 The stock HEI rebuild was...  The stock HEI rebuild was next, and we converted it to MSD's new computer module for more reliable ignition. We also replaced the cap, coil, rotor, and wires with MSD's new parts. |  Some of the truck's old accessories...  Some of the truck's old accessories had to be reused, so we cleaned parts like the thermostat housing and reinstalled them. |  The Edelbrock Performer intake...  The Edelbrock Performer intake manifold is equipped to use the factory choke heat tube, but the new Performer Q-Jet carb uses an electric choke. We sealed the opening with the included block-off plate. |
 We screwed these EGR hose...  We screwed these EGR hose fittings from the original exhaust manifold injector tubes into the new Hedman headers. |  Autolite spark plugs with...  Autolite spark plugs with 5/8-inch hex and gasket seats were coated with anti-seize and screwed into the heads next. |  Some last-minute, throttle-linkage...  Some last-minute, throttle-linkage adjustments to the Performer Q-Jet carb and we're ready to dyno. |
 You can't keep corrosion completely...  You can't keep corrosion completely out of the cooling system, but how about giving it something to stick to besides your radiator? We installed this trick radiator cap from Rad Cap Products which is designed to sacrifice itself and keep corrosion out of your cooling system. |  Some of the other editors...  Some of the other editors in the Tech Center couldn't believe their eyes after the first dyno pull revealed 400 lb-ft. They immediately ran out and bought their own dualies to try and beat our figures. | |