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18.5" 7 blade fan queston, #3263441
10/11/24 12:59 PM
10/11/24 12:59 PM
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Moparnut426 Offline OP
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Might be a simple yes or no deal here, but Ive got a VERY decent 2863216 18.5" fan assembly that came off of a fairly low miles 383 in a 68 C body i was told. So Its got 3 blades with a very slight bend in the corner, like when a guy pulled it out ?carelessly. Not a kink, or a wrinkle, jest a slight bend. I dont trust much for OER reman stuff as Im pretty sure its all offshore junk. The clutch feels excellent, and the blade just needs slight fixing, and painted.

Would you trust an slightly tweaked OE fan blade over a Offshore reman fan blade and clutch assy?

My gut is telling me to just clean it and run it, but I also just bought a Glen Ray radiator, and I would literally start to cry if I stuffed a 18.5" fan into a work of art radiator! LOL

Kasey

Re: 18.5" 7 blade fan queston, [Re: Moparnut426] #3263643
10/12/24 01:09 PM
10/12/24 01:09 PM
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moparx Offline
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i'm pretty gun shy about straightening fan blades, although i have done so many times in the distant past.
the reason being, i saw a couple come apart after being straightened, although none were ones i had straightened, and i don't know the back story on the ones that were straightened, then came apart.
they do tend to cause quite a bit of damage when exiting the fan hub, and i am glad in the cases i have seen the aftermath caused, no one was in their path !
now with that said, i would need to examine the fan very closely before i could offer an opinion either way.
afterward, it would still be my opinion, right or wrong.
others may, or may not agree with me, considering their experiences.
i wished i could be of more help, but it would cause one to cry if something happened to a new glen-ray radiator, regardless of the cause.........
beer

Re: 18.5" 7 blade fan queston, [Re: moparx] #3263650
10/12/24 01:28 PM
10/12/24 01:28 PM
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topside Offline
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^^^ Yup - gotta check the rivets - they must be absolutely secure.
Blades that aren't badly bent can be carefully straightened, depending on where & how bad the bend is.
Years ago, I saw a photo of a metal fan blade having pierced right through a metal hood.

Re: 18.5" 7 blade fan queston, [Re: topside] #3263653
10/12/24 01:48 PM
10/12/24 01:48 PM
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CrazyD Offline
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If you ask the question, you have doubts about the fan. Why risk a $1500 radiator. IMHO, get a better 216.

Re: 18.5" 7 blade fan queston, [Re: CrazyD] #3263657
10/12/24 02:11 PM
10/12/24 02:11 PM
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If it's just tweaked on ends. Straighten them.

I had a fan that came with a old MP Viscous fan kits. The dumb Chinese radiator inlet neck interfered with the fan (location later corrected). So we put a 3/4" tap on each blade and cut the blades with a sawzal (carefully). It's been that way for 10K miles, same waterpump, and I cruise at 3500-4000 rpm.

It's a low drag fan now for sure. Not overheating issues.

[Linked Image]

[Linked Image]

Last edited by autoxcuda; 10/12/24 02:12 PM.

Fall Fling 28 October 19, 2024 at Woodley Park, Van Nuys CA
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Re: 18.5" 7 blade fan queston, [Re: autoxcuda] #3263714
10/12/24 07:35 PM
10/12/24 07:35 PM
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Abilene, Texas
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fastmark Offline
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If the blades are tight and secure, I would just straighten the ends with a hammer and dolly. Should not be a big deal. .

Re: 18.5" 7 blade fan queston, [Re: moparx] #3264530
10/16/24 01:43 PM
10/16/24 01:43 PM
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Moparnut426 Offline OP
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Originally Posted by moparx
i'm pretty gun shy about straightening fan blades, although i have done so many times in the distant past.
the reason being, i saw a couple come apart after being straightened, although none were ones i had straightened, and i don't know the back story on the ones that were straightened, then came apart.
they do tend to cause quite a bit of damage when exiting the fan hub, and i am glad in the cases i have seen the aftermath caused, no one was in their path !
now with that said, i would need to examine the fan very closely before i could offer an opinion either way.
afterward, it would still be my opinion, right or wrong.
others may, or may not agree with me, considering their experiences.
i wished i could be of more help, but it would cause one to cry if something happened to a new glen-ray radiator, regardless of the cause.........
beer


Just to be clear here, im talking about the very leading tip of a blade being just ever so slightly rolled, if I wouldnt have cleaned it off with my hotsie I wouldnt have even seen it. Its literally 3 blades that have 3/16 to maybe 1/4" section slightly not straight. no loose rivets, no paint cracking, nothing even up in the frame work of the fan into any rivets or anything. I guess my biggest question here is that Is a slightly bent tip on a nice fan make it worse than a chinese knock off that is probably made with far inferior materials?

Im thinking Ill be just fine running the fan with a nice restored fan clutch hub assy.

thanks guys

Re: 18.5" 7 blade fan queston, [Re: Moparnut426] #3264730
10/17/24 12:20 PM
10/17/24 12:20 PM
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north of coder
moparx Offline
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any pictures of the tips ?
beer

Re: 18.5" 7 blade fan queston, [Re: moparx] #3265545
10/21/24 12:25 PM
10/21/24 12:25 PM
Joined: Mar 2007
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Finally a HUSKER again
Moparnut426 Offline OP
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Ill snap a few tonight after pool league. Im getting ready to blast it and shoot it.

Re: 18.5" 7 blade fan queston, [Re: moparx] #3265982
10/23/24 09:51 AM
10/23/24 09:51 AM
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Posts: 12,039
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Moparnut426 Offline OP
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Originally Posted by moparx
any pictures of the tips ?
beer


heres the pix, note, ive already fixed them.

Fan 1.jpgfan 2.jpgfan 3.jpg
Last edited by Moparnut426; 10/23/24 09:51 AM.
Re: 18.5" 7 blade fan queston, [Re: Moparnut426] #3266002
10/23/24 11:22 AM
10/23/24 11:22 AM
Joined: Sep 2003
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north of coder
moparx Offline
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should be ok. just keep an eye on it.
beer







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