8 inch ford rear end identification

70 cover plate is 1/4 inch taller at top than 60. ... Here's a rear axle identification chart I found on the web a decade ago. ... FORD MERCON V

Detroit Speed FN988 Assembled Center Sections 070880-410DS. Third Member Complete Assembly, Detroit Speed, FN988 Assembly, 8.8 in. Gears, 31 Spline, Truetrac, 4.10 Ratio, 1350 Yoke, for Ford 9 in Housing, Each. Part Number:DSR-070880-410DS. Not Yet Reviewed.How to tell the difference between a Ford 9 inch and an 8 inch rear end. Axle id: a quick guide to identifying common rear axles Rear ford inch axle end hotrod rod hot transmission model rearend Ford axle inch tag rear decoding minor question. Watch as currie enterprises builds a 9-inch ford rear axle from scratchOk,got it disassembled today.I don't know how to post pics to forum,but they are in my photo album-8 inch ford rear end.If both axles turn in the same direction simultaneously while turning the yoke,its posi,right?Is this prone to breakage? ... Engine identification help. Jakebanshee. 1999 to 2016 Super Duty. 0. 06-17-2017 04:04 PM. C6ME. Roger ...1948 - 1956 F1, F100 & Larger F-Series Trucks - Help! 9" Ford axle shaft identification - Ok thanks guys for the help thus far. Here's the deal, I've got what appears to be mix-matched axleshafts in the Heinz-57 rear axle in my '56 F100. Here's what I do know- the housing is a 67-72 housing and the backing...To keep your wheels rotating at the same speed, you can manually lock your rear differential. Learn how to lock the rear differential in this article. Advertisement The three jobs ...

When it comes to third members, the 9-inch is certainly stronger and there are more gear ratios available. However, for street use, the 8-inch still offers plenty of choices because 2.79:1 to 5.43 ...But the easy check is to see if you can get a socket on those lower bolts for the third member. If you can, it's an 8-inch; if you need to use a wrench, it's a 9-inch. In addition, the ribs on the third member also look 9-inch like. 8-inch have a bunch more ribs, at least the ones i am familiar with seeing.The Ford 8.8-inch is basically a 7.5 with a larger ring gear. The only way to distinguish it from the smaller unit is to look at the vehicle it's under or inspect the housing for identifying numbers.If the rear end bottom bolts can be removed with a deep socket on an extension it is an 8 inch. If you need a wobble it is a 9 inch. the table you seek is found typing ford rear axle identification on yahoo Good luck and maybe you will get lucky and the rear will be a 31 spline rather than a 28. To check for closed or posi jack up rear and spin ...

First, step up to a '67-and-up axle housing, shortened to the correct width for a '65-'66 Mustang. Second, grab a '67-and-up chunk and stuff it into the modified housing. And finally, fit the iron ...ive got a 68 mustang 289 auto with an 8 inch out back. im converting it to a 9 inch to accommodate the new engine mods. Ive got the chunk and everything but i dont know if i can use the brake backing plates from the 8 inch and for my new 9 inch. -69 Mustang - 351W AFR 185, Vic Jr, .512 @ 232°, 750 Holley, WC T5, 4.30 TruTrac, CalTracs.68xr7cat. 3295 posts · Joined 2006. #11 · Oct 29, 2010. LOL 9-3/8 were all cast from Nodular iron and are stronger than any factory 9". Only problem with them is finding parts and gears. A 9-3/8 will fit in a 9" case if you notch the case for ring gear clearance. -Steve. 460MustangCoupe. Like.7.5" vs 8.8" Rear Ends. The cover shape difference between 7.5" and 8.8" is the quickest way to identify an 8.8" from a 7.5" rear end. The 8.8" rear end is flat on the top and the bottom as well as the left and right. It has a square design with four rounded corners and ten bolts. When measuring from the top left bolt to the ...

