Re: Engine I.D. problems..... 390 or 428!?
If it has Z for the 5th digit of the VIN, it originally had a 390.
If it has Q for the 5th digit of the VIN, it originally had a 428.
Master ASE Certified L1 Chrysler Technician- still a Ford fan at heart.
1964 Thunderbird Hardtop- Chantily Beige- 390 FE 4V V8-Uncle's Car
1966 Thunderbird Convertible- Red- 390 FE 4V V8- Uncle's other car- waiting for paint and body work!!!