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differential

  1. Florida Sold: 2015-2017 Ford Mustang s550 Iron Differential with 3.31 gearing

    For sale is a fresh and rebuilt steel/iron tracloc differential for 2015 to 2017 S550 Ford Mustang GT manual MT82 cars only, with a 331 gearing ratio and a 113MM flange. Rebuilt using Steeda Ford Performance Mustang 8.8" Ring and Pinion Installation Kit. I have an extra 110MM flange to go with...
  2. Mustang differential ratio calibration question

    Hello i have a mustang gt 2015 mt82 manual tranmission My rear diff is 3.31 ratio but has got a humming sound I want to buy a used differential maybe considering buying a 3.55 or 3.73 ratio My question is 1. Can i just swap the differential without calibration of the guage cluster if i dont...
  3. Suggestions on car service products

    Hi to all, I would like to do a full car service to my 2016 Ford Mustang GT/CS and I would also like to change the differential oil together with the automatic transmission oil. This is because I do not know when and what the previous owner did on this car. I bought the car from USA and I'm...
  4. 15 S550 Boosted Re-Gear options?

    Hey Guys, I have a 2015 Mustang Gt with the 6m MT82 Trans So I have been driving this car Mainly for Drag Racing, I occasionally do some local cruising with minimal hwy but some roll racing as well. I have been fighting Launches at the track car seems to bog fall flat then pick up so 60ft has...
  5. KellTrac’s Level 2 S550 Mustang IRS Bushing Upgrade Kit!!

    KellTrac’s all new Level 2 S650 Mustang IRS Bushing Upgrade Kit is now available here at Lethal Performance! This kit positively locates the rear IRS Subframe, Differential, Knuckles AND the rear lower control arms within the chassis, overall stiffening the rear end, especially under more...
  6. Best diff gears for boosted A10? 3.15?

    ESS G3 w/ G4 intercooler (100mm pulley), Midnight Stg 2+ built A10R80 w/ circle d converter (rated 1300whp), LP triple pump fuel system, ID1050 injectors, full exhaust, full BMR/Viking drag suspension. Tuned by Lund currently running 3.55 gears as the car came with them, but I see A LOT of-if...
  7. Diff Bolts BMR RH017 vs Steeda

    Looking for an OEM++ style replacement/upgrade when I swap in a Torsen diff. https://www.bmrsuspension.com/?page=products&productid=1764&superpro=0 https://www.steeda.com/s550-diff-bushing-12.9-hardware-upgrade-kit.html Is the BMR the kit to go with here since it has the sleeves? Doesn't look...
  8. Help Diagnosing Damaged Differential

    Need some help diagnosing my damaged differential. Wanted to see if any experts in here might know what is wrong since I know next to nothing about differentials. Car is a 2015 mustang gt, 6r80 with the 3.15 differential. ~125k miles on diff. Started noticing noise when going from drive to...
  9. Texas Sold: 3.31 iron differential

    $250 plus shipping obo Came out of a 2016 GT with 75k miles Includes rebuild kit for bearings and seals. Needs pinion, so likely could work for auto or manual from 15-17.
  10. Texas Sold: 3.73 torsen diff from 2015 mt82

    $600 plus shipping obo Came out of My 2015 GT with 50k miles Changed because I'm switching to 3.31 gears. Had no issues with it.
  11. Differential and Rear Subframe Bushings, HELP NEEDED!

    Okay, so I am doing differential and rear subframe bushings because my differential bushings were extremely bad. I went ahead and picked up the bmr bushings for both. So far, I was able to get the rear subframe and differential out with no problem, but getting the bushings out is another...
  12. 2019 Ecoboost Premium Dragging Sound in Rear When Turning At Slow Speeds

    Hey everyone, I have a 2019 Convertible Ecoboost Premium, with around 96k miles. For the last month, each time I take a sharp turn at slow speeds (ex. during parking) I get a dragging sound in the rear, and sometimes there's a little vibration in the steering. I have no issues or sounds when...
  13. Hard clank and power loss when flooring

    2015 mustang gt premium, 6r80, 3.15 diff, bmr drag springs, fbo e85 cam, nitto nt555r2 305/35R19 tire Recently I took my rear seats, passenger seat, and trunk spare tire cover out of the car to see if the weight difference was noticeable. What I did end up noticing is sometimes when flooring...
  14. North Carolina Loaded 3.31 Rear Differential - TractionLOK - Manual

    Loaded 3.31 rear differential for sale - Iron housing. TractionLOK / Clutch pack LSD. Pulled from a 2015 mustang GT manual so this has the 113mm pinion flange. This will only mount up to a driveshaft that has the matching pinion flange (or you can swap pinion flange/driveshafts). Miles: 52k...
  15. 2020-2022 Shelby GT500 differential gear fluid change - how to video!

    In this video, I show the workshop manual and walk through how to change the diff fluid on a 2015-2023 Ford Mustang S550 with a differential cooler.
  16. Roadcourse Willow Spring 2015 PP GT

    Planning to go to streets of willow soon. For those people who track their cars. Any recommendations, regarding engine oil that i should use? Or will stock work just fine? Im going to use Motul RBF 600 for brake fluid. I have a 2015 Mustang GT PP with FP power pack 2, and FP track handling...
  17. ISO. Pinion Seal replacement instructions.

    Looking for instructions , PDF, step-by-step, etc.. about replacing my pinion seal myself. I've done numerous things on my car myself , but for some reason I'm not as confident with this.lol. I've searched numerous threads on here but just cant find the answers I'm looking for.
  18. Michigan Sold: 2019 PP Torsen 3.73 differential Loaded Iron like new - PRICE DROP !

    I got this off a 2019 GT PP with only 2k miles on it. I never got around to installing it due to CoVID and other stuff so it's essentially like new Differential Housing Torsen Loaded Iron With 3.73 Gears. Manual flange $600 obo. I'd prefer local pickup
  19. Differential and MT-86 fluid change procedure

    I'm about to change the rear differential and the MT-86 fluid for the first time. Is there any special procedure I should follow or do you just fill both on level ground until the fluid starts dripping back out of the filler hole? I have a performance pack equiped 2017 Mustang Ecoboost. It's an...
  20. Ohio Sold: 3.73 Differential (pumpkin) SOLD

    $500.00 plus shipping Shelby takeoff purchase. This is the 3.73 factory diff option on PP. Only a few hundred miles on differential from time of removal for a shelby build. Never installed and only removed from original shipping crate to take photos for sale. It looks and is basically BRAND...





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