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Old 02-11-2018, 05:39 PM   #4
SouthKak_Mach1
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Join Date: Dec 2015
Location: Sierra Vista, AZ
Posts: 132
Re: How Much Power Can Mach 1 Auto Transmission Handle?

From what I've gathered from searching through old posts on M1R, the 4R75W transmission in my Mach 1 can handle 750 ft lbs of torque at the transmission (700 ft lbs for the 4R70W). If this is correct, I should be fine. Only looking to make about 600-630 RWHP with P1X Procharger kit and forged rotating assembly. If I decide to turn up the boost later on, I'll start looking at upgrading the transmission.
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2004 Ford Mustang Mach 1 (DSG), Borla Stingers Catback, C&L CAI, SCT X4 Custom Tune, Black Chrome Rovos Durban Wheels (18x9 F, 18x10.5 R) on Nitto NT05s (275/35/18 F, 295/35/18 R), Pioneer AVH-4200NEX Receiver, MM C/C Plates, Rolled Rear Fenders, Eibach Sportlines/Struts/Shocks, Raxiom Smoked Taillights/Third Brake Light/LED Bulbs, Clear Headlights w/ Black Housing, Polished Aluminum Interior Accents, 30% Window Tint, Tinted Side Markers, Carbon Fiber Valve Stem Caps, Black Shorty Antenna
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