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Ford Rear Axle Assembly Identification - Page 16. NOTE: Axle tag location and appearance may vary by application. Code. Application. Ring Gear And Pinion. NL. or. L. Shop Rear axle, 8 inch for your classic 1965-1973 Mustang at NPDLink.com! Free shipping over $300, fast delivery & everyday low pricing! ... NPD is not affiliated with or sponsored by the Ford Motor Company , General Motors Company or Stellantis. Chevrolet, Pontiac, Camaro, Chevelle, Malibu, El Camino, Firebird, Trans Am, GTO, Tempest, LeMans ...Rear axle bearing on a 8" rear end. Anyone know the part number for rear axle bearings and seal on a Ford 8" rear end? I want to replace them on my 68. Autozone has no listing, a few other places list multiple parts, but don't identify if they are for the 7.5, 8, or 9 inch rear. I was able to figure out that RW-207-CCRA is the part number ...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 …

Yes a 69-77 Ford Maverick 8" rear is 56.5" wide and a Granada/Versailles 77-81 is 58" wide both good rearends for a Model A the Maverick is best with fenders. Most 56 Ford rearends were around 61" wide except the 57-59 Ranchero or wagon 9" at 57.25" wide. All mesurments are from wheel flange to wheel flange.Here’s a little information on Late model Mustang rear axle ratios. 1979-2014 Mustangs came equipped with one of two Ford rear ends. Ford 7.5 differential OR 8.8 differential. All ’79-85 Mustangs featured the 7.5 rear ends. From ’86-2010 the Ford Mustang 8.8 rear end went into all V8 Mustangs (5.0L, 4.6L & 5.4L) The 7.5” rear end went ...Ford F150 Rear End Models Brief introduction of different models. There are different Ford F150 rear end models, each with distinct characteristics that suit particular applications. Among the prominent models, we find the 8.8-inch and 9.75-inch variants, names indicating the diameter of the ring gear.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 ...If it has a removable cover on the rear of the axle, too bad. If it is solid in the rear and the carrier drops out of the front, you have an 8". The gear ratio should be on a tag on one of the carrier bolts. If not, roll the car forwards slowly one tire revolution and count the number of times the pinion goes around. (helps to mark it with chalk)Check Details Ford explorer 8.8 rear end identification. How to narrow a ford explorer 8.8 rear axle: part 2Ford 8.8 irs differential front mount bolts explorer rear diff automotive transmission Ford explorer 8.8 rear end identificationFord explorer 8.8 rear end width chart.The 9-inch ring and pinion is front-loaded into the rear end housing. First, the pinion shaft housing is removed from the front of the housing by removing five bolts. The ring and pinion are then accessed, also from the front, by removing another 10 bolts. Some of the 9-inch truck differentials will have an exaggerated hump on the rear cover to ...In 2015 Ford Introduced a newly designed 8.8” Rear-End they called the “Super 8.8” It replaced the older 8.8” rear that had been in production for some 25 years, and parts from these two do not interchange. The newer “Super 8.8” comes in 2 flavors 1. A solid axle model designed for the 2015+ F-150 light duty pickup. 2.Decoding Ford rear axle codes can be a bit complex, but by following a step-by-step process, it becomes much easier. Each letter and number in the rear axle code has a specific meaning, allowing you to extract valuable information about your axle. For example, the first two letters of the code indicate the axle's size and capacity, while the ...

1965 Ford Mustang Axle Information & Ratios. The first table is the code and gear ratio. If you know your axle tag number, simply go to the second table. Axle code: Ratio & type: 6: 2.80 open differential: F: 2.80 locking differential: 2: 2.83 open differential: B: 2.83 locking differential: 1:

With a 1/2" socket and ratchet, remove the three bottom fasteners on the rear cover. Place a drain pan under the cover, and loosen the seven remaining fasteners. Starting from the bottom up, continue to loosen the fasteners and pry out on the bottom of the cover with a large flat-bladed screwdriver, to drain the oil.1965-1973 Mustang. View all applications. (2) $8.89. Add to Cart. Excellent. Based on 11,009 reviews. Shop Rear axle, 7 1/4 inch for your classic 1965-1973 Mustang at NPDLink.com! Free shipping over $300, fast delivery & everyday low pricing!Ford Rear Axle Assembly Identification - Page 13: NOTE: Axle tag location and appearance may vary by application. Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: S406-B: Ford F250SD, F350SD Pickup ‘99: 3.73: 10.50: NL--S406-C: Excursion '00 Ford F250SD, F350SD …Ford Mustang (1979-2011) Ford Ranger (1983-2011) For the purpose of this article, we're only going to discuss the Ford Ranger and Bronco II. All Ford Bronco II's (1984-1990) came with a 7.5-Inch rear axle. All Ford Rangers came with a 7.5-Inch axle from 1983-1989. From 1990-2011, all 4.0L Ford Rangers came equipped with a 8.8-Inch axle. Ford 8.8 axle. The Ford 8.8 is an automotive axle manufactured by Ford Motor Company at the Sterling Axle Plant in Sterling Heights, MI. It was first used in model year 1983 Ford trucks. The axle was developed to replace the Ford 9-inch axle. This axle is still in production today for a variety of Ford vehicles. The aftermarket considers this an 8 inch diff. Ford is being specific on the ring gear diameter. The diameter is determined by the number of teeth that are on the gear. If you were to get a different gear ratio it may measure 8 in or it may fall in between 7 3/4 in or 8 in. To get parts just refer to it as an 8 inch. The backlash can be adjusted.stang6992 said: not being an *** but if im not mistaken there is no such gear as a 3.40 for an 8 inch. there is a 3.25 and a 3.55. but either way. if you do not plan on racing it get a set of 3.25s b/c they are more highway friendly unless you got tall tires. Yes I remember looking for the 3.40 8 inch gears in the junkyards but never found any.The differential bearing cap bolts are 55-70 ft-lbs for a 8" rear differential. The differential bearing cap bolts are 70-85 ft-lbs for a 9" rear differential. All below specs are for 8" and 9" differentials. Differential bearing adjusting lock nut bolts: 12-25 ft-lbs. Carrier to housing stud nuts: 25-40 ft-lbs. Reviewed by: Scott from Orono, MN. - 5/3/2016. /. Ford 8" Third Member. I previously bought an 8" third member with 4.62 gears and it was fantastic in my 70 mustang. I have another 70 mustang I'm building, more for the street, and got the same 3rd member but with 3.80 gears. Much more freeway friendly. 2797 posts · Joined 2003. #3 · Jan 20, 2014. Big axle bearing rear ends will have 1/2" bolts holding the axle in. Small bearing ones will be 3/8". Ford Galaxie Club of America #665. So-Cal Galaxies.

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1973 - 1979 F-100 & Larger F-Series Trucks - Ford 9 rear end identification - Have a rear end from (assumed) Ford truck. The identification numbers are WDM-AG 2GD; 3.00 9 343A. Can anyone tell me how to identify the year of this axle and what vehicle it was on?Ford Ranger FX4 with a 31-spline 8.8-Inch axle should have a 1.32-inch diameter axle shaft. Identification From Axle Tag: The axle tag is bolted to the rear differential cover, …The 9" Ford rear end (10 bolt with rear plate welded in place) in my "54 Chevy truck has no ID tag. The output tubes taper toward the wheels. ... There's a killer web site on the 9 inch if you google 9 inch ford. It'l tell you more than you ever wanted to know. Save Share. Like.The Ford 9" was produced with 28 and 31 spline axles that even in their smallest form, are larger in diameter than those in the 10-bolt Chevrolet rear axle. The gears and the carrier have proven to be significantly stronger than the 10 and 12-bolt Chevrolet, which use smaller 8-1/2" and 8-7/8" diameter ring gears, respectively.Yes, axle lengths are an issue. 9 3/8 have a different spider pinion offset and so the axle lengths are different from an otherwise identical 9 inch. Here is a 66 example that I posted in the past: On a 66 galaxie 9 inch the axles are 32 1/4 on the right and 29 19/32 on the left but the 9 3/8 is 31 7/8 on the right and 29 13/16 on the left.This helpful guide has images for easy identification. We also have printable version available. ... * 1310 Ford & 1330 Ford have 1 1/8" cap at pinion yoke and 1 1/16" cap at driveshaft. ** 1415, 1485, 1555 only found on Chrysler and some GM vehicles with American Axle built driveshafts. ...Apr 25, 2020 · The Ford 9.75" Rear End The 9.75" rear end is the old war horse of the two available rear ends for the 2015-2020 F150s. The good news is that the 9.75" is extremely distinct in how it looks, and in our experience, is the more common of the two differential options. The 9.75" has a very noticeable taper the goes toward the passenger's side of ... Speedway Ford 8 Inch Axle Rear End Overhaul Rebuild Kit (15) $96.99 /each. Add to Cart. Speedway Motors | #91031910. Basic Weld-On Rear Disc Brake Kit for 1969-77 GM Caliper, 1.96 In BS (2) Position: ... Ford 9-Inch Housing Identification and Axle Measurement. Read More.A Ford 8-inch rear end can be a lower cost alternative to the popular 9-inch third member-type carrier, for cars with a V-6 or small-block V-8 engine. In its stock configuration, you should be able to transplant an 8-inch into any mid-size muscle car of similar frame width and an engine that does not develop over 300hp.Rear axle additives are designed for use in limited slip differentials which are normally installed in cars. the use of additives will delay the engagement of the locking mechanism and may decrease axle life." Moser... `"Gear oil additives that drastically reduce friction will actually reduce the performance of gear differentials.Ford 9 inch rear end identification is easy and can be accomplished with nothing more than a deep socket as a "go-no-go" gauge for the bottom two retaining nuts on the center section. If the socket fits (as shown in our photo below) it is a Ford 8-inch housing. The 9-inch housing's center section will not allow the socket to clear, and ...How To Install a Limited Slip/Posi Unit in a GM 10 Bolt 8.5″ Rear-end; How To Install Ring and Pinion Gears in a Ford 8.8 Rear-End; How To Narrow a Ford 8.8 Inch Rearend; How To Rebuild a GM 10 … ….

