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Hot rod (14373 views - Cars & Motorbikes & Trucks)

Hot rods are typically old, classic American cars with large engines modified for linear speed. The origin of the term "hot rod" is unclear. For example, some claim that the term "hot" refers to the vehicle being stolen. Other origin stories include replacing the engine's camshaft or "rod" with a higher performance version. The term has broadened to apply to other items that are modified for a particular purpose, such as "hot-rodded amplifier".
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Hot rod

Hot rod

Hot rods are typically old, classic American cars with large engines modified for linear speed. The origin of the term "hot rod" is unclear. For example, some claim that the term "hot" refers to the vehicle being stolen. Other origin stories include replacing the engine's camshaft or "rod" with a higher performance version.

The term has broadened to apply to other items that are modified for a particular purpose, such as "hot-rodded amplifier".


Some automotive historians say that the term originated with stolen vehicles being refitted with another engine and repainted. In the early days of automobile manufacturing there was no identical matching transmission, body frame, and engine numbers. It was possible to change engines and repaint the car or truck and in effect turn it into a different vehicle and thus it became near impossible to prove that the vehicle was stolen. The term "hot" was equivalent to being stolen. The term "rod" was equivalent to any motorized vehicle. Even today, the Ontario Ministry of the Environment in its vehicle emissions regulations, refers to a "hotrod" as any motorized vehicle that has a replacement engine differing from the factory original.[2] Another possible origin includes replacement of the camshaft with a new ("hotter") version, sometimes known as a hot stick or hot rod.[citation needed] Roadsters were the cars of choice because they were light, easy to modify, and inexpensive. The term became commonplace in the 1930s or 1940s as the name of a car that had been "hopped up" by modifying the engine for higher performance. A term common in the early days was "gow job". This has fallen into disuse except with historians.

The gow job morphed into the hot rod in the early to middle 1950s.[3]


Late 1930s–1950s

The term seems first to have appeared in the late 1930s in southern California, where people raced modified cars on dry lake beds northeast of Los Angeles under the rules of the Southern California Timing Association (SCTA), among other groups. The activity increased in popularity after World War II, particularly in California, because many returning soldiers received technical training in the service. Many cars were prepared by bootleggers in response to Prohibition to enable them to avoid revenue agents ("Revenooers"); some police vehicles were also modified in response.[4]

The first hot rods were old cars (most often Fords, typically Model Ts, 1928–31 Model As, or 1932-34 Model Bs), modified to reduce weight. Typical modifications were removal of convertible tops, hoods, bumpers, windshields, and/or fenders; channeling the body; and modifying the engine by tuning and/or replacing with a more powerful type. Speedster was a common name for the modified car. Wheels and tires were changed for improved traction and handling. "Hot rod" was sometimes a term used in the 1950s as a derogatory term for any car that did not fit into the mainstream. Hot rodders' modifications were considered to improve the appearance as well, leading to show cars in the 1960s replicating these same modifications along with a distinctive paint job.

Typical of builds from before World War Two were '35 Ford wire-spoke wheels.[5]

Immediately postwar, most rods would change from mechanical to hydraulic ("juice") brakes and from bulb to sealed-beam headlights.[6]

Engine swaps often involved fitting the Ford flathead V8 engine, or "flatty", in a different chassis; the "60 horse" in a Jeep was a popular choice in the '40s. After the appearance of the 255 cu in (4.2 l) V8, because of interchangeability, installing the longer-stroke Mercury crank in the 239 was a popular upgrade among hot rodders, much as the 400 cu in (6.6 l) crank in small-blocks would later become. In the 1950s, the flathead block was often fitted with crankshafts of up to 4.125 in (104.8 mm) stroke, sometimes more.[7] In addition, rodders in the 1950s routinely bored them out by 0.1875 in (4.76 mm) (to 3.375 in (85.7 mm));[7] due to the tendency of blocks to crack as a result of overheating, a perennial problem, this is no longer recommended.[8] In the '50s and '60s, the flatty was supplanted by the early hemi. By the 1970s, the small-block Chevy was the most common option, and since the '80s, the 350 cu in (5.7 l) Chevy has been almost ubiquitous.[9]

