Chevy Silverado 3500 HD 4L70E Parts

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Chevy Silverado 3500 HD

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Week to Wicked Product Feature: Performance Automatic 4L70E

Week to Wicked Product Feature: Performance Automatic 4L70E

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Speedway Motors and Classic Trucks reached out to Performance Automatic for a 4L70E to help move the 1952 Chevy Week to Wicked build in honor of Speedway Motors' 65th anniversary.

Speedway Motors Week to Wicked Day Three: The LS3/4L70E Drivetrain Install Wrap-Up

Speedway Motors Week to Wicked Day Three: The LS3/4L70E Drivetrain Install Wrap-Up

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Day Three is in the books of the Speedway Motors Week to Wicked 1952 Chevy build. Progress today included putting the engine and tranny where they belong and continued work on the wiring.

Speedway Motors Week to Wicked Day Four: High Voltage; Stringing Up the Chevy’s Wiring Harness

Speedway Motors Week to Wicked Day Four: High Voltage; Stringing Up the Chevy’s Wiring Harness

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Day Four of the Speedway Motors Week to Wicked 1952 Chevy build starts off with a whole lot of wiring.

Upgrading a 700R4 Transmission - 1967 Chevelle

Upgrading a 700R4 Transmission - 1967 Chevelle

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Follow along as Jeff installs an early 700R4 transmission for the big block in his 1967 Chevelle. See how this unit is upgraded and converted to a later 30 spline style.

How to Adapt LS Engine to 700R4 or Turbo 350 Transmissions

How to Adapt LS Engine to 700R4 or Turbo 350 Transmissions

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We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

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