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Not all spools are created equally #619392 02/21/10 12:31 AM 02/21/10 12:31 AM
Joined: Jan 2003 Posts: 3,528 Kauai, Hawaii 452RT OP master
452RT OP master Joined: Jan 2003 Posts: 3,528 Kauai, Hawaii	In my quest to keep my costs down I bought a nearly new (but used) 9" to replace my 9". My attempt was to sell my 9", 28 spline pinion that has 4.57 pro gears, Summer Brothers spool and buy another 9" with 4.11 pro gears, 35 spline pinion. Long story short..... The Summer Brothers Spool is splined from one end of the spool to the other side, where as the spool that came with my new center section is offset approx. 1 3/4". This makes my pass. side axle too short. My good deal just went out the door and now I have to buy axles. Just thought I would pass this tidbit so others don't make the same mistake. In the pic you can see the spool closest to camera is offset and the one in the background is not.

Re: Not all spools are created equally [Re: 452RT] #619393 02/21/10 01:00 AM 02/21/10 01:00 AM
Joined: Nov 2003 Posts: 6,293 Rock Springs Bob_Coomer master
Bob_Coomer master Joined: Nov 2003 Posts: 6,293 Rock Springs	Quote: In my quest to keep my costs down I bought a nearly new (but used) 9" to replace my 9". My attempt was to sell my 9", 28 spline pinion that has 4.57 pro gears, Summer Brothers spool and buy another 9" with 4.11 pro gears, 35 spline pinion. Long story short..... The Summer Brothers Spool is splined from one end of the spool to the other side, where as the spool that came with my new center section is offset approx. 1 3/4". This makes my pass. side axle too short. My good deal just went out the door and now I have to buy axles. Just thought I would pass this tidbit so others don't make the same mistake. In the pic you can see the spool closest to camera is offset and the one in the background is not. hmm what kind of spool is it? I see your point why didnt the spline the spool all the way out? [color:"red"]65 Hemi Belvedere coming soon [/color] [color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]

Re: Not all spools are created equally [Re: 452RT] #619394 02/21/10 02:55 AM 02/21/10 02:55 AM
Joined: May 2007 Posts: 174 Oklahoma H hemiiroc member
hemiiroc member H Joined: May 2007 Posts: 174 Oklahoma	Most of the 40 spline spools have the splines to the center also.

Re: Not all spools are created equally [Re: hemiiroc] #619395 02/21/10 03:56 AM 02/21/10 03:56 AM
Joined: Jun 2009 Posts: 438 Great Lakes Region A abodiesonly1 mopar
abodiesonly1 mopar A Joined: Jun 2009 Posts: 438 Great Lakes Region	Wouldnt another spool be cheaper than axles?

Re: Not all spools are created equally [Re: abodiesonly1] #619396 02/21/10 04:04 AM 02/21/10 04:04 AM
Joined: Jan 2003 Posts: 3,528 Kauai, Hawaii 452RT OP master
452RT OP master Joined: Jan 2003 Posts: 3,528 Kauai, Hawaii	Quote: Wouldnt another spool be cheaper than axles? I'm thinking about swapping the spools. Just thought this would be an easy swap, guess not.

Re: Not all spools are created equally [Re: 452RT] #619397 02/21/10 06:30 AM 02/21/10 06:30 AM
Joined: Jan 2003 Posts: 32,394 Q Quicktree I Win
Quicktree I Win Q Joined: Jan 2003 Posts: 32,394	Quote: Quote: Wouldnt another spool be cheaper than axles? I'm thinking about swapping the spools. Just thought this would be an easy swap, guess not. I would just swap them if possible.

Re: Not all spools are created equally [Re: Quicktree] #619398 02/21/10 10:22 AM 02/21/10 10:22 AM
Joined: Jan 2003 Posts: 16,930 NC 440Jim I Live Here
440Jim I Live Here Joined: Jan 2003 Posts: 16,930 NC	Bummer. The cost to pay a shop to resetup the gears on the spool kinda killed your cost savings. The spool isn't the expensive part, labor is. And you are going to do that to both gear sets, double... to be able to sell/use the other differential.

Re: Not all spools are created equally [Re: 440Jim] #619399 02/21/10 10:35 AM 02/21/10 10:35 AM
Joined: Jan 2003 Posts: 6,314 The Swamp MegaDart master
MegaDart master Joined: Jan 2003 Posts: 6,314 The Swamp	I went thru the exact same thing last season with my 40 spline stuff. Only Mark Williams cuts their spools all the way thru. Moser was half the price but had the same problem you are having, axle would not engage... would've been nice if I knew that before swapping the gears, bearing, etc and sealing up the 3rd member. Oh well, lesson learned. Keep in mind I have heard that with the smaller axles that some are not interchangeable due to different pitch cut

Re: Not all spools are created equally [Re: 440Jim] #619400 02/21/10 10:53 AM 02/21/10 10:53 AM
Joined: Jan 2004 Posts: 27,347 Today? Who Knows? 1_WILD_RT Management Trainee
1_WILD_RT Management Trainee Joined: Jan 2004 Posts: 27,347 Today? Who Knows?	Quote: Bummer. The cost to pay a shop to resetup the gears on the spool kinda killed your cost savings. The spool isn't the expensive part, labor is. And you are going to do that to both gear sets, double... to be able to sell/use the other differential. Pinion depth won't be touched... Swapping the spool is easy... Just gotta set backlash & bearing preload.. BTW FWIW if you were having to completely set up a 9" it is allot easier than most third members due to the pinion coming out the front & the depth is set with shims at that mating surface so your not taking bearings on & off repeatedly..

Re: Not all spools are created equally [Re: 1_WILD_RT] #619401 02/21/10 11:03 AM 02/21/10 11:03 AM
Joined: Jan 2003 Posts: 6,314 The Swamp MegaDart master
MegaDart master Joined: Jan 2003 Posts: 6,314 The Swamp	also, swapping the spool is pretty easy and most cost effective but an axle upgrade at this point may be a very good idea. I won't run anything less then 35 spline but prefer 40

Re: Not all spools are created equally [Re: 440Jim] #619402 02/21/10 05:35 PM 02/21/10 05:35 PM
Joined: Dec 2004 Posts: 10,556 Rittman Ohio fourgearsavoy I Live Here
fourgearsavoy I Live Here Joined: Dec 2004 Posts: 10,556 Rittman Ohio	Quote: Bummer. The cost to pay a shop to resetup the gears on the spool kinda killed your cost savings. The spool isn't the expensive part, labor is. And you are going to do that to both gear sets, double... to be able to sell/use the other differential. Doing the swap is easy and fast on a 9" Shouldn't take more than an hour even with a beer break Gus 64 Plymouth Savoy 493 Indy EZ's by Nick at Compu-Flow 5-Speed Richmond faceplate Liberty box Dana 60

Re: Not all spools are created equally [Re: fourgearsavoy] #619403 02/21/10 06:00 PM 02/21/10 06:00 PM
Joined: Jan 2003 Posts: 19,382 Las Vegas Al_Alguire I Live Here
Al_Alguire I Live Here Joined: Jan 2003 Posts: 19,382 Las Vegas	Spool swap is the easiest way to rectify this issue. "I am not ashamed to confess I am ignorant of what I do not know." "It's never wrong to do the right thing"

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