Post WWII origins of organized rodding

After World War II there were many small military airports throughout the country that were either abandoned or rarely used that allowed hot rodders across the country to race on marked courses. Originally drag racing had tracks as long as one mile (1.6 km) or more, and included up to four lanes of racing simultaneously. As hot rodding became more popular in the 1950s, magazines and associations catering to hot rodders were started. These were led by Hot Rod Magazine" which is the oldest magazine devoted to Hot Rodding started in January 1948. As some hot rodders also raced on the street, a need arose for an organization to promote safety, and to provide venues for safe racing. Hot rodders including Wally Parks created the National Hot Rod Association (NHRA) to bring racing off the streets and onto the tracks. They created rules based on safety and entertainment, and allowed Hot Rodders of any caliber the ability to race. The annual California Hot Rod Reunion and National Hot Rod Reunion are held to honor pioneers in the sport. The Wally Parks NHRA Motorsports Museum houses the roots of hot rodding.

The mid-1950s and early 1960s custom Deuce was typically fenderless and steeply chopped, and almost all Ford (or Mercury, with the 239 cu in (3,920 cc) flatty, introduced in 1939[10]); a Halibrand quick-change rearend was also typical, and an Edelbrock intake manifold or Harman and Collins magneto would not be uncommon.[11] Reproduction spindles, brake drums, and backing based on the 1937s remain available today.[12] Aftermarket flatty heads were available from Barney Navarro,[13] Vic Edelbrock, and Offenhauser. The first intake manifold Edelbrock sold was a "slingshot" design for the flatty.[14] Front suspension hairpins were adapted from sprint cars, such as the Kurtis Krafts.[15] The first Jimmy supercharger on a V8 may have been by Navarro in 1950.[16]

Brookville Roadster was one of the first companies to reproduce car bodies in steel..[17]

1960s rise of the street rod

As automobiles offered by the major automakers began increasing performance, the lure of hot rods began to wane. It was no longer necessary to put a Cadillac engine in a Ford roadster to be fast. It was now possible to buy a muscle car that outperformed nearly any hot rod, with more passenger room, and without having to expend the effort of building and tuning the car oneself. After the 1973 Oil Crisis, the public called on automakers to offer safety and fuel efficiency over performance. The resulting decrease in an average car's performance led to a resurgence of hot rodding, although the focus was on driving hot rods over racing so the term 'street rod' was coined to denote a vehicle manufactured prior to 1949, often with a more reliable late model drive train. Street rodding as it was now known was a different phenomenon than hot rodding, as street rodding was mainly family-oriented. National events were hosted by the National Street Rod Association (NSRA), which also stressed safety as the NHRA did 20 years before. Each NSRA event has a 'Safety Inspection Team' that performs a 23-point inspection process beyond normal State Safety Inspections.

In the mid-1980s, as stock engine sizes diminished, rodders discovered the all-aluminum 215 (Buick or Olds) could be stretched to as much as 305 cu in (5 l), using: the Buick 300 crank, new cylinder sleeves, and an assortment of non-GM parts, including VW & Mopar lifters and Carter carb.[18] It could also be fitted with high-compression cylinder heads from the Morgan +8. Using the 5-liter Rover block and crank, a maximum displacement of 317.8 cu in (5,208 cc) is theoretically possible.[19]

Modern rodding

There is still a vibrant hot rod culture worldwide, especially in Canada, the United States, the United Kingdom, Australia and Sweden. The hot rod community has now been subdivided into two main groups: street rodders and hot rodders.

In modern culture


There is a contemporary movement of traditional hot rod builders, car clubs and artists who have returned to the roots of hot rodding as a lifestyle. This includes a new breed of traditional hot rod builders, artists, and styles, as well as classic style car clubs. Events like GreaseOrama feature traditional hot rods and the greaser lifestyle. Magazines like Ol' Skool Rodz, Gears and Gals, and Rat-Rods and Rust Queens cover events and people.

In the media

Author Tom Wolfe was one of the first to recognize the importance of hot rodding in popular culture and brought it to mainstream attention in his book The Kandy-Kolored Tangerine-Flake Streamline Baby.

There are magazines that feature traditional hot rods, including Hot Rod, Car Craft, Rod and Custom, and Popular Hot Rodding. There are also television shows such as My Classic Car, Horsepower TV, American Hot Rod, and Chop Cut Rebuild.

