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08-18-2014, 09:31 PM | #1 |
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Join Date: Sep 2009
Location: Hobbs, New Mexico
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9 inch conversion question??
I'm currently in the process of trying to swap the 12 bolt in my 67 c10 to a 9 inch and I'm trying to figure out what years and models of Ford vehicles had a 9 inch with the closest dimensions to our truck 12 bolts? I was told that the 9 inch from a late 70's Lincoln is close, but are there any others?
Thanks in advance! Zak
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71 Longhorn 402, PS, PDB, AC, Tach, Posi 67 SWB 6.0 LSX swap, 4/6 ECE Drop (Work in Progress) 2002 Victory Red ECSB Silverado 5.3 (DD) |
08-18-2014, 10:16 PM | #2 |
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Location: missouri city, tx
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Re: 9 inch conversion question??
I'm putting my 2nd 9" in the truck now. This one is from a 72 torino. It's within an inch of the stock 12 bolt that was in the truck. The first one I put in had a way offset pinion (to the passenger side) and I didn't like how it had my 1 piece driveshaft angled. The first was pulled from a 77-78 bronco. It's about 3 inches wider.
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70 longbed 496/th400/Ford 9" |
08-18-2014, 11:15 PM | #3 |
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Re: 9 inch conversion question??
Ok sweet, I've got some leads on a few rear ends, but I was trying to get an idea of what year 9 inches would be the easiest to swap in.
Thanks dinnut!
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71 Longhorn 402, PS, PDB, AC, Tach, Posi 67 SWB 6.0 LSX swap, 4/6 ECE Drop (Work in Progress) 2002 Victory Red ECSB Silverado 5.3 (DD) |
03-12-2015, 08:52 PM | #4 | |
"Where were you in '62?"
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Re: 9 inch conversion question??
Quote:
http://charlotte.craigslist.org/pts/4833780025.html Ford 9" Rear Axle Information http://67-72chevytrucks.com/vboard/s...d.php?t=358081 Ford 9-inch Rear End Length Data http://67-72chevytrucks.com/vboard/s...d.php?t=354261 Everything you've ever wanted to know about Ford 9 Inch Differentials! http://67-72chevytrucks.com/vboard/s...d.php?t=454229 Ford 9" Rear End's out of a 1957-1959 Ranchero and station wagon's are 57.25 inches (narrowest 9" housing) http://67-72chevytrucks.com/vboard/s...d.php?t=662341 Online engine resources (casting numbers, calculators, etc.) http://67-72chevytrucks.com/vboard/s...d.php?t=382583
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03-12-2015, 11:07 PM | #5 | |
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Location: colville washington
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Re: 9 inch conversion question??
Quote:
I actually have a spooled 4.56 for sale as well. I'm buying a Trac-loc 3.50 3rd member that is rebuilt for $300 so I can at least drive it a 60mph with my TH400 below 2500 rpm. I've got to tune down my motor to make it more streetable so I can at least drive it not trailer it to some events |
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08-19-2014, 12:28 PM | #6 | |
At the body shop.
Join Date: Aug 2009
Location: Land of fruits and nuts.
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Re: 9 inch conversion question??
Quote:
What I started with and narrowed one side to center the pinion. Also had 3.25 tubes.
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08-19-2014, 10:21 PM | #7 |
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Re: 9 inch conversion question??
I've looked at the moser packages, and I'm trying to decide if it's more worth it to go ahead and just order a complete rear end rather than modify an old 9". Does anyone know what the general price difference would be between buying a new moser unit and building an equivalent strength used 9""? This truck will primarily be street driven with occasional track use, but I want the rear to be able to handle just about whatever I throw at it.
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71 Longhorn 402, PS, PDB, AC, Tach, Posi 67 SWB 6.0 LSX swap, 4/6 ECE Drop (Work in Progress) 2002 Victory Red ECSB Silverado 5.3 (DD) |
08-19-2014, 11:00 PM | #8 |
60-66 Nut
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
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Re: 9 inch conversion question??
The cost of narrowing an original 9" housing depends on how much of the dirty work you do yourself. If you just drop off a complete greasy dirty differential with all the original brackets, for someone to narrow, it's going to cost 'ya. At least that is the way it is in my shop.
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08-18-2014, 11:25 PM | #9 |
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Re: 9 inch conversion question??
