Engine, transmission, and axle path

Reference Details

Common issue

Replacement 430, added triple carburetion, another automatic, or changed axle represented as born-with equipment · 1958 Mercury Park Lane

Confidence

documented · 1958 Mercury Park Lane

Correct value

K-code 430 with standard four-barrel or documented Super Marauder six-barrel equipment, F-code Multi-Drive, and Park Lane 2.91 axle that reconcile to dates and records · 1958 Mercury Park Lane

Where to check

Patent plate, engine castings and identifiers, induction, transmission case and Keyboard Control, driveshaft, axle assembly, exhaust, dates, and records · 1958 Mercury Park Lane

Common issue

Replacement 430, added triple-two induction, 1958 Keyboard Control, another transmission, or changed axle represented as born-with 1959 equipment · 1959 Mercury Park Lane

Confidence

documented · 1959 Mercury Park Lane

Correct value

Model-year 430 four-barrel Marauder, column-shifted Multi-Drive Merc-O-Matic, and 2.71 axle reconciled to application, dates, and records · 1959 Mercury Park Lane

Where to check

Patent plate, engine castings and identifiers, four-barrel induction, transmission case and column controls, driveshaft, axle assembly, exhaust, dates, and records · 1959 Mercury Park Lane

Common issue

318 or later LA swap, converted 273 induction, hydraulic valvetrain, later transmission, changed axle, gears, or shifter represented as born-with equipment · 1965 Dodge Dart

Confidence

documented · 1965 Dodge Dart

Correct value

Record-supported 170, 225, 273 two-barrel, or 273 four-barrel engine with application-correct manual or TorqueFlite transmission, axle ratio, Sure-Grip status, controls, cooling, exhaust, and dates · 1965 Dodge Dart

Where to check

Serial and data plates, engine casting and stamped evidence, induction, valvetrain, transmission case and controls, driveshaft, axle housing and carrier, tags, dates, and records · 1965 Dodge Dart

Common issue

318 or later LA swap, converted induction, hydraulic valvetrain, later transmission, changed axle, gears, or shifter represented as born-with equipment · 1966 Dodge Dart

Confidence

documented · 1966 Dodge Dart

Correct value

Record-supported 170, 225, 273 two-barrel, or 273 four-barrel engine with permitted three-speed, four-speed, or TorqueFlite, compatible axle ratio and Sure-Grip status, cooling, exhaust, controls, and dates · 1966 Dodge Dart

Where to check

VIN and data plates, engine casting and stamped evidence, induction, valvetrain, transmission case and controls, driveshaft, axle housing, carrier and tags, dates, and records · 1966 Dodge Dart

Common issue

Swapped 304 or larger AMC V8, later transmission, floor shift, current axle, or altered induction represented as born-with equipment · 1972 AMC Gremlin

Confidence

documented · 1972 AMC Gremlin

Correct value

232, 258, or 304 engine reconciled to permitted manual or Torque-Command application, axle ratio, chassis equipment, emissions hardware, dates, and records · 1972 AMC Gremlin

Where to check

Serial and build evidence, engine stamps and castings, induction, transmission case and controls, axle housing and ratio, emissions labels, and component dates · 1972 AMC Gremlin

Common issue

Swapped 304 or larger AMC V8, dealer-installed 401, later transmission, changed axle, or altered induction represented as born-with factory equipment · 1973 AMC Gremlin

Confidence

documented · 1973 AMC Gremlin

Correct value

232, 258, or 304 factory engine reconciled to permitted floor manual or Torque-Command application, axle ratio, chassis equipment, emissions hardware, dates, and records · 1973 AMC Gremlin

Where to check

VIN and build evidence, engine stamps and castings, induction, transmission case and controls, axle housing and ratio, emissions labels, cooling, exhaust, and component dates · 1973 AMC Gremlin

Common issue

A swapped V8, added four-speed, changed axle, or removed emissions equipment represented as born-with · 1980 GMC Caballero

Confidence

documented · 1980 GMC Caballero

Correct value

VIN-supported LC3, L39, LG4, or California LD5 path reconciled to its permitted gearbox, axle ratio, emissions equipment, stamps, castings, and dates · 1980 GMC Caballero

Where to check

VIN, engine stamps and castings, induction, emissions labels, transmission case and controls, axle, and serial-specific records · 1980 GMC Caballero

Common issue

Replacement 301 or 305, added turbo equipment, manual conversion, changed gears, hood callout, or engine swap represented as born-with equipment · 1981 Pontiac Firebird Trans Am

Confidence

documented · 1981 Pontiac Firebird Trans Am

Correct value

VIN W L37 with MX1 and 2.56 or supported 3.08, VIN T LU8 with MX1 and 3.08, or VIN H LG4 with supported transmission and axle application · 1981 Pontiac Firebird Trans Am

Where to check

VIN, engine stamps and castings, carburetion and turbo hardware, emissions equipment, transmission case and controls, axle housing and carrier, component dates, and build records · 1981 Pontiac Firebird Trans Am