blades, but like you said, time will tell. Nice clean install !!

 

[crushr]

I agree w/ FJFool. Flex fans are designed for highway travel and don't work well for offroad driving where your RPM is high, but your vehicle speed is very low (i.e. any time you are in low range.) I traded my flexfan out for a 7 blade fixed fan w/ fan clutch years ago and have had virtually no overheating probs with my V8 since.

 

[fieldsken1]

Great looking fan shroud...where did you get it? What model number. My radiator looks like yours.......great job all around!

it is made by northern fans and radiators and they have differant sizes just measure what you need. i have never heard of them just google them. i will try to find link. http://www.vichubbard.com/auto-part-detail/northern-radiator-z40020.html heres a link to one but they do make differant sizes. this one fit perfect. all i needed to do was cut the hole where i wanted it. they are hard to find the web site..http://vichubbard.com/auto-part-detail/northern-radiator-z40020.html

 

[fieldsken1]

I agree w/ FJFool. Flex fans are designed for highway travel and don't work well for offroad driving where your RPM is high, but your vehicle speed is very low (i.e. any time you are in low range.) I traded my flexfan out for a 7 blade fixed fan w/ fan clutch years ago and have had virtually no overheating probs with my V8 since.

they dont work at high rpms thats when they flatten out so no drag therefore no cooling. they do work better at lower rpms and high till they flatten out. how high are you rpms when wheelin i dont think its 7or 8ooo rpms. yes a rigid is better especialty at higher rpms. the pitch on a rigid or flex is the same so no differance. the only thing was i took away buy replacing a 18 inch with a 15 inch but the shroud should make up the differance i had no shroud on the 18 inch

 

[FF LC FREAK]

Looks good!

It was nice meeting you and your wife the other day. Let me know when you want to go wheeling. We'll get that thing dirty yet!

 

[fieldsken1]

Looks good!

It was nice meeting you and your wife the other day. Let me know when you want to go wheeling. We'll get that thing dirty yet!

yes it was nice to meet you. i am going back to work on tuesday wont be back for about 5 weeks maybe then. but soon anyway. cant wait to go do some trails for now.

 

[Downey]

Looks good, and if it works good I wouldn't change anything. I note that about 50% of the fan blade is inside the shroud. Test have proven that you get better cooling when less of the fan blade is actually inside the shroud. If you installed a shorter spacer, you could (1) run slightly cooler, and (2) have better clearance between fan blade and radiator. Just my 2 cents!!!

 

[fieldsken1]

Looks good, and if it works good I wouldn't change anything. I note that about 50% of the fan blade is inside the shroud. Test have proven that you get better cooling when less of the fan blade is actually inside the shroud. If you installed a shorter spacer, you could (1) run slightly cooler, and (2) have better clearance between fan blade and radiator. Just my 2 cents!!!

well thanks anything is worth a try if this does not work sorry to hear about you guys

 

[crushr]

they dont work at high rpms thats when they flatten out so no drag therefore no cooling. they do work better at lower rpms and high till they flatten out. how high are you rpms when wheelin i dont think its 7or 8ooo rpms. yes a rigid is better especialty at higher rpms. the pitch on a rigid or flex is the same so no differance. the only thing was i took away buy replacing a 18 inch with a 15 inch but the shroud should make up the differance i had no shroud on the 18 inch

Flex fans are designed to flatten out at highway speeds for an average car - that means 2000-2500 engine rpm. When wheeling in low range I quite frequently see and exceed that rpm range. A flex fan that flattens out at 7000-8000 engine rpm would serve no purpose for anyone other than race drivers.

 

[fieldsken1]

Flex fans are designed to flatten out at highway speeds for an average car - that means 2000-2500 engine rpm. When wheeling in low range I quite frequently see and exceed that rpm range. A flex fan that flattens out at 7000-8000 engine rpm would serve no purpose for anyone other than race drivers.

this fan is made for a race application

 

[crushr]

this fan is made for a race application

Sure looks like a run-of-the-mill Flex-a-lite fan to me. If indeed it doesn't flatten out until 7-8k rpm, then you in essence have a fixed blade fan for all normal and off road driving. Most folks would be better off to install a fan clutch plus fixed fan for noise reduction and reduced parasitic drag.

 

[fieldsken1]

Sure looks like a run-of-the-mill Flex-a-lite fan to me. If indeed it doesn't flatten out until 7-8k rpm, then you in essence have a fixed blade fan for all normal and off road driving. Most folks would be better off to install a fan clutch plus fixed fan for noise reduction and reduced parasitic drag.

as far as a clutch fan goes i am limited on space. i only have 4 inches between pump and radiator. if i move it any further out it hits the lights and thats no good