I think Moser makes a direct bolt in now, although as you may suspect, easiest or strongest will never equal cheapest.
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08-20-2014, 06:55 AM | #10 |
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Location: Hayes Va
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Re: 9 inch conversion question??
I have done a bunch of rears for folks and one of the things we saw was bent housings. A few bent from the demise of the donor but most bent from the welding that was done one it. A set of axle tube will move a bunch when you weld on them. So we always put the ends on the housing last after all other welding was finished. Had a 2" ground piece of bar stock that went in the housing to center the ends true with the center section. This made for very easy axle installs and a car that would roll straight and easy. This is the advantage of the Moser housing over a doner and doing a bunch of welding on it.
Jimmy
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60 to 66 Chevy and GMC window decals http://67-72chevytrucks.com/vboard/s...d.php?t=661131 Good friends, good food and a hotrod what else do you need? 1966 BBW long fleet Daily driver 1965 BBW short fleet Sold and going to a good home 1965 Suburban 2003 3500 Duramax 2005 Ultra Classic |
08-20-2014, 01:39 PM | #11 |
At the body shop.
Join Date: Aug 2009
Location: Land of fruits and nuts.
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Re: 9 inch conversion question??
I ground the weld on the center. Pushed the longer tube in 2" to center the pinion up.
Low budget but...
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08-23-2014, 09:10 PM | #12 |
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Re: 9 inch conversion question??
My Moser fab 9" with 35 spline axles and Detroit locker.. cost was around 3400.00
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62 Willys 4wd Pickup : 72 C-10 swb 504 stroker 09 Taco 3" lift 33" tires: 90 K-5 blazer (plow truck): RIP Ross Little brother |
08-23-2014, 09:16 PM | #13 |
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Location: Fitchburg,Mass
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Re: 9 inch conversion question??
Pics
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62 Willys 4wd Pickup : 72 C-10 swb 504 stroker 09 Taco 3" lift 33" tires: 90 K-5 blazer (plow truck): RIP Ross Little brother |
08-24-2014, 08:37 AM | #14 |
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Location: Mobile, Al
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Re: 9 inch conversion question??
That's a good looking rearend!
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08-24-2014, 08:11 PM | #15 |
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Location: Hobbs, New Mexico
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Re: 9 inch conversion question??
Thanks for the pics Vidman, that looks great for 3400. Did that price include the cost of the drum brakes as well?
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71 Longhorn 402, PS, PDB, AC, Tach, Posi 67 SWB 6.0 LSX swap, 4/6 ECE Drop (Work in Progress) 2002 Victory Red ECSB Silverado 5.3 (DD) |
08-24-2014, 08:43 PM | #16 |
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Join Date: Jun 2012
Location: Fitchburg,Mass
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Re: 9 inch conversion question??
I used my stock 12 bolt drum brakes. also had 35 spline axles, Detroit locker,Daytona aluminum pinion cover,tapered bearing upgrade, backbrace, 1350 yoke and 3.25 ratio. When bolted it in I ended up with a 3 degree up pinion angle which works out perfect with my 3 degree trans down angle. Very happy with the purchase..
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62 Willys 4wd Pickup : 72 C-10 swb 504 stroker 09 Taco 3" lift 33" tires: 90 K-5 blazer (plow truck): RIP Ross Little brother |
03-10-2015, 01:10 AM | #17 |
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Join Date: Nov 2013
Location: colville washington
Posts: 20
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Re: 9 inch conversion question??
I just acquired a 58 inch wide 9 inch rear. I believe it came out of a Torino and narrowed due to the thick wall flat top tubes and flange bolt pattern. It has 31 spline Moser 5x5 axles.
The question I have is due to the thick walled 3.25 inch housing will this be a big issue doing a swap into a trailing arm 68 with a stock 3 inch 12 bolt housing? Any info would be appreciated. |
03-11-2015, 12:02 AM | #18 | |
60-66 Nut
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,252
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Re: 9 inch conversion question??
I don't think you should have any problems. With installing a 10.5" 14 bolt, most guys will grind a small notch in the axle tube for clearance for the U-bolts. The 14 bolt has 3.375 diameter axle tubes. You could use the 14 bolt trailing arm mounts that I make for that 9" housing.
Quote:
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