In Sweden and Finland

Locals in these countries, influenced by American culture, have created a local hot rod culture which is vibrant in Sweden and Finland where enthusiasts gather at meetings such as Power Big Meet and clubs like Wheels and Wings in Varberg, Sweden have established themselves in Hot Rod culture. Since there is very little "vintage tin" the hot rods in Sweden are generally made with a home made chassis (usually a Model T or A replica), with a Jaguar (or Volvo 240) rear axle, a small block V8, and fiberglass tub, but some have been built using for instance a Volvo Duett chassis. Because the Swedish regulations required a crash test even for custom-built passenger cars between 1969 and 1982, the Duett option was preferred, since it was considered a rebodied Duett rather than a new vehicle.[1][2][3][4][5][6]

Some 1950s and 1960s cars are also hot rodded, like Morris Minor, Ford Anglia, Volvo Amazon, Ford Cortina, '57 Chevy, to name but a few. These are known as custom cars (sometimes spelled Kustom).


Certain linguistic conventions are followed among rodders and customizers:

  • The model year is rarely given in full,[20] except when it might be confused, so a 1934 model is a '34, while a 2005 might be an '05 or not.
    • A '32 is usually a Deuce and most often a roadster, unless coupé is specified, and almost always a Ford.
  • A 3- or 5-window is usually a Ford, unless specified.
  • A flatty is a flathead V8[21] (always Ford, unless specified); a late (or late model) flatty is probably a Merc.
  • A hemi ("hem ee") is always a 426, unless displacement (331, 354, or 392) is specified;[22] a 426 is a hemi, unless Wedge is specified.
  • A 392 is an early hemi.
    • A 331 or 354 is known to be an (early) hemi, but rarely referred to as such
  • Units are routinely dropped, unless they are unclear, so a 426 cubic inch (in³) engine is simply referred to as a 426, a 5-liter engine is a 5.0 ("five point oh"), and a 600 cubic feet per minute (cfm) carburetor is a 600. Engine displacement can be described in cubic inches or liters (for example, a 5.7-liter engine is also known as a 350 {"three fifty"}); this frequently depends on which units the user is most comfortable or familiar with.

