On a Ferrari Daytona, the Spyder Body Is the Originality Detail That Sets the Price
EL Puckett A factory Ferrari Daytona Spyder is worth a multiple of the berlinetta, and conversions exist. Here is what…
matching numbers
On a Series 1 E-Type, the Builder’s Plate Is a Claim. The Heritage Certificate Is the Test.
Kyle Matthews On a Series 1 Jaguar E-Type, the numbers on the plate only matter if the Heritage Certificate agrees.…
Porsche 911 Carrera RS 2.7 Collector Spec Sheet: Production, Options, Weak Points and Value
Eve Nowell A collector spec sheet for the 1973 Porsche 911 Carrera RS 2.7: 1,580 built, engine and options, identifying…
On an Early 911, the Certificate Proves the Spec. Only a Technical Certificate Tests the Engine.
John Lloyd Porsche’s certificate of authenticity confirms how an early 911 left the factory, not what engine is in it…
A 1969 Corvette L88 Convertible Is at $160,000. The Replacement Engine Is the Reason.
A documented 1969 Corvette L88 convertible closes today on Bring a Trailer at $160,000, against $850,000 and $860,000…
On a 1969 Camaro Z/28, the VIN Won’t Tell You It’s a Z/28. The DZ Engine Pad Will.
A 1969 Camaro Z/28 VIN looks like any V8 coupe’s. Here is how the DZ engine stamp, cowl…
On a 1964–65 Pontiac GTO, the VIN Cannot Prove It Is a GTO. The PHS Paperwork Can.
On a 1964 or 1965 Pontiac GTO the VIN cannot distinguish a real GTO from a LeMans. Why…
On a 300 SL Gullwing, the Data Card Decides Whether “Alloy” Is a Fact or a Fantasy
Only about 29 alloy-bodied 300 SL Gullwings were built, and the gap to a steel car is measured…
On a 1963 Corvette Split-Window, the Engine Pad Does the Talking. Here’s What Buyers Must Verify
Only one model year of Corvette wore a divided rear window, and that fact alone makes the 1963…
On a Boss 429 Mustang, the KK Number Is the Originality Detail That Sets the Price
On a Boss 429 Mustang, the Kar Kraft KK number links the VIN to the hand-built conversion that…