Speed of Daily
Two weathered late-sixties coupes parked side by side in a lot at sunset, a dark green one with a mesh grille and a red one with a split grille, hills and a lake behind them.
Muscle Cars

1968 vs 1969 Camaro: How to Tell Them Apart, Engines and Value

How to tell a 1968 Camaro from a 1969: side markers, gills, taillights, gauges, engines by year, COPO 427s, production numbers and value.

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Three orange-painted V8 big-block engines on red engine stands in a sunlit workshop, two topped with chrome air cleaners and the middle one showing an open four-barrel carburetor.
Muscle Cars

Big-Block Chevy 396 vs 427 vs 454: Specs, Versions and ID

Chevy's Mark IV 396, 427 and 454 compared: bore and stroke, L78, L72, L88, ZL1, LS5 and LS6, the 402, which cars got them and how to ID one.

A weathered maroon long-hood semi truck with its hood tilted forward at sunset, showing a cream-colored inline six diesel engine, parked on a muddy lot beside a shop.
Big Rigs

Cummins Big Cam Engine: History, Specs and Ratings (855)

The Cummins 855 Big Cam explained: what the bigger camshaft changed, Big Cam I to IV years, NTC 350 and 400 ratings, trucks, rebuilds and the N14.

A dark blue long-hood semi with tall chrome stacks and a covered grain trailer parked on gravel in front of grain silos at sunset.
Big Rigs

Ford LTL 9000: History, Engines and How to Identify One

Ford's long-hood LTL 9000: Louisville Line history, AeroMax, Cat, Cummins and Detroit engines, the Freightliner sale and how to identify one.

A weathered dark blue and silver flat-nosed cabover tractor with amber roof lamps and a rectangular grille, parked on a wet truck-stop lot at sunset with a box trailer behind it and a fuel island in t
Big Rigs

International 9670 Eagle Cabover: History, Engines and ID Guide

The International CO-9670 replaced the Transtar II in 1981. Its Eagle trim, engines, the 9600/9700 family and why US cabovers faded.

A red conventional tractor with a chrome grille, round fender headlamps, polished bumper and twin stacks parked on grass at a truck show at sunset, other trucks behind it.
Big Rigs

Mack R Model: History, Engines, Variants and How to Spot One

The Mack R series, 1966 to 2005: R, RD, RL and RW Super-Liner variants, Maxidyne engines, the Maxitorque five-speed and how to identify one.

Three classic muscle coupes parked in a row at sunset with their hoods raised, painted lime green, purple and orange, with hills and a lake in the background.
Muscle Cars

Mopar Fender Tag Decoder: How to Read a 1960s-70s Tag

Read a Chrysler, Dodge or Plymouth fender tag: where it is, row order, paint codes like FJ5 and EV2, engine codes, VIN match and fake tags.

A black 1970s-style muscle coupe with wide silver hood stripes, a raised hood scoop and quad round headlamps, parked on grass at a car show at sunset.
Muscle Cars

Real 1970 Chevelle SS 454 or Clone? How to Tell

How to spot a real 1970 Chevelle SS 454: what the VIN can't show, cowl tag limits, LS5/LS6 engine suffix codes, build sheets and the Protect-O-Plate.

A dark green long-hood semi with tall chrome stacks hauling a yellow excavator on a lowboy trailer along a mountain highway, with snow-capped peaks behind.
Big Rigs

Cat C15 Engine: History, Specs, 6NZ vs ACERT and Problems

The Caterpillar C15 from 1999 to 2010: 6NZ, MBN bridge, twin-turbo ACERT and 2007 versions, horsepower, torque, common problems and why Cat left.

A weathered green V8 diesel with a blower and a chrome air cleaner in the engine bay of an older dark green truck, the hood tilted open beside a farm field.
Big Rigs

Detroit 8V92: Two-Stroke V8 Diesel History, Specs and Sound

How the Detroit Diesel 8V92 two-stroke V8 works, its displacement and horsepower ratings, why it screams, the Silver 92, and what replaced it.

A dark blue long-hood semi with a square chrome grille, tall chrome stacks and amber cab lights parked with a tarped flatbed at a wet truck stop under an orange dusk sky.
Big Rigs

Freightliner Classic and Classic XL: History, Specs, Engines

Freightliner Classic vs Classic XL: 120- and 132-inch hoods, Detroit Series 60, Cat and Cummins engines, sleepers, and how to identify one.

