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Flex Fan Spacers, Can You Stack Them #246016 03/07/09 05:48 PM 03/07/09 05:48 PM
Joined: Aug 2004 Posts: 3,333 MARYLAND 69Cuda340S OP master
69Cuda340S OP master Joined: Aug 2004 Posts: 3,333 MARYLAND	Running a flex fan with a 2" spacer. Fan is sitting just outside the shroud so I need another 1" to get it inside the shroud. I don't see a longer spacer out there. Can the spacers be stacked?

Re: Flex Fan Spacers, Can You Stack Them [Re: 69Cuda340S] #246017 03/07/09 05:51 PM 03/07/09 05:51 PM
Joined: Jan 2003 Posts: 4,616 Kissimmee Fl. D dusturbd340W5 master
dusturbd340W5 master D Joined: Jan 2003 Posts: 4,616 Kissimmee Fl.	I have in the past 70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4

Re: Flex Fan Spacers, Can You Stack Them [Re: 69Cuda340S] #246018 03/07/09 06:02 PM 03/07/09 06:02 PM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	You should see if you can get some other type of fan, those flex fans are notorious for coming apart at rpm

Re: Flex Fan Spacers, Can You Stack Them [Re: MR_P_BODY] #246019 03/07/09 06:22 PM 03/07/09 06:22 PM
Joined: Jan 2003 Posts: 25,200 Upper Midwest M MoparforLife Too Many Posts
MoparforLife Too Many Posts M Joined: Jan 2003 Posts: 25,200 Upper Midwest	Quote: You should see if you can get some other type of fan, those flex fans are notorious for coming apart at rpm And aren't noted to be the best cooling fans out there either.

Re: Flex Fan Spacers, Can You Stack Them [Re: MR_P_BODY] #246020 03/07/09 06:36 PM 03/07/09 06:36 PM
Joined: Nov 2004 Posts: 2,119 sc T tjmarcus1 top fuel
tjmarcus1 top fuel T Joined: Nov 2004 Posts: 2,119 sc	Quote: You should see if you can get some other type of fan, those flex fans are notorious for coming apart at rpm i agree with the above, but yes, you can stack them. if it wobbles, or it not running true, then the answer is no.

Re: Flex Fan Spacers, Can You Stack Them [Re: 69Cuda340S] #246021 03/07/09 07:13 PM 03/07/09 07:13 PM
Joined: Feb 2007 Posts: 5,080 organ M maximum entropy master
maximum entropy master M Joined: Feb 2007 Posts: 5,080 organ	"they " say you can stack to three inches- no more. as far as flex fans coming apart, any fan can. good fans are all rpm rated. mine is rated to 10000 rpm! for what is the good life if not doing things thoughtfully?

Re: Flex Fan Spacers, Can You Stack Them [Re: maximum entropy] #246022 03/07/09 07:39 PM 03/07/09 07:39 PM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	as far as flex fans coming apart, any fan can. good fans are all rpm rated. mine is rated to 10000 rpm! This is true, but I have seen(personally) 2 come apart at a relatively low rpm... mine spit a blade at 6000 and a friends went at about 5600... If you dont want to change it I have no problems BUT dont have you head over it when you rev it up.

Re: Flex Fan Spacers, Can You Stack Them [Re: maximum entropy] #246023 03/07/09 07:41 PM 03/07/09 07:41 PM
Joined: Aug 2004 Posts: 3,333 MARYLAND 69Cuda340S OP master
69Cuda340S OP master Joined: Aug 2004 Posts: 3,333 MARYLAND	This is the one I am running. Just bought it: http://store.summitracing.com/partdetail...mp;autoview=sku

Re: Flex Fan Spacers, Can You Stack Them [Re: 69Cuda340S] #246024 03/07/09 07:57 PM 03/07/09 07:57 PM
Joined: Aug 2004 Posts: 3,333 MARYLAND 69Cuda340S OP master
69Cuda340S OP master Joined: Aug 2004 Posts: 3,333 MARYLAND	I was running the MP viscous fan kit but am trying this new one out to see if it cools better.

Re: Flex Fan Spacers, Can You Stack Them [Re: 69Cuda340S] #246025 03/07/09 11:32 PM 03/07/09 11:32 PM
Joined: Mar 2003 Posts: 9,099 Rogue River, OR Jeremiah master
Jeremiah master Joined: Mar 2003 Posts: 9,099 Rogue River, OR	I have personally seen three flex fans come apart. One on a 6000+ RPM blast and the other two were on tow vehicles...

Re: Flex Fan Spacers, Can You Stack Them [Re: 69Cuda340S] #246026 03/07/09 11:43 PM 03/07/09 11:43 PM
Joined: Nov 2006 Posts: 1,456 oklahoma F forphorty pro stock
forphorty pro stock F Joined: Nov 2006 Posts: 1,456 oklahoma	http://www2.worksafebc.com/i/posters/2002/wsflexfans.htm

Re: Flex Fan Spacers, Can You Stack Them [Re: forphorty] #246027 03/08/09 12:54 AM 03/08/09 12:54 AM
Joined: Mar 2003 Posts: 9,099 Rogue River, OR Jeremiah master
Jeremiah master Joined: Mar 2003 Posts: 9,099 Rogue River, OR	fixed da link... http://www2.worksafebc.com/i/posters/2002/wsflexfans.htm

Re: Flex Fan Spacers, Can You Stack Them [Re: Jeremiah] #246028 03/08/09 01:05 AM 03/08/09 01:05 AM
Joined: Oct 2004 Posts: 3,097 back in Georgia dthemi master
dthemi master Joined: Oct 2004 Posts: 3,097 back in Georgia	Man, of all the things to be killed by. I had one come apart on a SBC when I was maybe 18. It failed on the freeway, and it sounded like a hammer hitting a garbage can, bent or wobbled the pulley and threw the belt. Last one I owned, but man do they move some air.

Re: Flex Fan Spacers, Can You Stack Them [Re: dthemi] #246029 03/08/09 11:08 AM 03/08/09 11:08 AM
Joined: Jan 2003 Posts: 21,065 Niles , Ohio T therocks oh wait.but hey.lets see.oh yeah.
therocks oh wait.but hey.lets see.oh yeah. T Joined: Jan 2003 Posts: 21,065 Niles , Ohio	Running flex fans for over 30 years.Never had any problems.I did have 2 factory fans break.My stainless is rated to 12K and been on for at least 15 years.My 440 runs at 180 allday even with a never touched 65 radiator.Ive seen more people have problems with clutch fans than any other type.One flex I ran on my jeep ran probally 70K and a lot of that was plowing snow and off road.Rocky Chrysler Firepower

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