301, 4001, 9, axle, c3ta, end, ford, formula, fourms, id, identification, numbers, rear, tag, trucks. 1948 - 1956 F1, F100 & Larger F-Series Trucks - 9" rear end axle tag identification - hi all new to the forum thing but i can not find anything anywhere on this code. if someone could please help. C3TA 4001 B 301 3 89 2HE That is what i could ...A fuel crisis in 1973 would further cement the death of the 9 3/8″ axle later in the decade. The 9 3/8″ rear end had an interesting and largely unknown 11-year run from 1966-1977, especially compared to the standard 9-inch, which Ford produced from 1957 through the 1986 model year. By 1977, the 9 3/8″ rear axle had outlived its usefulness.Rear end identification ford mustang How to tell the difference between a ford 9 inch and an 8 inch rear end Ford 9 inch identification. Identifing ford rearends. Differential identification diff differentials forums9" rear end identification Ford rear tag axle end decoder inch tags differential decoding source forums replyYears turns exploded ...Ford rear end widthsRear ford end axle tags diff inch mustang kenton size source Ford 9 inch rear end gear ratios chartFord explorer 8.8 rear end identification. Ford 9 inch rear end width chart9 inch rear end width Ford axle ranger rear specs inch dimensions gear therangerstation specifications jeep 1983 axles 1993 question 1992 fluid ...Mattstang65. 206 posts · Joined 2001. #4 · May 29, 2009. Torque values are bolt size specific, not 8" or 9" specific. Below are the specs I've used for years with great success. Come from a video that I got with the purchase of a set of Richmond gears a long time ago. Ring gear: 3/8 x 7/8" RH 55-60 ftlbs. 3/8 x 3/4" RH 45-50 ftlbs.This guide includes ford rear-end identification, Dana axle identification, and common GM rear-end identification tips. Summit Racing Equipment; Articles. Tech. Brakes & Suspension; Cooling; ... Yea, maybe instead of having just "GM 10-bolt" on the list, you should have "GM 7.5-inch 10-bolt" and "GM 8.5-inch 10-bolt." ...Dodge Ram pickup tricks come equipped from the factory with a stereo system that includes rear speakers mounted in the rear side trim panels. If you want to install new speakers in...Shop Rear axle, 8 inch for your classic 1965-1973 Mustang at NPDLink.com! Free shipping over $300, fast delivery & everyday low pricing! ... NPD is not affiliated with or sponsored by the Ford Motor Company , General Motors Company or Stellantis. Chevrolet, Pontiac, Camaro, Chevelle, Malibu, El Camino, Firebird, Trans Am, GTO, Tempest, LeMans ...When it comes to understanding the various components of a vehicle, the rear axle is often overlooked. However, for those who have a passion for off-roading or are simply intereste...Does anyone know what car this rear end housing would be out of by the measurements.It is 54 3/8" from outside to outside of the flanges.It is 43 1/4" from center to center of the spring perches.Where it tapers down the smaller part of the tube is 2 3/4" in diameter.The nodular center section has 3.91 gears and is a Traction Lok.I dont know if the housing and center section are original ... 8 inch ford rear end identification, Rear end identification. Thats why they are called limited slips and not lockers. You can't expect something to do what its not designed to do, that is a limited slip that will lock up automatically. For getting off of a boat ramp, a detriot is kinda overkill. But its all in what you want., Master the complexities of the Ford F150 rear end with this comprehensive guide, helping owners, mechanics, and enthusiasts in proper identification, maintenance, and repair. ... each with distinct characteristics that suit particular applications. Among the prominent models, we find the 8.8-inch and 9.75-inch variants, names indicating the ..., 1330 rear end yoke for 9 inch ford 9000472 pinion yoke kit 1330 series 28 splines 4 inches tall fits ford Ford 8.8 parts-broncograveyard.com 1350 yoke for ford 8.8 - desolate motorsports ... Rear ford end inch identification mustang axle help ranger diff differences between gt guide forums trucks tech offline 1995 axlesFord pinion yoke 1330 ..., This is the most sought-after 8 3/4-inch version, and is called the "489" case. The pinion shaft diameter on these rear ends was 1 7/8 inches, and these pinion shafts were either 10- or 29-spline. The increase in diameter of the