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Old February 15th, 2010, 03:45 PM   #1
LuckyCharm4x4
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Arrow Ford 9" Info

Someone school me on 9" rear ends. What is Banjo sytle and non-banjo? What differences happened throughout the years? What are more desirable axles/features to look for, what should I stay away from? I will keep searching, but I seem not to be too good at it on this site.

~Bry
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Old February 15th, 2010, 03:49 PM   #2
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Maybe if you tell us what you want it for (width, bolt pattern, brakes) it will be easier to direct you to the best one
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Old February 15th, 2010, 04:16 PM   #3
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Aftermarket housings should be the only choice.
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Old February 15th, 2010, 04:27 PM   #4
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I am looking to build a 609 for my CJ. Brakes I don't really care, I can swap them if I want something different. I was kinda just looking for some general info on the axles themselves. For the bolt pattern, it would be nice to have 5x5.5 to match the front, but I will be swapping the front also, so I'd be open to ideas there.
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Old February 16th, 2010, 10:59 PM   #5
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do you need a special center-section for a 609? or will a regular 9" CS work? Also, the same question for the housing

~Bry
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Old February 16th, 2010, 11:11 PM   #6
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-aftermarket housings are more than worth the money
-3.25" bearing nodular 3rd member
take your pick for the rest.

keep in mind most dana 60 front knuckles are made for a larger diameter tube than the ford 9" is so you need to pay attention to what will be going on in that area.
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Old February 17th, 2010, 10:02 AM   #7
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I noticed that you love aftermarket housings. What is wrong with stock housings? Especially if trussed? I am thinking that Banjo Style would be better for a front axle and a Non-Banjo for the rear, sound about right?

The Nodular 3rd member has the N on it correct?

Do I use Ford big bearing ends? or do I use Dana 60 stuff?

Also I noticed that there is a 40 spline shaft, overkill or worth it?

~Bry
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Old February 17th, 2010, 10:12 AM   #8
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You can get a spool for 35 spline shafts that fit a stock case but unless it is a N case or similiar it will break. Best way to go is aftermarket 3.25" bearing case.

You will want big bearing ends for your rear end, question is what kind of brake setup you want to use?

Overkill for the 40 spline unless in comps with aftermarket housing, plus spool is your only option for the 40's
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Old February 17th, 2010, 11:22 AM   #9
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I do plan on a spool. Do you think that a 35spline 9" would be strong enough for up to 40's? I am unsure on brakes, probably discs. Thanks for all the help and input guys, keep it rollin in!

~Bry
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Old February 17th, 2010, 11:29 AM   #10
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If you use the late model big bearing also know as the torino it is the same pattern as the 8.8 explorer disc setup.

Yes on the 40's
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Old February 17th, 2010, 12:10 PM   #11
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Quote:
Originally Posted by LuckyCharm4x4 View Post
I noticed that you love aftermarket housings. What is wrong with stock housings? Especially if trussed? I am thinking that Banjo Style would be better for a front axle and a Non-Banjo for the rear, sound about right?
Stock housings are sheet metal and dont stand a chance at living a long life unless they are heavily trussed. Trussing the axle is a bitch and not something I look forward to doing again. An aftermarket housing will cost you $500 with bearing ends, that is the best $500 you'll ever spend on the project.

Unless your budget is virtually non existant or you get the HD truck style housings for free, the aftermarket housings are the best choice. Stay away from the banjo style housings, get the ones with the tapered sides if you do insist on getting factory housings, they are the strongest of the bunch.
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Old February 24th, 2010, 12:20 PM   #12
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Quote:
Originally Posted by 95geo View Post
Stock housings are sheet metal and dont stand a chance at living a long life unless they are heavily trussed. Trussing the axle is a bitch and not something I look forward to doing again. An aftermarket housing will cost you $500 with bearing ends, that is the best $500 you'll ever spend on the project.

Unless your budget is virtually non existant or you get the HD truck style housings for free, the aftermarket housings are the best choice. Stay away from the banjo style housings, get the ones with the tapered sides if you do insist on getting factory housings, they are the strongest of the bunch.
Thats what I used for my rear end. 77 ford, all stock, non-nodular housing, 31 spline, detroit, 5.13's, and 37's. I put it together in 2003 and it has held up perfect.



It even survived this driveshaft failure:


For the front axle, you should follow their advice and get an aftermarket housing. Their is a homemade 609 build on pirate. I believe he was still 4 grand into it and it took him around 2 years to get all the parts together.
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Old February 24th, 2010, 12:42 PM   #13
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If you haven't torn up a non-nodular 31 spline stock axle then you arent very hard on it.

What wall thickness is that driveshaft? It's pretty easy to twist up a thin wall driveshaft when they get a dent in them. Did you ever find the root cause of the twisted driveshaft?

Also, there is a guy on pirate selling a 609 front from sunray, LP9" center, 5 on 5.5 pattern and 1550 joints. $4500 Well worth the money he wants considering what's there.
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Old February 24th, 2010, 02:40 PM   #14
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If you haven't torn up a non-nodular 31 spline stock axle then you arent very hard on it.

What wall thickness is that driveshaft? It's pretty easy to twist up a thin wall driveshaft when they get a dent in them. Did you ever find the root cause of the twisted driveshaft?

Also, there is a guy on pirate selling a 609 front from sunray, LP9" center, 5 on 5.5 pattern and 1550 joints. $4500 Well worth the money he wants considering what's there.
Overcompression on the rear suspension tore up the shaft. I was doing a long steep hill climb and caught air coming over the top. Wall thickness? I don't remember. Honestly, I can't believe it didn't break the third member case. I would have put it in a nodular housing if I had one when I assembled it. Their are better setups but this one can survive. Plus, if your looking to do it cheap, their are plenty of spare parts out there.
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Old March 10th, 2010, 08:56 AM   #15
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If you get a small 9" you can use disc brakes from a Crown Vic. But odds are your better with a 70's Ford truck/VAN it will have the 5X5.5" bolt pattern. Not to mention 31 spline for most trucks/vans. The case that is just short of a N is the C7 it was more than likely what was in that 77 rear that bent the shaft.

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