Authenticity reference

Transmission path

date correctness · reported

1964 Pontiac Tempest LeMans GTO sports coupe in Grenadier Red; used for first-year GTO front-end, hood-scoop, color, and sports-coupe context. 1964 Pontiac GTO

Reference Details

Common issue: Automatic/manual conversions or close-ratio claims without paperwork. · 1964 Pontiac GTO
Confidence: reported · 1964 Pontiac GTO
Correct value: Three-speed manual, wide-ratio four-speed, close-ratio four-speed, or automatic evidence matching the original order and engine application · 1964 Pontiac GTO
Where to check: PHS paperwork, transmission case stamp/tag, shifter hardware, crossmember and date codes · 1964 Pontiac GTO
Common issue: Automatic/manual conversions or close-ratio claims without paperwork. · 1965 Pontiac GTO Tri-Power
Confidence: reported · 1965 Pontiac GTO Tri-Power
Correct value: Three-speed, wide-ratio four-speed, close-ratio four-speed, or automatic evidence matching the original order and engine application · 1965 Pontiac GTO Tri-Power
Where to check: PHS paperwork, transmission case stamp/tag, shifter hardware, crossmember and date codes · 1965 Pontiac GTO Tri-Power
Common issue: Automatic/manual conversions or close-ratio claims without paperwork. · 1966 Pontiac GTO Tri-Power
Confidence: reported · 1966 Pontiac GTO Tri-Power
Correct value: Three-speed manual, four-speed manual, or two-speed automatic evidence matching the original order and engine application · 1966 Pontiac GTO Tri-Power
Where to check: PHS paperwork, transmission case stamp/tag, shifter hardware, crossmember and date codes · 1966 Pontiac GTO Tri-Power
Common issue: Manual/automatic conversion without matching documentation · 1968 AMC AMX 390
Confidence: reported · 1968 AMC AMX 390
Correct value: Borg-Warner T10 four-speed or Shift-Command automatic matching records · 1968 AMC AMX 390
Where to check: Transmission case/tag, shifter, console, linkage, documentation · 1968 AMC AMX 390
Common issue: Manual/automatic conversion without matching documentation · 1970 AMC AMX 390
Confidence: reported · 1970 AMC AMX 390
Correct value: Borg-Warner T10 four-speed with Hurst linkage or Shift-Command automatic matching records · 1970 AMC AMX 390
Where to check: Transmission case/tag, shifter, console, linkage, documentation · 1970 AMC AMX 390
Common issue: Manual or automatic conversion presented as factory-built · 1970 AMC Javelin SST 390
Confidence: reported · 1970 AMC Javelin SST 390
Correct value: T-10 four-speed or Shift-Command automatic matching tags, controls, and paperwork · 1970 AMC Javelin SST 390
Where to check: Transmission tag or case, shifter, linkage, console, build records · 1970 AMC Javelin SST 390
Common issue: Manual/automatic conversion without matching documentation · 1970 AMC Javelin SST Mark Donohue
Confidence: reported · 1970 AMC Javelin SST Mark Donohue
Correct value: Four-speed manual or Shift-Command automatic matching records · 1970 AMC Javelin SST Mark Donohue
Where to check: Transmission case/tag, shifter, console, linkage, paperwork · 1970 AMC Javelin SST Mark Donohue
Common issue: Manual/automatic conversion without matching documentation · 1971 AMC Javelin AMX 401
Confidence: reported · 1971 AMC Javelin AMX 401
Correct value: Four-speed manual or Shift-Command automatic matching records · 1971 AMC Javelin AMX 401
Where to check: Transmission case/tag, shifter, console, linkage, paperwork · 1971 AMC Javelin AMX 401
Common issue: Manual or automatic conversion presented as factory-built · 1972 AMC Javelin AMX 401
Confidence: reported · 1972 AMC Javelin AMX 401
Correct value: T-10 four-speed or Torque-Command A727 automatic matching tags, controls, and paperwork · 1972 AMC Javelin AMX 401
Where to check: Transmission tag or case, shifter, linkage, console, build records · 1972 AMC Javelin AMX 401
Common issue: Manual or automatic conversion presented as factory-built · 1974 AMC Javelin AMX 401
Confidence: reported · 1974 AMC Javelin AMX 401
Correct value: T-10 four-speed or Torque-Command A727 automatic matching tags, controls, and paperwork · 1974 AMC Javelin AMX 401
Where to check: Transmission tag or case, shifter, linkage, console, build records · 1974 AMC Javelin AMX 401

Cars With This Authenticity Marker

10 linked car pages.

1964 Pontiac

1964 Pontiac GTO

389 cu in Pontiac 4-barrel V8

1965 Pontiac

1965 Pontiac GTO Tri-Power

389 cu in Pontiac Tri-Power V8

1966 Pontiac

1966 Pontiac GTO Tri-Power

389 cu in Pontiac Tri-Power V8

1968 AMC

1968 AMC AMX 390

First-year factory two-seat AMX 390, not a later Javelin AMX

1970 AMC

1970 AMC AMX 390

Factory two-seat AMX 390, not a Javelin AMX or dealer conversion

1970 AMC

1970 AMC Javelin SST 390

Two-door SST hardtop on a 109-inch wheelbase

1970 AMC

1970 AMC Javelin SST Mark Donohue

Factory SST homologation package centered on the Mark Donohue ducktail rear spoiler

1971 AMC

1971 AMC Javelin AMX 401

Factory Javelin AMX performance package, not a dealer conversion and not the earlier two-seat AMX body

1972 AMC

1972 AMC Javelin AMX 401

Four-seat Javelin AMX hardtop on a 110-inch wheelbase

1974 AMC

1974 AMC Javelin AMX 401

Four-seat Javelin AMX hardtop on a 110-inch wheelbase

Sources & Documentation

OldRide Library 1964 Pontiac LeMans GTO

Over-Drive Magazine archive 1964 Pontiac Mid-Size Car Facts

Over-Drive Magazine archive 1965 Pontiac Mid-Size Car Fact Sheet

OldRide Library 1966 Pontiac GTO

HowStuffWorks / Consumer Guide 1966 Pontiac GTO: A Profile of a Muscle Car

Wikimedia Commons 1968 AMC AMX in yellow with 390 GoPack automatic at 2021 AMO meet 10 of 11

American Motors Corporation / Automobile Manufacturers Association (hosted by Auto History Preservation Society) 1970 AMC AMA Specifications - Passenger Cars

American Motors via xr793 1970 AMC Full Line

Wikimedia Commons 1970 AMX Big Bad Orange interior

American Motors via xr793 1971 AMC Full Line

Wikimedia Commons 1971 AMC Javelin AMX in black with 401 V8 and 4-speed at 2021 AMO meet 4of6.jpg

Hemmings 1971-72 AMC Javelin AMX buyer/reference article

Hemmings 1971-74 AMC Javelin/AMX buyer reference

American Motors Corporation 1972 AMC full-line sales brochure

The AMX-perience / Trans-Am Javelin 1974 AMC Javelin AMX option and color reference

Wikipedia AMC AMX

Wikipedia AMC Javelin

The AMX-perience AMC Technical Information

Hot Rod It's Only Original Once: 1970 AMC Javelin

HOT ROD / MotorTrend archive Tri-Power Tiger: Pontiac's 1965 GTO