Reference Details
- Common issue
- Four-barrel 389 or later replacement engine upgraded with a Tri-Power intake and represented as original. · 1965 Pontiac GTO Tri-Power
- Confidence
- reported · 1965 Pontiac GTO Tri-Power
- Correct value
- 389 Tri-Power engine evidence such as WS/YR-code-family support, correct three-carburetor induction, date-correct block/head/intake/carburetor evidence and matching paperwork · 1965 Pontiac GTO Tri-Power
- Where to check
- Engine stamp pad, casting and date codes, intake/carburetor tags, PHS paperwork and service history · 1965 Pontiac GTO Tri-Power
- Common issue
- Four-barrel 389 or later replacement engine upgraded with a Tri-Power intake and represented as original. · 1966 Pontiac GTO Tri-Power
- Confidence
- reported · 1966 Pontiac GTO Tri-Power
- Correct value
- 389 Tri-Power evidence such as WS/YR-family support, correct three-carburetor induction, date-correct block/head/intake/carburetor evidence and matching paperwork · 1966 Pontiac GTO Tri-Power
- Where to check
- Engine stamp pad, casting and date codes, intake/carburetor tags, PHS paperwork and service history · 1966 Pontiac GTO Tri-Power
