Engine Summary
- Manufacturer
- Oldsmobile
- Family
- Oldsmobile Rocket big-block
- Displacement
- 455 cubic inches
Also Known As
1975 Hurst Olds W-30 4551975 Oldsmobile T-code 4551975 Hurst Olds 190-hp 455
Engine profile
1975 Oldsmobile L74 455 V8
Oldsmobile Rocket big-block · 455 cubic inches · Oldsmobile
Identification reference
Engine Details
Source-backed component numbers, codes, stampings, and application notes.
Carburetor and induction
- Value
- Rochester Quadrajet 7045184 on cast-iron intake 412753
- Application
- 1975 Hurst/Olds W-30 455
- Type
- carburetor / part number
- Car pages
- 1975 Oldsmobile Hurst/Olds W-30 455
Sources: 1975 Hurst/Olds Spotter Tips
Block and cylinder heads
- Value
- 396021FA block with KA cylinder heads
- Application
- 1975 Hurst/Olds W-30 455
- Type
- engine assembly / casting number
- Location
- block casting and front/rear cylinder-head casting marks
- Car pages
- 1975 Oldsmobile Hurst/Olds W-30 455
Sources: 1975 Hurst/Olds Spotter Tips
Factory output
- Value
- 190 hp SAE net and 350 lb-ft
- Application
- 1975 L74 455
- Type
- engine assembly / specification
- Car pages
- 1975 Oldsmobile Hurst/Olds W-30 455
Sources: 1975 Oldsmobile Hurst/Olds
VIN engine code
- Value
- T
- Application
- 1975 Hurst/Olds W-30 455
- Type
- engine assembly / stamp
- Location
- fifth character of the vehicle identification number
- Car pages
- 1975 Oldsmobile Hurst/Olds W-30 455
Sources: 1975 Hurst/Olds Spotter Tips
Cars Using This Engine
1 linked car page.
Cutlass Supreme formal-roof two-door coupe converted by Hurst Performance
1975 Oldsmobile Hurst/Olds W-30 455
1,193 W-30 455 cars from 2,535 Hurst/Olds