Common terms

  • 3/4-race — high-performance flatty cam, suitable for street and strip use
  • 3 deuces — arrangement of three 2-barrel (twin-choke) carburetors; distinct from Six Pak and Pontiac and Olds[23] Tri-Power[24] (also 3x2 arrangements)
  • 3-window — 2-door coupé; so named for one door window on each side plus the rear window[25]
  • 5-window — 2-door coupé; so named for one door window and one quarter window on each side plus the rear window[26]
  • 97s (“ninety-sevens”) — reference to the model number of Stromberg carburetors[27]
  • A-bone — Model A coupé[28]
  • Alky — alcohol (methanol) racing fuel
  • Altereddrag racing car, or the category it runs in
  • Anglebox - British slang for a '59 to '68 Anglia[29]
  • Awful Awful (mainly North American) — AA/FA ("double A" Fuel Altered) racing car[30]
  • Back-halved - a bodied drag racing car that has had its stock rear suspension removed and replaced with a four-link or ladder bar rear suspension, and narrowed rear axle. This arrangement allows for larger tires and better adjustability.
  • Bagged - the use of air suspension to raise and lower the car[citation needed]
  • Big tire - a drag racing car running large rear tires usually over 29" tall and wider than 10.5"
  • Blower — mechanically driven supercharger; excludes turbochargers. Commonly a Roots.[31]
  • Blown
    • An engine equipped with a supercharger (a "blown hemi");[32] rarely used in reference to turbocharged engines
    • A vehicle equipped with a supercharged engine (a "blown higboy")
    • A wrecked engine or transmission
  • Blue oval — Ford product (for the Ford badge)
  • Bondo — brand name for a body filler putty, often used as a generic term for any such product
  • Bored — increased the diameter of the cylinders in order to increase engine displacement ("He bored the engine"); having had the diameter increased ("the engine was bored")
  • Bottle — nitrous tank
  • Bowtie — Chevrolet product (for the badge)[33]
  • Boosted — a car that has a turbocharger or supercharger[citation needed]
  • Bugcatcher (or bugcatcher intake) — large scoop intake protruding through hood opening, or on cars with no hood.
  • Bump in — the act of staging a drag car by moving forward in short increments or "bumps" while a transbrake or light foot brake pressure is applied. A transbrake equipped car uses a "bump box" to momentary unlock the transmission allowing it to creep short distances. This is often done by turbo cars in order to build boot while staging, but can also be done by non-turbo cars to shallow stage to increase roll out.
  • Bumpstick — camshaft (for the lobes)
  • Burndown — intentionally slowly staging a car for a drag race in order to throw the other driver off his game, or to cause the opponents car to build excess heat.[citation needed] Also called a staging duel
  • Cam — camshaft
  • Cammer
    • most commonly, the SOHC (single overhead camshaft) version of the 427 Ford V8.[34]
    • sometimes, the Ford Racing Power Parts 5-liter.[35]
    • rarely, any engine with overhead camshaft(s).
  • Channelled — a car lowered by having the floor removed and reattached; also, to have done so
  • Channeling — removing the floor and reattaching it to the body at a higher point, thus lowering the car without suspension modifications. Sometimes known as a "body drop".
  • Cheater slicks (also "cheaters") — soft compound tires with just enough tread added to make them street legal (not usually in singular)[36]
  • Cherry — like new[37]
  • Chipped — fitted with a modified ECU or PCM.
  • Chop — removing a section of the roof pillars and windows to lower the roofline
  • Chopped — also "chopped top"; to have top chopped
  • Chopping — executing a roof chop
  • C.I.D. (sometimes Cubic Inches or Inches) — cubic inches displacement
  • Crank — crankshaft
  • Cubes — CID
  • Cubic inches — CID
  • Cutout — a short leg of the exhaust system that exits to the side of the car and typically in front of the driver. The cutout can be operated manually or remotely from the drivers seat. Hot rodders typically use cutouts on hot rods that are used on the street and the strip. The cutout is closed for street use and open for drag racing on the strip.
  • Deuce
  • Digger — dragster: only applied to rails, slingshots, or fuel cars[40]
  • Dual quads — two four-barrel carburetors
  • Dragster
    • broadly, any vehicle modified or purpose-built for use on strips.
    • specifically, specialized racers (early or recent types, in gas, alky, or fuel varieties)
  • Door slammer (doorslammer, door car[citation needed]) — A drag racing car that retains its stock body with functioning doors or the appearance of a stock body with functioning doors. Some classes of door slammers are Pro Stock, Pro Modified, Real Street, x275, and Outlaw 10.5.
  • Dyno queen — a car that puts up impressive power numbers on a dynomometer but doesn't perform well when actually raced.
  • Elephant — Chrysler hemi[41]
  • Fabricate - create a part no longer be available;[42] create any part from scratch
  • Factory Freak - an unmodified car that seemingly makes more power than or is much quicker than the average for its year, make, and model.
  • Fat-fender — 1934-48 (U.S.) car[43] (Most common usage is to refer to '41-'48 inclusive, with '35-'41s called "pontoon fenders".)
  • Flager (street racing) —the person who stages and starts the race, usually by an arm drop or flashlight.[citation needed]
  • Flamed — painted with a flame job
  • Flatty — flathead engine[44] (usually refers to a Ford; when specified, the Mercury-built model)
    • 3/8s by 3/8s — lengthening the stroke and increasing the cylinder bore 3/8 inch. A term only applied to flattys.
  • French — to install headlight or taillight slightly sunken into fender
  • Frenched — headlight or tallight slightly sunken into fender;[45] to install as such ("she frenched the taillights")
  • Fuel
    • most commonly, nitro (or a mixture of nitro and alky)[46]
    • the top drag racing class (which runs on nitro)[47]
    • broadly, gasoline (petrol)
  • Fuelie
    • (originally) the 1957 Corvette fuel injected engine, or the car itself ("the fuellie 'vette")
    • (commonly now) any fuel injected engine
  • Fueler — any drag racing car run on nitro, or in a nitro class
  • Full-race — high-performance flatty cam, suitable only for strip use
  • Gasser — car used in gasoline-only drag racing classes in the 1960s (as opposed to alcohol or nitromethane fuels), where the front end of the car is raised along with the motor. Characterized by a body that sits well above the front wheels. Distinct from hiboy.
  • Gap — To win a race by at least a car length[citation needed] ("That GTO put the gap on that Mustang.")
  • Gennie — genuine[48]
  • Giggle gas — nitrous oxide
  • Goat — GTO (not the Ferrari or the Mitsubishi)
  • Grenaded — to break a part into pieces ("When I missed that shift it grenanded my transmission.")
  • Hair dryer — turbocharger (for the shape of the intake and exhaust casings)
  • Hairpins — radius rods on axle suspension systems[49]