pinion shaft also relates to the rear-end assembly's strength. Normally, the 741 cases were used in A-body or …, Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: WEM-A: Bronco '66-'71: 4.11: 8 3/4 in: NL: 28, You also need to be aware of axle offset which is 2-3/8". While I have not tried, been led to believe up to 66 Ford backing plates/brakes will work, so you should …, Mr. Regular leans how to identify a Ford 7.5 vs a 8.8 by the differential cover. The Vagabond Falcon needs a Ford 8.8 rear that is 56 inched hub-to-hub, 66mustang86. You have to take a pic of the front of it where the pinion comes out for me to tell for sure but it is a 8 or 9 inch rearend. Most likely an 8 inch as they were standard on these cars. You refill it from that screw in plug on the back of the main housing halfway up. Fill it until it reaches this level and starts coming out and then ..., The pinion in a standard 9-inch sits about 2 1/4 inches below the axle centerline, while the pinion in a reverse-rotation 9-inch is about 1 1/4 inches above the centerline. Those 3 1/2 inches can ..., The 8.8-inch is 30% stronger than the 7 1/2-inch and can be used reliably in 300hp or better vehicles. A 10-bolt rear cover with 7/16-inch bolts is the easiest way to identify this unit. The cover is not quite square, measuring about 10 1/2 inches high by 11 inches long (the 7 1/2-inch rear end uses a cover that measures 10 9/16 inches square)., Ford attached an aluminum tag to one of the carrier bolts at the factory to aid in determining the gear ratio and build date of the 9-inch rear. There are two rows of numbers on the tag. The first row will show five digits that designate the Ford part number for the axle. The second row will have 9 or 10 digits., Speedway Ford 8 Inch Axle Rear End Overhaul Rebuild Kit (15) $96.99 /each. Add to Cart. Speedway Motors | #91031910. Basic Weld-On Rear Disc Brake Kit for 1969-77 GM Caliper, 1.96 In BS (2) Position: ... Ford 9-Inch Housing Identification and Axle Measurement. Read More., Nine Inch Rear Axle 66-71 Fairlanes, Torinos, Montegos, Comets, and other Ford intermediates with big blocks. 67-73 medium and big block Mustangs and Cougars. 77-81 Lincoln Versailles. Width: all measurements are flange to flange 67-71 Comet, Cougar, Mustang, Fairlane = 59.25 inches 65-66 Mustang = 57.25 inches 67-70 Mustang = 59.25 inches, The 8.8" is flat on the top, bottom, and sides. If it's from a V6, its a 7.5" rear. The 8.8" rear was only in V8s, and only after '85. Fox beat me to it. The 7.5 is flat on the top and bottom, the 8.8 is almost like a rounded square. The pictures really show the difference. And I'll change the title to "7.5"., I've got a stock Ford 8" LSD that is measuring .030" backlash. There appears to be no abnormal wear on the teeth. I've never driven the car ('67 Fairlane) so I don't know if the rear end made any noise. I know the bearings are supposed to have a pre-load of .005" which is equivalent to moving one hole in the side adjusters., 69 cougar 428 CJ. Peter. Feb 21, 2002 #3. The Non "N" n case ( C4AW-B ) can be identified by the way the horizonal ribs end , the WAR case has ribs that protrude slightly more than the C4AW case but they "drop off " sharply where they end , the C4AW case has ribs that step down or have "feet" . also the daytona pinion support come in various ..., A Ford 8-inch rear end can be a lower cost alternative to the popular 9-inch third member-type carrier, for cars with a V-6 or small-block V-8 engine. In its stock configuration, you should be able to transplant an 8-inch into any mid-size muscle car of similar frame width and an engine that does not develop over 300hp., It is also a 3.55:1 ratio limited slip 8.8" rear end. Your date code is not right at it says it was made on the 21st day of the 14th month of 1994. Tag decoding : 3L55 88 99H06. Second part is the axle ratio: There should be a "3L" preceding the 55 if it's a Limited Slip. If it's open, it would just say '355' ., The code appears as a number or letter/number combination in the ‘Axle’ column of the label. If you look at the ‘AXLE’ section on the label above, you’ll see that this Ranger has a ‘F7’ axle code. Using the chart below, we know that this axle is a 7.5-Inch axle with a 4.10 limited slip. Axle codes for Ranger, Bronco II, Explorer ... , 7496 posts · Joined 2001. #6 · Feb 8, 2010. V6 and V8 Mustang II's had 8" rears. 