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1981 GMC G2500

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Replacing a G-Body 7.5" Bolt Rear End

Replacing a G-Body 7.5" Bolt Rear End

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Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

Updating the brakes on a '51 Deluxe

Updating the brakes on a '51 Deluxe

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In this Tech Tip, John makes a few suggestions for a customer looking to update the braking system on his ’51 Deluxe.

Selecting Axles for a 1931 Model A

Selecting Axles for a 1931 Model A

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In this Tech Tip, John answers a customer question about finding the right axle length for his 1931 Model A.

Ignition Upgrades for Classic Mopar Muscle

Ignition Upgrades for Classic Mopar Muscle

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Bringing an old Mopar back to life isn't always a breeze. Fortunately, MSD has come up with a solution for those outdated and unreliable points-type ignition systems. Find out how to install a MSD 8386 distributor and MSD 5531 spark plug wires

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