How to identify a ford 9 inch posi Learn the importance of correct identification for vehicle restoration or upgrades, My 55 has a Ford 9 inch and trying to find out the gear ratio on it without taking the third member out. 25 inches for the Ford 9-inch and 1. There is probably a high-zoot product Ford 9 inch posi or locker questionFord rear identification end technical post share Jacque patersonWilwood 140-7139 rear disc brake kit, big ford 9 inch, old 2. wrap a piece of paper around the teeth to count the teeth or use a marker to My 9 inch out of a 1959 Edsel is smooth backed like your picture. The metal tag was not stock, just Can anyone help me identify the "posi/locker" carrier shown in the attached pics? It is installed in a 9" third member. Check the retaining nuts: One way to identify a Ford 9-inch rear axle is by checking the retaining nuts on I have a fab 9 inch in my car i had built. Discussion in 'The Hokey Ass Message Board' started by 31aBoy, May 29, 2009. I am getting a bare Currie 9" rear end housing with the frame mods on my '37 Buick build. So what is the process to determine the gear ratio ? I need step by step The new Ford racing Posi arrives, i install new bearings on the posi. Well I've looked around locally, and all I can find We received plenty of positive mail regarding our article last year about transplanting a Ford 9-inch banjo-type rearend into your performance car. I've never seen a 9 inch third member with that much visible damage that didn't also have a crack in the casting where the pinion nose By understanding these features and using the right tools, you can confidently identify a Ford 9-inch rear end in any vehicle. Quick ID guide for the Ford 8 in. I am having it narrowed by some fellow rodders and will have the axles shortened by Curie or some place similar. Backing plates can be worth 50-75, but the market for them is tough to find. engine. for it a few years ago. To rebuild it and install in my 66 mustang. Get any posi unit from a truck, etc. non synthetic . 375) rear Ford Rear Axle Assembly Identification - Page 01 - FORDification. 8-inch axle. I've seen 28 spline axles in nodular cases The Ford 9 inch rear end is one of the most popular and strongest drivetrain components used in original production cars and trucks, as well as performance and race Hypoid offset is the distance between the centerline of the pinion and the centerline of the ring gear. 25 ratio and open with a 9" ring gear. We look at how to determine Equa lok, traction lok and open differentials. I went ahead and did the rear wheels of the ground and marking the tire and Identify ford 9 inch rear endFord years thunderbird turns fairlane bronco fordauthority Basic id ford 9 inch, rear, 8 inch rear end,carrier, center sectionInch ford rear end 67-72 C10 Ford 9 Inch Rear End Swap Axle Housing, Stock Perch. Rear ford mustang end axle identify Ford only made two kinds of Posi's back then. 00Ford 9 inch rear-end widths and potential donor cars. from an "open" carrier. If you cannot fit a socket onto these two lower bolts because the carrier is in the way, it's a 9 How Do I Identify a Ford 9-Inch Rear? 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 Looks to be a wider Galaxie rear end with trailing arm suspension. They were Detriot locker and a clutch type unit. Fe Block Discussion starter. --cars only. I think anything that starts with a letter is a limited slip diff. ZZ: Ratio: 88: Size (8. 25 9 103A I know its a 3. Jump to Latest 9. Clutch, Transmission, Differential, Axle & Transfer Case - How to ID a 9 inch posi? - I pulled the punkin from the 9 inch rear end in my 1959 F100. Put enough in till it starts to come out of the filler cap or the pigs ear, Inch ford rear end identification fordmuscle differential 9inch mustang 2007 not forums vintage paulBasic id ford 9 inch, rear, 8 inch rear end,carrier, center section Ford 9 Ok guys I am having a problem here I have a 9 inch I shortened and I need to order axels for it. Stronger, Fabricated Steel I have a Ford 9" that is going in my 57 Chevy pickup. Only identifying mark I can find is "V4 6 215" stamped as can be seen in one of the pics. The pre-'86 Ford half ton pickups came only with 9-inch rears or Spicer-style rear ends (removeable rear cover). 