A dusty dark blue long-hood semi with tall chrome stacks and a grain trailer parked on gravel beside grain elevators and silos at sunset, next to railroad tracks.
Big Rigs

International 9300 Eagle: History, Specs and How to Identify One

International 9300 and 9370 long hoods explained: Transtar roots, Eagle trim, engines, set-back axle, the 9900i successors and what to check before buying.

A dark green long-hood truck spattered with mud hauling a full load of logs on a wet forest road, with misty mountains and a lake behind.
Big Rigs

Western Star 4900: History, Variants, Engines and Specs

Western Star 4900 guide: Kelowna roots, Freightliner ownership, EX, SF, SB and XD variants, engines, logging and heavy-haul work, and how to identify one.

A dark blue conventional tractor with a steeply sloped hood, wide rectangular grille and dual rectangular headlamps, parked in the rain at a truck stop with a silver trailer behind it.
Big Rigs

Kenworth T600 Anteater: History, Specs and How to Spot One

The 1985 Kenworth T600 'Anteater': wind-tunnel origins, the 22% fuel claim, set-back axle, T600A and T600B, engines and the T660 and T680 that followed.

Two semi tractors side by side at sunset on a grassy lot: a maroon truck with a sloped hood and headlamps in wide fenders, and a black long-hood truck with a tall square chrome grille and twin stacks.
Big Rigs

Peterbilt 377 vs 379: Aero Hood vs Long Hood Differences

Peterbilt 377 vs 379: years, sloped vs square hoods, set-back axles, engines, fuel economy, how to tell them apart and which is worth more.

Two long-hood tractors parked grille to grille on grass at sunset, a black one and a maroon one, both with tall chrome stacks, polished bumpers and sleeper cabs.
Big Rigs

Peterbilt 379 vs Kenworth W900: Differences and Which to Buy

Peterbilt 379 vs Kenworth W900: shared PACCAR roots, aluminum vs fiberglass hoods, how to tell them apart, engines, ride and resale.

A dark navy 1969-style Mustang fastback with a large hood scoop and round headlamps parked on a two-lane road, hills and an orange sunset behind it.
Muscle Cars

1969 Ford Mustang Boss 429: History, Specs, KK Numbers, Value

Why Ford put a NASCAR semi-hemi 429 in the Mustang: Kar Kraft conversion, specs, production numbers, KK number ID and what a Boss 429 is worth.

An orange V8 engine on a red engine stand in a sunny workshop, topped by two four-barrel carburetors, with polished finned valve covers and steel tube headers.
Muscle Cars

426 Hemi Engine: History, Specs, Cars and How to ID One

The 426 Hemi from its 1964 Daytona win to the 1966-1971 Street Hemi: specs, which cars got it, and how to verify a real Hemi car by VIN.

A green and white two-tone pickup parked on gravel beside a red barn and hay bales, with a wooden fence and the sun setting over fields behind it.
Trucks

Ford Dentside 1973-1979: F-100, F-150 and F-250 History

Why the 1973-1979 Ford F-Series is called the Dentside, the 1975 F-150 debut, engines from the 300 six to the 460, the Highboy, and year ID tips.

Two weathered classic pickups parked side by side in front of an old wooden gas station at sunset, a faded blue truck with round headlamps and a rusty red-and-white truck with dual headlamps, hills on
Trucks

Ford F-100 vs Chevy C10: Which Classic Half-Ton to Buy

Ford F-100 vs Chevy C10: engines, Twin I-Beam vs coil springs, bed styles, values and parts for the 1967-72 C10 and 1967-79 F-100.

A blue aero-hood semi tractor with a mid-height sleeper pulling a white dry van trailer on a highway through winter farmland with bare trees and a silo.
Big Rigs

Freightliner FLD 120: History, Engines, Sleepers and Buying Tips

The Freightliner FLD 120 explained: when it was built, which engines and sleepers it had, how to tell it from a Classic, and what one costs at auction.

