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Recent content by Optimum Performance

  1. Check those axle nuts (2020 w/11k miles)

    https://www.opmustang.com/store/p426/Axle_Hub_Jam_Locking_Nut_-_Rear_2015-2023_S550_Mustang.html#/
  2. Has Anyone Installed J&M Rear Upper Strut Mount on Magneride Shocks?

    Sorry, long time since I put them in, do not use the spacer, stick shock through, install the larger of the two collared spacers from the top, install nut. that should locate the shock stem and give you plenty of thread. The shock stem seats directing into the shock mount.
  3. Has Anyone Installed J&M Rear Upper Strut Mount on Magneride Shocks?

    The spacer goes in the bottom of the shock mount, the insert goes in the top of the shock mount. Remove the factory piece.
  4. Has Anyone Installed J&M Rear Upper Strut Mount on Magneride Shocks?

    What does the threaded section down to your finger measure in mm?
  5. 2nd transmission replacement

    10 speeds need to be put together is a surgically clean environment. The OEM ones are done in a sealed room. Bad things usually happen when they get taken apart and set on random shop rags. The replacement transmission should have had its own warranty?
  6. Service advance track and steering assist fault service required lights on

    Have you ever noticed your brake lights staying on intermittently? Not sure it effects your model year but it causes similar problems and is a very quiet recall. I currently have a zip-tie in there. The little bumper disintegrates over time making it get worse. Then when it fails completely...
  7. Recommendations: rotors/brake pads

    The rotors are in stock at most dealers, not on national back order. I show 23 front rotors available same/next day locally to me, 12 rear rotors. That's just from one of my warehouses.
  8. Recommendations: rotors/brake pads

    The G-LOC suggestions are inaccurate. R14 pad is for Formula Ford cars, not heavy high HP cars. Not sure where the recommendation for not using R8's or R10's on the front came from, those a massively popular. Not everyone is trying to win an HPDE trophy.
  9. G-Loc Brakes

    I see zero wrong with those pads.
  10. G-Loc Brakes

    Pictures help, but if you put the backing plates on a flat surface and they are flat, it's just expansion and contraction. Curbing and clearance issues can bend a backing plate via the brake pedal. Depending on the pads, the majority are molded since late 2023. They use a patented backing plate...
  11. 315's on rear of 550

    Yes they do. Eventually I'll have the time to take a picture on the car. They fit front and rear with the correct offset.
  12. Front hubs for 2022 GT 300A Base

    Just buy the knuckles from your local Ford Dealer and our Hubs. We have a love hate relationship with Ford parts, we usually lose money because they change prices constantly.
  13. Front hubs for 2022 GT 300A Base

    Yes, 100% not the same as the GT350 / Magride hubs. Will not bolt up.


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