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Post by Slam_Shifter on Dec 1, 2005 23:19:00 GMT -5
Put down where you find your nine inch gears and supplies here. What cars interchange and what works best.
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Post by dadicted on Dec 1, 2005 23:38:26 GMT -5
the best ford rearend is the ford 9", i like to put some 4:10-5:13s in all my cars. ford 9s dont have bolts on the back of the housing if i remember right. ebay is always a good place to find gears.
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Post by derbyman753 on Dec 2, 2005 13:53:26 GMT -5
same here dadicted , but i like the 31 spline 9 inch not the 28 spline broken to many axles , 513, 543, also yes the hole pumpkin comes out the front not the back ,u can find these in junkyards all the time atleast down here in ohio hope this helps 753 ;D
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Post by badboy23 on Dec 9, 2005 15:36:37 GMT -5
absolutely a 31 spline. i used a 4.56 last year, worked good, but seemed a little tall. im going to try a 4.11 or 4.30 this year. the rearend i have came out of a bronco.
the upper mounts were fabricated from leaf spring ends. thanks to a buddy that can fabricate and weld.
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Post by maxcarnage on Dec 9, 2005 19:48:32 GMT -5
some useful 9" info:
Where to find a 9" rear axle
* 67-73 medium and big block Mustangs and Cougars
* 66-71 Fairlanes, Torinos, Montegos, Comets, and other Ford intermediates with big blocks
* 57-59 V8 Fords and Mercurys
* 77-81 Lincoln Versailles & Trucks
Types of 9" axle housings
* 67-73 Mustang/Cougar - light duty, thinnest housing material, small axle bearings, 28 and 31 splines
* 57-68 passenger car and 1/2 ton truck - medium duty, stronger than Mustang type, 28 and 31 splines
* Ranchero/Torino - heavy duty thick wall housing, 3.25 inch diameter axle tubes with flat tops
* 69-77 Galaxies (coils), Lincolns (coils), and late pickups (leaf)- 3.25 inch diameter all the way to the backing plate, coil housings have upper control arm mount
9" Housing Identification
* 57 - no dimples, flat center band up the center of the rear cover, bottom drain plug.
* 58-59 - two dimples on back of housing, flat center band, some had drain holes.
* 60-67 - two dimples, flat center band, oil level hole in back cover.
* 63-77 Lincoln, LTD, Thunderbirds had 9.375 inch centers, housings were cut away at the gasket surface for ring gear clearance, one curved rib at the front top portion of differential, strong but no aftermarket gear sets.
Axle widths
Note: The lengths stated are for a complete axle from brake drum to brake drum.
For 64-73 Mustangs subtract 5 inches to get the bare axle housing width.
* 65-66 Mustang 57.25 inches
* 67-70 Mustang 59.25 inches
* 71-73 Mustang 61.25 inches
* 77-81 Versailles 58.50 inches
* 74 Maverick 8" 56.50 inches
* 75 Mustang II 8" 57.00 inches
* 67-73 Mustang, Torino, Ranchero, US Fairlane 9" 59.25 inches to 61.25 inches
* 57-59 Ranchero and station wagon rears, 57.25 inches
* 66-77 Bronco 9", 58 inches
* 77-81 Granada/Versailles, 58 inches
* 67-71 Comet, Cougar, Mustang, US Fairlane, 59.25 inches
* 71-73 Mustang, 61.25 inches
* 64 US Falcon 58 inches
* 67 Cougar 60 inches
* 67 US Fairlane 63.50 inches (coil springs)
* 72 US Ford Van 3/4 ton, 68 inches,
* 73-86 US Ford Van 3/4 ton 65.25 inches
* 57-59 Ranchero and station wagon 57.25 iches (narrowest 9" housing)
* 66-77 Bronco 58 inches but has 5-on-5 1/2 inch diameter bolt circle
* 67-73 Torinos, Rancheros, US Fairlanes 59.25 inches or 61.25 inches
* 67-71 Comets, Cougars, US Fairlanes 59.25 inches
also...if you prefer to lock up the rear end...try and shell out the extra 50 bux to buy and install a mini spool....MUCH better way to go than welding
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Post by derbyman753 on Dec 10, 2005 1:36:13 GMT -5
;Dabsolutley maxcarnage, spool all the way , also i like noduler 3rd members awesome 4 derbys ,sorry if not spelt right lol im a derbier not a speller lol hope this helps 753
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Post by dadicted on Jan 4, 2006 18:36:58 GMT -5
ok, but where do i find the 31 spline axels. which cars have them in it. i have or will have 2 64 ford wagons and know where there is a 72 ford wagon w/ a ford 9 under it.
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Post by gwmoreland on Jan 6, 2006 21:03:05 GMT -5
the way you tell 31 spline is the center where the wheel studs are is solid w/ 2 3/8 holes. the 28 spline center will have a dip in it . ford trucks f 150's 67 thru 79 may be the easyest to locate
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tude
Dog
custom fit hammered and bent
Posts: 76
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Post by tude on Aug 29, 2006 4:09:12 GMT -5
if you work on several 9 inches say putting in spools heres something you should make   heres what the back should look like if its a nine - exept yours wont have flames  |
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Post by stris141 on Aug 29, 2006 9:47:28 GMT -5
Tude, Kind of stupid on these things. Is that a jig to help put the third member together?
Steve
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tude
Dog
custom fit hammered and bent
Posts: 76
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Post by tude on Sept 5, 2006 12:52:15 GMT -5
yes it is lot easyer than doing it on the floor just wish i made it taller by about a foot of 2
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Post by stris141 on Sept 5, 2006 15:16:57 GMT -5
Dig a hole about a foot or so, and stand in it.LOL
Steve
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tude
Dog
custom fit hammered and bent
Posts: 76
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Post by tude on Sept 5, 2006 20:49:57 GMT -5
yaaaaa that might work lol i just sit in a chair (becouse im lazy) to work on the gears
just make it to where you can spin it over very easy if you ever make one mine is a pain in the ..........................................
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Post by stris141 on Aug 29, 2008 1:31:49 GMT -5
Haven't been any real questions in here for a time. Thought I'd ask this one here.
I've heard that you can put a GM rear end right in the Crown Vics, etc. Which GM's? And is a GM stronger than the stock Ford? At least to be worth the trouble?
I'd love to build a 9", but just don't have the tools, etc to do so.
Steve
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