Black-and-white AI render of a woman in a wool coat and cap driving an early open-cab stake-bed truck through a muddy small-town street, with a horse-drawn wagon behind her.
Big Rigs

Women in Trucking History: Pioneers From 1918 to the CB Era

Luella Bates, Lillie Drennan, the WWII drivers and the 1970s Coalition of Women Truck Drivers: how women earned their place behind the wheel.

A woman in a hooded jacket and yellow safety vest crouches by the front tire of a dark semi truck, checking the wheel with a flashlight on a frosted lot at sunrise, with other trucks and a fuel canopy
Big Rigs

Women Truck Drivers Today: Numbers, Safety and Getting a CDL

How many US truck drivers are women, what WIT and ATRI data show on safety and harassment, and how to get a CDL and start driving.

Two long-hood trucks parked nose to nose on grass at sunset: a black one with round headlamps and a maroon one with rectangular headlamps, both with tall chrome stacks and polished bumpers.
Big Rigs

Peterbilt 359 vs 379: Differences, Years and Engines

How to tell a Peterbilt 359 from a 379: windshield, turn signals, years, engines, why the 379 replaced it, and which is more collectible.

A flat-faced cabover with a striped cab and a long-hood conventional with a tall sleeper parked facing each other on wet gravel at dusk, with power lines and an orange sky behind them.
Big Rigs

Cabover vs Conventional Semi Trucks: Why Cabovers Faded

Why U.S. fleets ran cabovers, how length laws and the 1982 STAA ended their reign, the ride and maintenance trade-offs, and why Europe still uses them.

A close view of a worn gearshift knob with a flat top panel and a side button inside a dusty truck cab, with a large steering wheel, gauges, a cloth seat and a sunset through the window.
Big Rigs

Eaton Fuller 13-Speed vs 18-Speed: What's the Difference?

Eaton Fuller 13-speed vs 18-speed: how range and splitter shifting differ, which jobs suit each, the 10-speed baseline, and why automated manuals took over.

AI-generated render of three weathered two-tone pickup trucks parked in tall grass at sunset, the left one with round headlights and the other two with rectangular headlights
Trucks

Chevy Square Body Years: How to Tell 1973-1987 Trucks Apart

Round or square headlights? Silverado or Scottsdale? A year-by-year guide to dating a 1973-1987 Chevy square body, plus what K10 actually means.

AI-generated render of a box-trailer semi truck heading down a mountain highway with evergreen forest and a winding road in the valley below
Big Rigs

Jake Brake: How an Engine Brake Works and Why Towns Ban It

What a Jake Brake is, how a compression-release engine brake slows a diesel truck, who invented it, and why towns post 'engine braking prohibited' signs.

A dark green long-hood truck with its hood open, showing a yellow-painted inline-six diesel with a chrome air cleaner and polished intake pipe, other show trucks with chrome stacks lined up behind in
Big Rigs

Cat 3406 Engine (1973-1999): Versions, Horsepower, Specs

The Caterpillar 3406 from 3406A to 3406E: years, horsepower, mechanical vs electronic, which trucks used it, and what to check when buying.

A black long-hood truck with the hood open at dusk, exposing a large inline-six diesel with a turbocharger and big intake pipes, parked on a wet lot with trailers in the background.
Big Rigs

Cummins N14 Engine (1987-2001): Celect, HP and Specs

The Cummins N14 explained: mechanical, Celect and Celect Plus versions, horsepower and torque, trucks that used it, and what to check before buying.

A white truck with its hood tipped up inside a service bay, showing a dark inline-six diesel with a large silver intake tube and a turbocharger, tool chests along the back wall.
Big Rigs

Detroit Diesel Series 60 (1987-2011): Specs, HP and History

The Detroit Diesel Series 60: 11.1, 12.7 and 14.0 L versions, DDEC electronics, horsepower, the EGR era and what to check when buying a truck with one.

A mud-spattered dark red long-hood truck with its engine bay open, showing a red V8 diesel with a large turbocharger and a silver intake pipe, beside a stack of logs on a gravel yard.
Big Rigs

Mack V8 Diesel: E9, Maxidyne and Specs

Mack's V8 diesels from the 1962 END 864 and Maxidyne ENDT 865 to the 998 cu in (16.4 L) E9: horsepower ratings, trucks and a murky end date.