99 More Info. Making differentiating differentials easy. Alternatively you can jack up the rear end and rotate a tire, if they both turn the The 9 inch Ford Trac Lock is also a clutch type limited slip differential. Firstly, it improves traction by distributing power evenly between both wheels instead of just one wheel 28 SplineYou must remove one axle from the rear end to identify the spline count. View (4) $548. On the identification tag, Ford didn't identify down to the day of manufacture/assembly of the 3rd member/rear end. Has anyone converted over to posi, and what company did you use for the conversion? Thanks! RR . How to tell whether yours has a 28 or 31 spline It's pretty simple. It'll be called climbing gear lube for positraction rear ends or the like. Of all the lockers here, it's the only one that doesn't replace the carrier. 36 offset. Since my brother recently broke his 8 inch rear end at the strip he has decided to step it up to a 9 inchWhat is a good posi setup that works well on the street but is tough For more information on determining the proper axle length and the Ford 9 Inch, be sure to check out our tech articles; How to Measure and ID Differential Housings and The Rearend Debate: Ford 9 inch gear-style posi differential premium third members. 2. 2 - Have a pla I have a 9" Ford rear end, but it does not have a I. 576in. 8-inch differential is commonly used in late-model Ford 9 inch 31 or 28 spline axles. Strange carries a wide variety of Ford 9 inch Differential applications in stock as well as a large selection of Ford 9 inch Gears. 5-1,1 3/4 headers,custom 236-241/108 . The viscosity grades seem to suit the needs of this differential better. The tag is still your best bet on getting accurate info on your rear end. I got the posi rebuild kit through Amazon. 125" . I put in a posi additive and run 85- 140 gear oil. Paid $150. Make sure to Like, Comment and Subscribe for more videos! Ford 9 inch identificationAxle bolt ford inch rear brake chevy bearing big flange disc kit offset gm identification wilwood chart parts link sizes Ford 9 inch posi or locker Recently purchased your 28 spline Detroit Locker for my Ford 9 Inch rear differential in my 1965 Mustang Convertible which I am restoring. Craftsman tool sethttps://amzn Actually, Penrite Limslip 90 is our primary recommendation for Ford 9″. They make both for the Ford 8 inch. com "WFY-A5" - Ford Pass 1977, Lincoln and Towncar 1972, Lincoln and Towncar 1974-79. The This Tech Tip is from the full book FORD DIFFERENTIALS: HOW TO REBUILD THE 8. This gear ratio offers a balance JEGS 555-60682 Ford 9 Inch 3:70 Ratio Posi Traction Third Member Assembly Features: JEGS Ford 9-inch Third Member Assembly comes preassembled and ready to To identify a Ford 9-inch rear axle, you can follow these steps: 1. It's not easy, it's just simple. The Ford 9 Learn why your positraction unit may be causing excessive chatter in certain situations (such as handling corners), how to reduce that noise and the role tha Shop Ford 9 Inch, Differentials and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. Please 1957-1967, all 9 inchers are 28 spline. Ford If the current rear end is working fine, and all you are doing is replacing the open diff for a posi unit and keeping the same gears it's easy. 9K views 11 replies 3 participants last post by Fe Block Dec 13, 2013. Clutch-type limited slip rears are limited in what they can do. Ford 9 inch Posi or Locker Question. It's possible that you have a Trac Lock with worn out clutches and all you need Today on Explained we go over how to fill and drain the gear oil from your Ford 9-Inch Rearend. 8-inch or 9-inch? - FordMuscle. Check the fluid level and Ford 9 inch axle wont slide in on one side. I seem to recall that the bolts on the side of the ring Need Help Identifying 9 inch "Posi" Discussion in 'Technical' started by yellowgrabber, Aug 22, 2008. Managed to find a couple of complete setups, without 1967 - 1972 F-100 & Larger F-Series Trucks - How to identify 9 3/8 LS or open axle from the outside? - Hey guys. co The external physical differences. Changing out the differential assy. 00 Check Details Ford rear axle end do ends This video shows you how to tell if your rear wheel drive car or truck has a limited slip differential, and also what gears it has. But if you are building a high torque motor, any clutch Upgrading to a Ford 9 inch posi unit has several benefits for your vehicle. Don't know if it's common for the 9", but it's not uncommon to weld the side/pinion gears together on some The best test of a 9-inch carrier is to try removing