The muscle cars that I own have all been upgraded with tires, suspension, transmission and engines. Itâs the thing to do to make the cars more enjoyable. I have kept the non-muscle cars in original condition for judging at car club Concours and I prefer them that way. It all depends upon your use of the vehicles.
In the United States Senate, the majority leader is the chief spokesperson for the majority party, as the president of the Senate is ex officio the Vice-President of the United States, and the President pro tempore is a largely ceremonial position.
The Majority Leader leads the majority party in the Senate, decides official party positions, helps organize Senate arguments and negotiations, decides when it is and is not necessary to invoke the Majority Whip to hold Senators to the majority party line and to determine consequences if Senators vote against their party's platform, etc, etc.