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3.55 Rear End 2018 GT PP1 A10 5.0 Torsen?

hornedfrog

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Is the 3.55 Rear End 2018 GT PP1 A10 5.0 a Torsen? On the manual car it says Torsen 3.73 on the window sticker but not on this automatic. Is there a Non- Torsen 3.55?
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hornedfrog

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Thanks, but is the 3.55 a Torsen?
 

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hornedfrog

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Okay, I am confused. Does it have to see Torsen on the window sticker? Is there a regular version that is just limited slip?
 

Bald Menace

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the list of what comes in the 2018 Performance pack cars
Go on the Ford website and build and price the Mustang. You can see the all the features of every option package. Copied from the website, PP is:

• 19" X 9" (F) 19" X 9.5" (R) Ebony Black-painted Aluminum
• 255/40R19 (F) 275/40R19 (R) Summer Only Tires
• Brembo ™ Six-Piston Front Brake Calipers with Larger Rotors
• "Engine Spun" Aluminum Instrument Panel
• Gauge Pack (Oil Pressure and Vacuum)
• Heavy-duty Front Springs
• K-Brace
• Larger Radiator
• Performance Rear Wing (Fastback Only)
• Silver Painted Strut-Tower Brace
• Spoiler Delete (Convertible Only)
• TORSEN® Differential with 3.73 Axle Ratio (Manual)
• TORSEN® Differential with 3.55 Axle Ratio (Automatic)
• Unique Chassis Tuning
• Unique EPAS, ABS and Stability Control Tuning
• Upsized Rear Sway Bar
 
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hornedfrog

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the list of what comes in the 2018 Performance pack cars
Go on the Ford website and build and price the Mustang. You can see the all the features of every option package. Copied from the website, PP is:

• 19" X 9" (F) 19" X 9.5" (R) Ebony Black-painted Aluminum
• 255/40R19 (F) 275/40R19 (R) Summer Only Tires
• Brembo ™ Six-Piston Front Brake Calipers with Larger Rotors
• "Engine Spun" Aluminum Instrument Panel
• Gauge Pack (Oil Pressure and Vacuum)
• Heavy-duty Front Springs
• K-Brace
• Larger Radiator
• Performance Rear Wing (Fastback Only)
• Silver Painted Strut-Tower Brace
• Spoiler Delete (Convertible Only)
• TORSEN® Differential with 3.73 Axle Ratio (Manual)
• TORSEN® Differential with 3.55 Axle Ratio (Automatic)
• Unique Chassis Tuning
• Unique EPAS, ABS and Stability Control Tuning
• Upsized Rear Sway Bar
Thank you!
 

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gamecoc430

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Looks like I was wrong. For 2018 it appears the 3.55 is a Torsen. Changed from 2017 as the 3.55 was a non-Torsen LS diff.
 

rtg

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FWIW, The TORSEN is the carrier or differential. The ring gear and pinon set the gear ratio. I don't have the part numbers of each TORSEN for auto or manual in front of me. It is likely it is the same part for either transmission.

Rob
 

coman2403

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I had wondered the same thing. Everywhere I looked told me the 18 PP A10 had a Torsen 3.55, but it wasn't called out on the window sticker that way, however it was clearly stated as Torsen on any 18 manual PP window sticker.
 

DR_

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Can one of you with the automatic PP 3.55 Torsen go look under your car at the case (pumpkin) and see if the part facing the front of the car is aluminum or iron. Should be easy to tell as the iron ones get surface rust really quickly but a magnet could tell you as well. Usually the automatics have aluminum and manuals get iron but since the Torsen is on the automatic now I wonder if they gave it the heavier duty iron case.
 

DickR

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Can one of you with the automatic PP 3.55 Torsen go look under your car at the case (pumpkin) and see if the part facing the front of the car is aluminum or iron. Should be easy to tell as the iron ones get surface rust really quickly but a magnet could tell you as well. Usually the automatics have aluminum and manuals get iron but since the Torsen is on the automatic now I wonder if they gave it the heavier duty iron case.
My GT PP with MagneRide A10 has a black painted iron (per "magnet test") housing with torsen diff.
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