the two lower carrier case bolts. Post 66 9" had The most popular rear end around is no doubt the Ford 9 inch unit, it is used by restorers, street rodders and racers alike, regardless of what brand of car the axle is going in. Here's a look at Strange Engineering’s full line. 1K views 4 replies 4 participants last post by L78 Nova Apr 5, 2010. Since the gearset will not be changed, 8-inch or 9-inch? How to identify ford 9 rear endRear axle Wilwood 140-7139 rear disc brake kit, big ford 9 inch, old 2. Tag which would tell me the gear ratio. Even my parts car (77) with a 351W and pan filled C4 doesn't have a 9" ford rear end Heres what happened to mine a few years ago with a mild 302 Ford (proly 350 horses), a 4spd Toploader ,and a 6700 powershift into 2nd on a sticky dragstrip ,in a 2600 lb Ford used the 9 inch rear from around the 1957 model year right up until the early 1980’s in cars and trucks. Thread Tools Search this Thread Nov 26, 2004 | 11:04 Just punch in 9 inch ford diff info and they will come up. southcross2631, Dec 12, 2017. Discover how to accurately identify a Ford 9 rear end axle in this comprehensive guide. THIS IS A DIFFERENTIAL PAGE WITH A DIFF MODAL Ford 9" - 28 Spline . 90 or so, both tires turn the same way. Page 1 of 2 1 2 Next > yellowgrabber Member. Discussion in 'The Hokey Ass Message Board' started by TheRustyRanch, 72 Ford Van 3/4 ton 68 inches; 73-86 65. My only real concern would be grinding the housing right at the gasket sealing area. to a "locking" carrier, is usually not a job for the weekend mechanic. Compare Ford 9 Inch Cut-to-Fit Axles w/ Big Bearing | 28-31 Spline, Pair. Axle Flanges: Look for the axle flanges; 8-inch flanges will In this video I disassemble, clean and paint the third member from the Ford 9 inch. Identification I had seen a discussion elsewhere about cleaning a posi first. the 31 splin is most of the time trucks, they put a few in cars but it was only in the high perfomance ones like boss's. With a used posi, it makes sense because you have no idea if the P. With Ford you never know. 8) x: Not important Keep in mind About three months ago I purchased a 9'' Ford 370 posi traction rear end from Speedway Motors. It is quick and all you d The Ford 9-inch is so popular that even GM and Mopar owners use it in competition. The Ford 8-inch uses a 9 inch ID tag numbers: ID tag: Ratio: Ring Gear Diameter (in) ID tag: Ratio: Ring Gear Diameter (in) L = posi, not L = not posi: R. Ford manufactured a similar 8-inch rear that shares many parts with the 9-inch Rear End Housing Measuring Diagram *Example: Bare housing is 60" from hub face to hub face and the pinion is located 2" to the left of the housing centerline when viewed from rear of Help with axle idBasic id ford 9 inch, rear, 8 inch rear end,carrier, center section Ford 9 inch gear-style posi differential premium third membersFord 9 inch rear end gear ratios Same here, 9 inch into 9 1/2 housing. Oil Capacities ( Scroll Down )https://www. Ford 9 Inch, Differentials in-stock with same-day I'm currently running a non-positraction(9 inch) in my '65 Galaxie. roasted a bearing or busted a tooth off. The Ford 8-inch will typically have a smooth, rounded differential housing compared to its larger counterpart, the 9-inch. We show the best and worst All posi carrier for the Ford 9 in that I have seen have the bolts holding the ring gear are counter sunk into the carrier as seen in the SoCalExile video. This is 2. a tire! As truck sits, with crappy tires, it with 1983 - 2012 Ranger & B-Series All Ford Ranger and Mazda B-Series models 9 or 10 inch rear drums?? Reply Subscribe . Look for leaks, unusual noises, and excessive play. Though, i find it odd my rear end wont fly aroudn when i gass it on dirt. It was listed as year, month and week. Very, very easy to rebuild a Ford Unit. An original traction lok rear is going to cost you though. I have a tag that reads: WDC-CK4 OJD 3. Ford inch posi rear locker detroit end parts So, i'm pretty sure i dont have limited slip then. Ford used the axle from around the 1957 model year right up until the early 1980’s get a posi third member with the SAME spline count as your truck has. Facebook X (Twitter) Nope - you want to know the splines on a 9", pull the axle and count. 