Performance Automatic PA45103 4R70W Super Comp Transmission - Engine Builder Magazine

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Performance Automatic PA45103 4R70W Super Comp Transmission

Engine Builder
By Engine Builder
Published:

Performance Automatic transmissionPerformance Automatic takes a state of the art approach to putting a “Ford in a Ford” for those who choose a Big Block 429-460 Ford engine and want to run the extremely durable 4R70W Ford Overdrive transmission. Performance Automatic has a new version of its 4R70W Super Comp Trans; the PA45103 is sporting a new custom designed steel SFI Pro Fit Bellhousing (PA45500) which will accept all torque converter configurations and an OEM style starter and flexplate.

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The PA45103 4R70W Super Comp Trans has Perfromance Automatic’s full manual transbrake with valve body with manual lock up and overdrive controls, no transmission controller required. Inside this Trans we use Raybestos Racing Clutches, a large overdrive servo, hardened stub shaft, Raybestos Pro Series Wide Band, special drum and diode, a deep aluminum pan and Kolene Steels. This 4R70W Super Comp Trans is rated to handle over 750 horsepower! From Street to Strip, the PA45103 is what you need to put your Big Block Ford into Overdrive.

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By Greg Jones
Greg Jones is Content Director and Editor of Engine Builder Magazine.
Published:

With almost 1,300 configurations available, chances are good Summit Racing has the RaceTec Racing or AutoTec piston that fits your engine build. It’s like getting custom pistons right off the shelf.

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