Hang (or pull) the laundry — to deploy a braking parachute[50]

  • Header — variety of exhaust manifold.
  • The hit — giving someone in a drag race the option to movie first.[citation needed] Sometimes "the move".[citation needed]
  • Hopped up (also "hopped") — stock engine modified to increase performance
  • Huffer — supercharger,[51] especially of the Roots type.
  • Inches — CID
  • Indian (also "Tin Indian") — Pontiac (for the grille badge)
  • Jimmy
  • Jimmy Six — GMC straight 6
  • Juice — nitrous oxide[citation needed]
  • Juice brakes — hydraulic brakes[52]
  • Kits — multiple nitrous oxide systems ("How many kit's are you spraying?")[citation needed]
  • Lakes pipes — exhaust pipes running beneath the rocker panels, after use by lakes racers
  • Laundry - parachutes used to slow drag racing cars[53]
  • Lope — exhaust note produced by of a high-duration cam
  • Louvers — cuts in the sheet metal of the body with a narrow raised section on one side of the cuts to create a small window. Used to release air from engine compartments, or often merely for esthetics
  • Lowering — reducing the ride height (or ground clearance)
  • Lunched — wrecked; caused to be wrecked ("lunched the transmission")
  • Mag
    • magnesium wheel, or steel or aluminum copy resembling one such
    • magneto
  • Merc — Mercury
  • Mill — any internal combustion engine
  • Moons (or Moon discs; incorrectly, moon discs) — plain flat chrome or aluminum disc hubcaps, originally adopted by land speed racers. Smaller examples are "baby Moons". Named for Dean Moon.
  • Mopar — any car or engine sold by Chrysler Corporation; from the name of the parts, service, and customer care organization
  • Mouse — small-block Chevy[54]
  • Mountain motor — large-displacement engine. Named for their size, and for being constructed in the mountains of Tennessee and North Carolina.[55] In organized automotive competition, the term commonly references a V8 engine displacing more than 500 cubic inches; informally, a V8 engine displacing more than 560 cubic inches
  • The move — giving someone in a drag race the option to movie first.[citation needed] Also "the hit"[citation needed]
  • Nail — any car used as a daily driver[citation needed]
  • Nailhead — Early Buick V8, named for relatively small diameter valves
  • Nerf bar — a small tubular or solid T-shaped or decorative bar that acts as a bumper.
  • Nitro — Nitromethane, used as a fuel additive in some drag cars
  • Nitrous — nitrous oxide
  • NOS
    • New Old Stock, stockpiled parts of models no longer produced, not previously available for retail purchase. (More common among customizers than rodders.)
    • Nitrous Oxide System (a.k.a. laughing gas, liquid supercharger, N
      , nitrous, "the bottle"): apparatus for introducing nitrous oxide into the air intake of an engine prior to the fuel entering the cylinder.
  • Nosed — as in "nosed & decked": removal of any hood (bonnet) or trunk (boot) ornaments, the filling of holes, and painting as a smooth clean surface.
  • Pickoupe — car-based light-duty pickup, from "pickup" & "coupé"
  • Pinched — narrowed and lengthened body, usually at the nose[citation needed]
  • Pop
  • Plod
    • (British) body filler
    • (British) traffic police (after PC Plod in Enid Blyton's Noddy series)[citation needed]
  • Ported and polished — enlarging and smoothing of the intake and exhaust port surfaces of performance engine cylinder heads to facilitate the ease of movement and increased volume of the engine gases.
  • Port-matching — the lining up of the intake manifold, cylinder head ports and exhaust headers as to create one continuous smooth course of travel for engine gases with no ledges or obstructions.
  • Prepped — a track or road that has been treated with various chemicals to increase traction
  • Pro Street — street legal car resembling a Pro Stock car. Some are very thinly disguised racers.
  • QJ — Quadrajet (Rochester 4-barrel carburetor)[56]
  • Q-jet — Quadrajet[57]
  • Rail
    • dragster with exposed front frame rails.[58] Usually refers to early short-wheelbase cars, and not usually to Altereds.
    • (drag racing) guardrail
  • Rail job
    • dragster with exposed front frame. Usually refers to early short-wheelbase cars, and not usually to Altereds.
  • Rat
  • Redline — maximum safe rev limit; to operate an engine at that limit ("redline it", "redlined it")