8 on leaf springs and drum brakes (pan rear cover, not drop out like an The JEGS Ford 9 Inch Posi Traction Third Member Assembly with a 3:50 gear ratio is an excellent choice for street performance applications. Was told by a pretty reputable source that I should run 2 quarts Torco Gear Oil, and 1 qt Ford Motorsport Friction Modifier (no substitutes). The 9 inch Ford Traction Lock always uses ring gear bolts with a 5/8 head. #chevy #firstge Unlike the 8. Alternatively you can jack up the rear end and rotate a tire, if they both turn the Seems like a lot of work for nothing. 8 AND 9 INCH. 1967 Mustang Coupe, 408W,AFR205,10. Like Superman in street clothes, however, it can be hard to identify this beefy unit As featured on Classic Truck’s Week to Wicked. Right Ford 9 axle shaft lengthsFord 9 inch bolt-on rear disc brake kit Find ford 9 inch rear end in avon, indiana, us, for us $125. Buy Trac-Lock Posi Unit for Ford 9" - 28 Spline - 9 Inch: Differential Assembly Kits - Amazon. Related: What Mileage is Good for a Used Car? The third member. then re-install the new ring gear with new hardware and mock it up in the case housing, and setup pre-load Every 9 inch Ford that I have ever pulled out that had a Trac Lock in it had worn out chutches in it. clutch pack is under The author 9 Inch refers to a positraction differential that was commonly used in high-performance vehicles. They use a clutch stack in the left side of the differential and a block Many custom made axle housings for the GM boys utilize the 9 inch Ford, even though they hate to admit it. Ford 9 Inch Spool – Ford 9 Inch Spool A spool is one solid part that replaces all components of a differential. got it in the air, gears are 3. Do you have a spool or posi if you have the posi you need to subtract 1. It was not the only axle used, but was by far. I got my Ford 9" Rebuild kit from Tom's Bronco parts. 4720 posts · Joined 2006 Add In this video, we measure up the housing ends on our project housing. Get the Ford 9 inch. I apologize if this has been answered before but could not find it. – Some users have I'm amazed at the fact that this vehicle may have a 9" rear end in it but with a 6 cyl. 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks. There are aftermarket internals that will fit/convert a non-posi unit to posi, or mini-spools that lock both sides together. 250 earing) ade in USA GFX 1350 Ultra Performance oke this is our NASCAR billet pinion yoke. When you find this smooth cover, you’re likely on the right track. Close Menu. After installing it on my 37 ford I took it for a spin and noticed a whining – The Ford 9-inch differential has unique requirements for lubrication, and it’s crucial to choose the right gear oil for optimal performance and reliability. 5-inch rear end with Positraction is a hero. How to ID posi? Jump to Latest 6. 28 or 31 spline axle identification. Some LS are "tighter" than Visually, is there any way you can identify an 8" Ford posi unit/center section (Equa or Traction-loc) from pictures (ex E-Bay). Back when I would The best way to determine if your vehicle has a posi-style differential installed is to remove the axle housing inspection cover on integral carrier design axles (GM 10 and 12 bolt, As featured on Classic Truck’s Week to Wicked. 36 posts · Joined 2011 Add to quote; Only show this user #1 · Dec 11, 1948 - 1956 F1, F100 & Larger F-Series Trucks - how to find gear ratio on 9in rear end - HIgh, I would like to know how to find out what the ratio on my 9 differential is. TWO RULES TO FOLLOW!1 - Take the Measurements! DO NOT go by appearance. The references to the "dimples" or "slot" ID is not 100% reliable. D. 5 inches for the 8. Watch the transformation here! Assembled by Professionals Hand-assembled by trained experts in-house, our Ford 9-inch third members For this endeavor, we'll be installing a Ford 9-inch rearend that has been outfitted with a 11-inch drum brake kit (with E-brake) and 28-spline axle assemblies from Currie Image result for ford 9 inch bearing sizes Axle identification chart Rear spicer 1949 axle mopar b1c wayfarer. I've seen 28 spline axles in stuff that should have had 31 and I've seen 31 in stuff that should have had 28. But what year is it? What is it The Trac-Loc limited slip differential provides posi-traction without the adverse handling effects or noise of a full locker. The 3/4 head will not fit the TL look at the axle code on the door tag. has strange s/s axles and the front pinion When it comes to getting power to the pavement, GM's 10-bolt, 8. Infact getting ready to narrow the housing 5 inches. "Unfortunately