The Difference Between a Hot Rod and a Street Rod

erms “hot rod” and “streetand removing the muffler. By the mid 1930’s the
rod” are used interchangeably by many people,Great Depression was in full swing, and through mid
but there are some technical differences between the1945 World War II was happening, and the hot rod
terms. As the words suggest, street rods are generallyscene was basically dormant.
street legal and do not race in sanctioned races.Things would completely change after World War II as
The street rod was born during the 1950’s asthe hot rod scene ignited all over America, not just
engine and racing technology took some major leapsCalifornia. Soldiers were returning home from war with
forward in a small amount of time, and many hot rodsnew-found mechanical skills, extra money, and the
were now too dangerous to be street legal. The hotcraving for adrenaline. California was also a staging
rod actually split into a multitude of categories in theground for the Pacific war and millions of men would
1950’s, so knowing some of the history of thebe stationed or trained there, and hot rod stories and
hot rod will help explain the difference between thesepictures were shared by many California men to
two terms.others from around the country. By the early
Hot rodding started in the 1920’s in California,1950’s hot rods were starting to be a serious
where millions of cars had been sold by the middle ofissue in cities, with racing happening everywhere.
the decade. Young men could buy a cheap used car,The NHRA (National Hot Rod Association) was
and parts were cheap and plentiful to turn these intofounded in 1951 to discourage street racing. By the mid
racing machines. Groups would meet up in the salt1950’s there were sanctioned races around the
flats in central California for evening racing. Most ofcountry, and the popularity exploded. Advances in
these cars were Model T’s powered by theirengine technology now made a race car so fast that
tiny 20 horsepower engines. To increase speed andthey could not be driven on the streets. Soon there
acceleration, the cars were stripped down to the barewould be “funny cars” and other types
minimums. This included removing any extra panels,of race cars that did not resemble the earlier hot rod.
running boards, ornaments, headlights, etc. This was theRacing in these leagues was also very expensive, so
beginning of the hot rod look as we know it today, withmany still held onto the street rod as these were now
exposed engine bays. These first cars were not calledcalled. Looks and style started to match the
hot rods at the time. They were nicknamedimportance of performance, and a new type of car
“gow jobs”.would branch off the street rod. It was the
By the 1930’s, engine technology was rapidly“custom” car, which basically took a
changing and the fun racing was now turning seriousstock car of any model and heavily customized it to
and sometimes deadly, with speeds of over 100 mphbe a one of a kind.
being achieved thanks to Ford’s newest engine,So there are the technical differences between a hot
the flathead V8. This engine produced 80 horsepowerrod and street rod, but you can interchange these
from the previous 20, but hot rodders quickly learnedterms as many people do. A street rod is always a
how to tweak the engine to produce around 160street legal hot rod, but not all hot rods are street legal.
horsepower. This was achieved by adding multipleSome hot rods can only race on racetracks due to
carburetors, straightening and shortening the exhaust,their heavy modifications.