Classic Muscle
Search cars, engines, parts...

Search Classic Muscle

Enter at least two characters to search the archive.

Enter at least two characters to search the archive.

Authenticity reference

Transmission, axle, and chassis

date correctness · documented

Reference Details

Common issue
Swapped automatic, changed axle, later gearing, disc conversion, or replacement suspension represented as original delivery · 1957 Dodge Coronet
Confidence
documented · 1957 Dodge Coronet
Correct value
Application-correct manual, PowerFlite, or TorqueFlite with its stamped axle ratio, Torsion-Aire front suspension, rear leaves, and regular or performance-duty brakes · 1957 Dodge Coronet
Where to check
Transmission case, build-date boss and controls, axle ratio boss below the filler plug, driveshaft, torsion bars, leaves, shocks, drums, wheels, tires, and records · 1957 Dodge Coronet
Common issue
Transmission conversion, changed gears, later suspension, ordinary car with Z51-style wheels, or incomplete package represented as factory delivery · 1985 Chevrolet Corvette
Confidence
documented · 1985 Chevrolet Corvette
Correct value
Documented MX0 automatic or MM4 4+3 with correct controls, 2.73 or documented 3.07 limited-slip axle, and standard, FG3, or complete Z51 equipment · 1985 Chevrolet Corvette
Where to check
Build evidence, transmission and overdrive identifiers, clutch or converter, controls, carrier and ratio, springs, dampers, bars, steering, cooling, wheels, tires, brakes, dates, and invoices · 1985 Chevrolet Corvette

Cars With This Authenticity Marker

2 linked car pages.

Sources & Documentation