Two large diesel engines on rolling stands in a workshop, one painted yellow and one cream, each with a turbocharger on the side and worn, oil-stained paint, with tool chests behind them.
Big Rigs

Cat 3406E vs Cummins N14: Which Big Rig Engine Won?

Cat 3406 vs Cummins N14: years, displacement, power, mechanical vs electronic, what owners say, a note on Detroit Series 60, and why Cat left trucks.

A weathered red Mack long-hood tractor with chrome stacks pulling a trailer loaded with logs along a wet gravel road through a dark evergreen forest, mud on the front bumper.
Big Rigs

Mack Superliner (1977-1993): E9 V8, Specs and History

Mack's flagship conventional, 1977-1993: the R-series cab, Maxidyne sixes, the 998 cu in E9 V8, the Super-Liner II and its Australian afterlife.

A dark red long-nose Kenworth W900L with gold striping pulling a silver grain hopper trailer down a dusty gravel road beside a cornfield in late-afternoon light.
Big Rigs

Kenworth W900L (1990-2026): History, Specs and Sleepers

The Kenworth W900L (1990-2026): how the long-hood W900 began, W900L vs W900B, Studio sleepers, engines, the ICON 900 and the end of production.

A tan and white full-size Chevrolet Blazer with knobby tires parked on gravel beside a misty lake at sunrise, next to an olive canvas tent, a camp lantern, a cooler and a stone fire ring.
Trucks

Chevrolet K5 Blazer (1973-1991): Years, Engines, Specs

Chevrolet K5 Blazer, 1973-1991: the 1969 start, the 1976 half-cab, engines from the 250 six to the 6.2 diesel, and what to check before you buy.

A black long-hood Peterbilt 389 with twin chrome stacks and amber cab lights parked under a fuel station canopy at night on wet pavement, with trailers in the background.
Big Rigs

Peterbilt 389 (2006-2023): History, Specs and 379 vs 389

The Peterbilt 389 (2006-2023): why it replaced the 379, how to tell them apart, its engines, the 389X special edition and the end of production.

A cream and maroon cabover with a black-and-chrome grille and chrome bumper standing beside a weathered wooden grain elevator, with dust in the air, a grain trailer behind it and a cornfield in warm l
Big Rigs

International Transtar 4070 (1968-1981): History and Specs

The International Transtar cabover from the 1968 CO-4070A to the 1974 Transtar II 4070B: engines, how to tell them apart, the Eagle trim, and why it ended.

A blue cabover tractor with silver and red stripes parked in a truck-stop lot at night, its twin chrome stacks and amber cab-roof marker lights glowing in the orange haze of sodium lamps, with other t
Big Rigs

Peterbilt 362 (1981-2005): Cabover History, Engines and Specs

The Peterbilt 362 cabover (1981-2005): how it replaced the 352, its cab and engine options, and how the 1982 length law changed US cabovers.

A dust-streaked, pale-metal cabover pulling a dry van along an empty desert highway, with twin exhaust stacks, amber roof marker lights, guardrails and red-rock mesas in the distance.
Big Rigs

White Freightliner Cabover (1951-1970s): History and Specs

How Freightliner's aluminum cabover went from a Consolidated Freightways in-house truck to the White Freightliner sold nationwide, and how it ended.

A green classic long-hood conventional tractor with a cream side stripe hauls a flatbed of chained-down lumber around a curve on a mountain road, with pine forest and a rocky hillside behind it.
Big Rigs

Peterbilt 351 and 281 (1954-1976): Needle Nose History & Specs

The Peterbilt 281 and 351 needle nose conventionals: 1954-1976 history, single vs tandem drive, engines, the Duel truck and what replaced them.

A brown Chevrolet K10 4x4 pickup with round headlights driving toward the camera on a snow-covered forest road, headlights on, tires kicking up slush under a gray sky.
Trucks

Chevrolet K10 Square Body (1973-1987): Years, Engines, Specs

The Chevrolet K10 Square Body 4x4, 1973-1987: engine lineup, GM's first factory diesel, trim ladder, and how to date one by its headlights.

A light blue Ford F-100 with a white roof parked beside vintage gas pumps at a weathered small-town service station, other classic cars visible down the street.
Trucks

Ford F-100 (1953-1956): History, Engines and How to Spot the Years

The second-generation Ford F-100, 1953-1956: why the F-1 became the F-100, the grille that changed almost every year, and the 1956 wraparound windshield.