  • Rockcrusher — Muncie M22 4-speed transmission[60] so called because of the audible differences in operation between the model M-22 and its lower strength but quieter cousin, the M-21[citation needed]
  • Rocket — Oldsmobile, in particular their early V8s
  • Rolled pan — Contured sheet of metal covering the space where the bumper used to be
  • Sandbagger — a driver who intentionally drives slower than his car is capable of or lets off before the end of the drag strip to give the illusion his car is slower than it is to lure people into racing.
  • SBC — small-block V8 (Chevy)
  • SBF — Small block Ford V8.
  • Sectioned — having sectioning ("the '49 was sectioned"); having performed a sectioning ("he sectioned the Merc")
  • Sectioning — removing of a horizontal center section of the body and reattaching the upper and lower parts
  • Shoebox — '49-'54 Ford (for the slab-sided appearance)
  • SkyJackers — airshocks used in the rear to jack up the backend to clear wider tires/wheels.
  • Slammed — lowering the car very close to the ground. Frequently accomplished with the use of air suspension.
  • Sleeper — a car that is disguised to look stock or in poor condition but is actually a very quick car.
  • Slick — soft compound tire with no grooves, designed only for drag racing. Usually much wider than normal street tires.
  • Slingshot — later variety of early digger,[61] named for the driver's position behind the rear wheels (not its speed)
  • Smack — Nitrous Oxide[citation needed]
  • Small tire — a drag racing car using rear tires generally no taller than 29" and no wider than 10.5"
  • Souped (or "souped up") — hopped up, performance improved (more common in '40s and '50s)
  • Spray — nitrous oxide[citation needed]
  • Snail —turbocharger, from the snail shell appearance of the housing
  • Steelies — stock steel rims[62]
  • Stovebolt — Chevy straight 6[63]
  • Straight axle — term for a car (often a gasser) that has had it stock A-arm style front suspension removed for leaf springs and a solid tube axle.
  • Street legal — dual-purpose car, capable of performing routine duties as well as weekend racing. Some cars described as such, such as Pro Street cars, are very thinly disguised racers.
  • Street-strip — dual-purpose car, capable of performing routine duties as well as weekend racing. Some cars described as such have very marginal off-track utility.
  • Strip
    • drag strip.
    • More broadly, cars or parts used or intended for racing only. Thus "street-strip" is a dual-purpose car.
  • Stroke — Engine stroke; to increase the engine stroke ("stroke it")
  • Stroked — increased stroke, to increase displacement, usually by adding a longer-stroke crankshaft
  • Suicided — door changed from front- to rear-hinged ("suicide") type
  • Tin Indian — Pontiac (for the grille badge)
  • Toploader — Ford 4-speed manual transmission,[64] so named because access to the transmission internal was made via an access panel located on the top of the transmission housing [65]
  • Track T — Model T roadster built in the style of a dirt track race car[66]
  • Traction bars —usually, a set of square tubes attached to the back axle via 2 U bolts before and after the axle housing leading forward with a rubber snubber at the top end allowing as the car takes off to limit axle wrap on leaf springs.
  • Trailer queen - a race car that isn't daily driven, is trailered to events, and sees little or no use other than on a race track.
  • Tubbed — A car that has had its stock rear wheel wells removed and replaced with larger ones to allow for wider rear tires.
  • Tunneled — deeply sunken into fender[67]
  • Virgin road— a stretch of road that has not been raced on or had traction increasing products used on it[citation needed]
  • Weedburners — short, downward-pointing exhaust pipes with no mufflers (similar to Funny Car exhausts), used for racing, or just for show (not street legal)[68]
  • Wombat — General Motors W series engine[69]
  • Wrinkle walls — drag racing slicks[70]
  • Zoomie pipes (or zoomies) — short exhaust pipes with no mufflers, used for racing, or just for show (not street legal)[71]

Some terms have an additional, different meaning among customizers than among rodders: NOS, for instance, is a reference to new old stock, rather than nitrous oxide.


See also

This article uses material from the Wikipedia article "Hot rod", which is released under the Creative Commons Attribution-Share-Alike License 3.0. There is a list of all authors in Wikipedia

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