Mechanicals
The engine gets the glory. The rest of the car still has to shift, steer, stop, hook, cool itself, meter fuel, make spark and survive whatever the driver decides to do next.
That is what Mechanicals is for. Transmissions and rear ends live here, but so do carburetors, steering systems, suspension pieces, brakes, ignition hardware, cooling tricks and the odd engineering solution that does not need a whole Learning Center chapter to be interesting.
As this section grows, those subjects can split into their own child hubs. For now they belong on the same workbench.
Transmissions & Power Delivery
Mopar put the A833 behind everything from ordinary V8s to 440s and Hemis, and the four-speed built its reputation by surviving exactly the kind of treatment those engines encouraged.
The M22’s straighter gear-tooth angle improved strength and reduced thrust load. It also produced the unmistakable whine that gave the transmission its famous nickname.
Rear Ends, Differentials & Traction
A removable center section, stout pinion support and enormous aftermarket made the Ford 9-inch useful far beyond the cars Ford originally put it under.
An open differential can leave one tire doing most of the smoking. Limited-slip hardware gives the other tire a chance to contribute when traction starts disappearing.
Carburetors & Fuel Delivery
Tiny primaries gave the Quadrajet good street manners. Open the enormous secondaries and the same carburetor could feed serious cubic inches without apologizing for anything.
Controls, Clever Ideas & Mechanical Oddities
Chrysler moved the gear selector off the steering column and onto a row of dashboard buttons, turning an ordinary transmission control into one of the most recognizable mechanical quirks of the era.
Bottom Line
Mechanicals is the short-form hardware bench. The Learning Center explains the whole system. These pages pick one transmission, one differential, one carburetor, one steering idea or one strange piece of engineering and explain why anybody cared about it.
If it bolts to the car and does a job, there is probably a Shop Talk story hiding in it.