An orange-and-white Chevrolet C10 pickup parked beneath the glowing neon awning of a drive-in burger stand at night, its chrome grille and round headlights lit up against the dark parking lot.
Trucks

Chevrolet C10 1967-1972: The Action Line's History and Specs

The Chevrolet C10's 1967-1972 "Action Line" generation: engines, the CST and Cheyenne trims, and how to spot the year by the grille.

A weathered dark green Chevrolet 3100 Advance Design pickup parked inside a wooden barn, dust and cobwebs on the fenders, sunlight cutting through the barn boards.
Trucks

Chevrolet 3100 (1947-1955): History, Engines and Specs

The Chevrolet 3100 Advance Design pickup: its 1947-1955 run, the 216 and 235 Stovebolt sixes, and the grille and windshield changes that mark each year.

A weathered copper-brown Kenworth W900A pulling a white Thermo King-refrigerated trailer down a two-lane desert highway at golden hour, exhaust trailing behind it as bare mountains rise under a pale s
Big Rigs

Kenworth W900 (1961-2026): Engines, Specs, W900A vs W900B

The Kenworth W900A, star of Smokey and the Bandit: its history, W900A vs W900B differences, engines, and how to spot one today.

A weathered red Mack B-61 tractor with no trailer parked in front of a chrome 1950s diner at golden hour, with a classic car and pickup truck in the background.
Big Rigs

Mack B-61 (1953-1966): Thermodyne Diesel, Specs and History

How the Mack B-61 and its Thermodyne diesel became the classic picture of "built like a Mack truck": history, engines and specs.

A yellow 1970 Oldsmobile 442 with black hood stripes staged on a drag strip at dusk, campers and trailers lined up in the background.
Muscle Cars

1970 Oldsmobile 442 W-30: The Numbers Behind Oldsmobile's Rocket 455

The 1970 Oldsmobile 442 W-30's 455 Rocket V8, its twin-scoop OAI hood, and the production numbers behind Oldsmobile's loudest muscle car.

A white and orange-striped GMC Astro 95 cabover tractor with a box trailer backed up to a loading dock at a weathered brick warehouse.
Big Rigs

GMC Astro 95: History, Engines and the Last Great GM Cabover

How the GMC Astro 95 outlived its Chevrolet Titan twin and became the longest-running cabover General Motors ever built.

A black 1987 Buick Grand National parked on a wet city street at night, neon signs from nearby storefronts reflecting off the pavement.
Muscle Cars

1987 Buick Grand National: Detroit's Turbo V6 Out-Muscles the V8s

The 1987 Buick Grand National's turbo V6, its 'Darth Vader' nickname, and how the 547-built GNX topped a car that already beat Corvettes.

A dark blue Kenworth K100 Aerodyne cabover pulling a weathered trailer across a rain-slicked highway at dusk, headlights on and "KENWORTH" lettered on the bumper, with braking traffic streaming past i
Big Rigs

Kenworth K100: History, the Aerodyne Sleeper, and Its Legacy

The Kenworth K100 cabover and its 1976 Aerodyne sleeper: why trucking went cab-over, B.J. and the Bear fame, and why it disappeared.

AI-generated render of a green 1970 Dodge Challenger R/T parked in a rain-slicked parking lot at night, lit by a single sodium streetlight.
Muscle Cars

1970 Dodge Challenger R/T: History, Specs, and High-Impact Colors

Dodge's first-year E-body answer to the pony car wars: four engine choices up to the 426 Hemi, and paint named things like Plum Crazy.

AI-generated render of a weathered orange 1969 Dodge Charger Daytona parked beside a trackside garage, with empty oval-track grandstands in the background.
Muscle Cars

Winged Warriors: The Dodge Charger Daytona and Plymouth Superbird

How a pointed nose cone and a two-foot-tall wing turned a Charger and a Road Runner into 200-mph NASCAR homologation specials.

A red 1966 Pontiac GTO parked beside a vintage gas pump outside an old brick garage.
Muscle Cars

1966 Pontiac GTO: The Loophole That Became the Goat

How a loophole in GM's engine rules turned into the 1966 Pontiac GTO, the record sales year that made "the Goat" a legend.