3.55 rear gears were common in the V6 cars. If you run a stickshift and slicks with an 8", it won't last long. A spool or Detroit Locker (yes, they make one for the 8" rear) will help immensely, but you're still dealing with factory 28 spline axles. Don't use ..., Ford 8.0 Ring and Pinion Part Number, Tooth Count & Ratio. Your gears run cooler and last longer! Order above high performance synthetic oil and friction additive combo kit at time of order for ring and pinion or bearing overhaul kit and pay only $63.95 plus S&H, a $69.00 value., The question is whether a car has an 8-inch or 9-inch Ford. An identification might be needed while looking for a donor rear in a salvage yard, or trying to find out what is in one's own car. ... The centersections of early 8-inch rearends with the single rib look like the later non "N" case 9-inch centersections. Further complicating ..., Shop Ford 9 Inch, Axle Shafts and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. Ford 9 Inch, Axle Shafts in-stock with same-day shipping. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. ... Need help with rear end identification for your muscle car or hot rod? Learn how to identify 9 ..., None of those numbers/letters are very helpful. However, being a 9” Ford rear end, it is safe to assume it is a ‘60s to early ‘70s era axle. First measure your drum inside diameter and width of the lining on the shoes. For example, 11” x 2” or whatever. If you go to the Rockauto.com website you can navigate your way into Ford vehicles ..., Ford 975 rear end diagramFord 8 inch diff identification Ford inch identification diff rear explorer axle differential cover swap sourcePosi trac inch pinion lok. Ford 10.25" & 10.5" Rear Axle - Differential Parts Catalog - West Coast, FoxChassis. There should be a casting number and date code on the front side of the differential housing. That will tell you the exact model the rear was originally designed for and the exact day the housing was cast (not the build date, like what is on the axle tag). The casting number will look something like F57W-AB ('95+ Explorer) and the ..., Ford Rear Axle Assembly Identification - Page 11: NOTE: Axle tag location and appearance may vary by application. Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: S157B: Ford F250SD, F350SD Pickup '99: 4.10: 10.50: L--S157C: Excursion '00 Ford F250SD, F350SD Pickup '99-01: 4.10:, Axle ratios are somewhat limited at this time if you choose to replace with OEM gears: 3.31, 3.55 & 3.73. 4.10s are not available either through Ford or Ford Racing. However some aftermarket gear suppliers may offer additional ratios that Ford does not. (Ford 8.8-Inch Rear Axle – Heavy Duty Version) Ford 8.8-Inch IRS (Independent Rear Suspension), When it comes to getting power to the pavement, GM's 10-bolt, 8.5-inch rear end with Positraction is a hero. Like Superman in street clothes, however, it can be hard to identify this beefy unit among its weaker cousins, the 10-bolt, 8.2-inch with open differential. GM built countless thousands of both types of 10-bolts from 1970 to 1994., The third character is for the vehicle model code. For example, R3 is Mustang, H7 is F-Series Short Cab, L3 is F150/250. So a 2011 Mustang axle is part number BR3W-4001-KH. The last character designates which Design Engineering Office is responsible for the component. There is a fair amount of detailed information contained within the part ... , Just because the differential carrier is a C7OW 4025 A doesn't mean the rear axle housing is a '67. The '67-70 8 inch housing has straight tubes and is 54 1/4 inches from housing flange to housing flange. Without a drain plug, without tapered tubes and in the 52 1/4 inch neighborhood it's probably a MII rear end., A fuel crisis in 1973 would further cement the death of the 9 3/8″ axle later in the decade. The 9 3/8″ rear end had an interesting and largely unknown 11-year run from 1966-1977, especially compared to the standard 9-inch, which Ford produced from 1957 through the 1986 model year. By 1977, the 9 3/8″ rear axle had outlived its usefulness., Images presented for reference and educational purposes only. To have an image removed from this website, please contact us at: [email protected]. Ford 8" Differential parts are in stock and ready to ship today at West Coast Differentials. Call our Rear-End Parts experts for LIVE help.