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The warden's calling for diagnostics for "Detroit Muscle"'s next prisoner, a 1969 Pontiac GTO.

The 1969 Pontiac GTO needs to bulk up before breaking; the team modifies the chassis and installs new fuel lines.

Project Henchman is hoping to get a new look with a new paint job that'll make this '69 Pontiac GTO shine.

Prisoners love their chains, and Project Henchman is no different; on this episode, the 1969 GTO gets a shiny new exterior look.

The boys finally lay down some paint on their '69 GTO.

Tommy and Joel install a new third pedal and show you the dos and don'ts on how to bleed the transmission.

The guys enter the winding maze of wiring as they install a new ECU on Project Henchman.

GTO gets new exhaust and wheels, plus learn how to adjust wheel offset.