The largest change for the '92 model year was a revision of the base engine.
The 150 came only with the base engine in 1953.
(The 198 was relatively rare, available as the base engine only from 1969-1973).
The Mustang continued to use the 200 as its base engine until it was dropped in 1971.
The base engine was now the Buick 350 with a 4-barrel carburetor.
The 428 cost only $86 over the base engine, and was a popular option.
A four-cylinder base engine and an optional V6 are available.
The base engine also received a slight bump up to 245-bhp.
The base 265cid engine saw an increase from 170 to 185 horsepower as well.
The base engine was a 235-cubic-inch 6, but most came with 283 V8's.