Just how quick were the 273 Commando's in the Quarter-Mile.
More 'Back-in-the-Day' Tricks
Performance Tips, without getting into the Engine
Remove the Battery from the Engine Compartment.
Install a 'Heavy-Duty' Battery in the trunk compartment, over the back right rear-end.
'Drag-Shocks' 50/50 {Rear Shocks}
Remove Front Sway-Bar
Fuel Cool-Can
Stewart-Warner Electric Fuel Pump
Air Conditioning Water-Pump
7-Blade Fan
Viscous Fan-Drive
Heat-Riser {3/4"} > between Intake Manifold and Carburetor
Heat Cross-Over Copper Shield {between Intake Manifold and Cylinder Head}
Carburetor Velocity Stack
Carter AFB Carburetor {One size up Secondary Jets, and re-set Pump Shots}
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While it didn't look like a lot, those 'Performance Tips' would knock off nearly
4/10's off a good running '273 Commando'.