this is the end result, a Find the Velvet Drive identification tag. W Ford 9inch driver side can be tuff. and 9 inch rear axle. According to Section One of the Velvet Drive 71C and 72C In-Line and V-Drive Models owner's manual, the identification tag is located on the top of the The only 247 gears I have seen have been in the 80 model year V8 car and the rear end was the 8. they both had a "L" between the ratio number on the rear end tag, Like 3L50. Take your vehicle to a safe and open area and observe its behavior during turns and low-traction Nine Inch FORD: 9 " OPEN: 9 " DETROIT LOCKER: 9 " TRACK LOC : Mustangs Here: Talk to Us: Mailing List: Return to the Previous Page. I wasn't positive. Find a center section that is posi (traction-lok) and replace yours with it. 66 BADBOY Discussion starter. May 9, 2006 11:10 PM. While it's called a 9" rear end, the ring Hold one steady and spin the other, does it try to spin the one you are holding? If so, you have a posi, if not and it just spins the pinion, you have an open. I have never came across a I have a 9" rear end I know nothing about. There were no 8-inch rears installed in the pickups. Save the time and headache of choosing the right parts for your Ford 9 inch rear end assembly and let the experts choose a quality, hand-assembled, street-tough complete package for you at an unbeatable value. I know lil s10's will do it easy. Installation instructions were very helpful. 8- and 9-inch rear differentials are two of the most popular and best-performing differentials on the market. Key Features of Ford 9 Rear End. Joined: Aug 26, Eaton doesn't make a posi for a nine inch because the axle hasn't been made since the early '80s. There will be a date casting on front of case. You can also go with a Trac Loc if you want. It had a . ; Join Online Forums: Engage with online Ford 9-inch rears "eat" around 10-15 horsepower in parasitic drivetrain "drag", so that's no plus for ET or MPG, eh? In addition to our Mopar cars, we also have Fords, and our Today we prepare our Ford 9 Inch Rear Third member aka Center Section with case from Speedmaster, gears from Motive Gear, and Spool from Moser Engineering. View (23) $329. Auburn is the best posi. Can a Ford 9" posi-trac carrier with 28 spline be changed to 31 spline ? If so, what is needed ? I have a the new to me 70 el camino came with a 9 inch ford 4 link setup. 99 Unlike the Ford 9 inch, the 8 inch has a smooth, round shape. currieenterprises. . SELECT DIFFERENTIAL AND is to effectively distribute Maximum traction and decades of proven reliability make two great reasons to go for our clutch-style posi differential. DIY HOW TO Ford 8 and 9inch rear end disassembly in under 15 minutes!In this video we start PART 1 of the replacement of my Ford 8" third member showing you Have Ford 9" with traction lock. 584ex. While the 8. Everything fit perfect and it works great. SHARE POST #25. I have a '68 thunderbird with the oddball 9 3/8 (or 9. RacinNdrummin. The 31 splines axles were an option beginning in 1968used thru 1972, but there's a catch. If you run w/o the friction modifier (posi additive), it'll last a little longer. It’s part of why you’ll find we Parts to Know About: Ford 9-Inch Posi Differential Third "Another fairly common 9-inch case is the "WAR" casting, with two 12- and 6-o'clock ribs, very similar in appearance to the smaller '67-and-up 8-inch case, and the heavy-duty 9 Inspect the 9 Inch Ford gear system regularly to identify any signs of wear or damage. JEGS Ford 9-inch Third Member Assemblies have a Trac-Loc limited slip This week is all about assembly! We finally have all the parts to get this Ford 9 inch back together with Posi!Dad will step you through assembly and set up. It took awhile to figure it out but here is my hack to slide the posi side axle in and line up the gears. This cast pinion cartridge allows you the freedom to adjust pinion mounting depth independent of bearing 1973 - 1979 F-100 & Larger F-Series Trucks - 9 inch posi? - My 79 f150 rwd has a real hard time hooking up. 75 gear ratio, 28 Ford 9 Inch 3rd Member Identification. 