AI-generated render of a black 1968 Dodge Charger R/T parked on an empty desert highway at sunset, with mesas in the distance.
Muscle Cars

1968 Dodge Charger R/T: History, Specs, and How to Spot One

The 1968 redesign that gave Dodge its meanest B-body: a flying-buttress roof, hidden headlights, and a 440 Magnum or 426 Hemi under the hood.

A dusty orange 1969 Chevrolet Camaro SS sitting inside an old wooden barn, lit by a shaft of sunlight through the doors
Muscle Cars

1969 Camaro SS: SS Package, Engines and Barn Find Basics

What the SS package actually added to a 1969 Camaro, how it differs from the RS and Z/28, and what to check before buying a barn find.

A yellow and black 1970 Buick GSX parked on the grass at a car show, with other muscle cars and spectators in the background.
Muscle Cars

1970 Buick GSX: The Gentleman's Muscle Car Stops Being Polite

The 1970 Buick GSX's Stage 1 455, its two-color-only paint list, and the numbers behind Buick's loudest muscle car.

An orange 1970 Chevrolet Chevelle SS with black stripes parked at night outside a neon-lit drive-in diner
Muscle Cars

1970 Chevelle SS 454: LS5 vs LS6 and Spotting a Real One

The 1970 Chevelle SS 454 came as the LS5 or the LS6. Here's what separated them, what cowl induction did, and how to spot a clone.

Sunset view through the windshield of a classic semi sleeper cab, with a CB radio mounted overhead and two gear shifters rising from the floor
Big Rigs

1970s Semi Truck Cabs: CB Radios, Twin Sticks and Tuck-and-Roll

Inside the long-haul sleeper cabs of the CB radio era: twin-stick shifting, tuck-and-roll seats, and why truckers loved channel 19.

A black Chevelle SS and an orange Plymouth Road Runner facing off nose-to-nose at a nighttime intersection under a red traffic light.
Muscle Cars

1970 Chevelle SS 454 vs. Plymouth Road Runner: Two Ideas of Cheap Speed

1970 Chevelle SS 454 vs Plymouth Road Runner: engines, prices, and who each budget muscle car was really built for.

AI-generated render of an orange 1970 Ford Mustang Mach 1 fastback on a rain-slicked city street at night, with neon signs reflected in the wet pavement.
Muscle Cars

Ford Mustang Fastback: From 1967 GT to 1970 Mach 1

Fastback becomes SportsRoof, quad headlights come and go, and the 428 Cobra Jet arrives — how the first-gen Mustang fastback changed year to year.

A white and teal Peterbilt 352 Pacemaker cabover truck with a dry van trailer parked beside two gas pumps at a small roadside station at golden hour.
Big Rigs

Peterbilt 352 Pacemaker: The Cabover Built to Beat the Length Laws

Why Peterbilt built the 352 Pacemaker cabover, how the 352H differs, and why the flat-nose trucks that ruled US highways nearly vanished.

A maroon long-hood Peterbilt 359 day cab parked on a gravel lot at dusk in front of a lit wooden building, with classic cars parked nearby under a cloudy sky.
Big Rigs

Peterbilt 359: History, Engines, and How to Spot One

The 1967-1987 Peterbilt 359, the truck that set the template for the classic American big rig, engines, specs, and how to tell it from a 379.

AI-generated render of a purple 1971 Plymouth Hemi 'Cuda staged at a drag strip with '426' chalked on the windows and dust in the air.
Muscle Cars

Plymouth Hemi 'Cuda, 1970-1971: History, Specs, and Rarity

426 Hemi power, a shaker hood, and one of the shortest production runs in muscle car history — how to tell a 1970 'Cuda from a 1971.

A dark blue Peterbilt 379 with chrome stacks and amber cab lights parked at a nighttime truck show, surrounded by other trucks and a crowd.
Big Rigs

Peterbilt 379 (1987-2007): History, Engines and Specs

The 1987-2007 Peterbilt 379, what changed from the 359, its engine options, and why drivers still call it the last of the long hoods.

Trucks

Classic American pickups: the history, specs and details behind every generation.

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Muscle Cars

Classic American V8 muscle: the history, specs and numbers behind the legends.

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Big Rigs

Classic semis, cabovers and long-hood legends: where they came from and how to spot them.

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