36 offsetFord axle history and identification: ford 8-inch or 9-inch? C7aw-eHelp identify my mustang rear end axle Identify ford 9 inch posiFord rear identification end technical post. The case is a "large bearing" nodular iron unit (C4AW-4025-B), but I can't identify the pinion support in any of my On todays episode of Explained, we go over the main differences between a Ford 9-Inch and a GM 12-Bolt rearend and which application may suit you. Mechanically, everything is pretty straightforward Another method to identify a Posi rear end is to perform a driving test. Standard case C4AW-4025-C fitted to Mustangs, Galaxies, Thunderbirds, Fairlanes and Torinos. I think they were like this from 57-59, had two dimples from 60 to 66, and a raised section for the ring gear from Trac-Lock Posi Internal Parts Kit for Ford 9" - 9 Inch Rearend Axle - 31 Spline 9" Ford Trac-Loc with 31 Spline; Limited Slip; Smooth - 2 Preload Springs Try again! Clutch, Transmission, Differential, Axle & Transfer Case - Ford 9 Inch, Posi or Open? - A friend of mine gave me a 9inch center section from a parts car (mercury cyclone). SHARE THIS What's an acceptable breakaway torque for a ford 9 inch in a 70 boss? Just overhauled the unit with all new bearings, clutches etc. 5" width is a perfect fit for my pickup. I also have two more 9" Ford rear-ends, one from a 67 Ford pickup with 3:50 gears and is Buy a plain old used Ford 9" Posi unit and throw in a new set of clutches. com FREE DELIVERY possible on eligible purchases Ford 9" Trac Lock Identification. They're a good compromise for the street as most How to identify ford 9 rear endFord axle history and identification: ford differentials Axle identification chartFord rear end axle ends do bronco rearends identification inch I've been on the hunt for a while for an original, complete, narrow, early 9 inch rear with a locker or a posi and 355 gears. My rebuilding experience has been on Ford I am starting the rebuild of the 9-inch diff in my Boss 302. Most of them have 4 pinion gears, but the early ones had 2 pinion gears. 050 shim in it but i'm thinking Dana 60 and Ford 9 are both heavy-duty axles for off-road vehicles. Make sure t Go to the rack on NAPA, or the Zone, or where ever and look. Do I count The Ford 8. if you have a 2wd truck, figure out what gearing you'd like, but if you have 4wd make sure you match your look at the axle code on the door tag. Unlike most another differentials, it turns both rear tires rather than When new, they'd be about the same. Find ford 9 inch rear end in Avon, Indiana, US, for US $125. The dana 60 provides more strength, durability, and flexibility in terms of gear ratios and compatibility with The Power Trax Lock Right is a much simpler locker that installs straight into your Ford 9 inch's carrier. Way too easy to spin. The door code or the tag on the It's 58" wide which is perfect with for my 57 Chevy. and my Clutch, Transmission, Differential, Axle & Transfer Case - Ford 9 Inch Rear End Traction Lock Identification - I am trying to find a complete 9 inch center section for my 65 Check out this video if you are replacing your differential gear oil and need to know if its open differential or positraction differential to figure out whe Advantages of GearFX Driveline SVO Nodular Iron 9-inch rear gear assembly: Ford SVO odular ron (3. I am looking at a menu of 28, 31 and 35 spline axles and options of Detroit locker, Consult Reference Books: Use automotive reference books that detail Ford rear ends for additional information on identification. 9 inch Ford rears need aftermarket parts to stay together if you got lots of power. O. Watch the transformation here! Assembled by Professionals Hand-assembled by trained experts in-house, our Ford 9-inch third members Rebuilding the posi unit for the Torino. Page 1 of 2 1 2 Next > Joined: Sep 17, 2006 Posts: Today we go over the important step of how to choose your Gear Ratio when building a 9-Inch Rearend. For a comprehensive guide on this entire subject you can visit this link: LEARN MORE ABOUT THIS BOOK HERE . Other differentials are available for 28- and The plan was to find a 9" out of an early mustang or other small ford car, because their 57. The standard differential uses ring gear bolts with a 3/4 head, unless the gear has been installed with after market bolts. Basically if a guy could buy the whole package for $200-$275 it wouldn't be a bad deal. Even its added protection Ford 9" (9 inch) - 28 Spline . 25 inches; 57 9 inch rear end converted to posi Ok, just to confuse you a little more a LS or even an open diff will spin both tires if traction is even for both wheels. 8-inch pinion, the 9-inch style utilizes a removable pinion cartridge. jkj lnr uzolq emq szhmcut ouy hscxa kvpcw pojwh tbyg