Convertible · 327 cu in V8 (300 hp)
1966 Chevrolet Corvette Sting Ray 300 Convertible — 2-speed Powerglide automatic
The 1966 Corvette Sting Ray 300 paired the 327 cu in V8 (300 hp) with the 2-speed Powerglide automatic in convertible form.
Photo: Mustang Joe / Wikimedia Commons — CC0 1.0. Cropped to 16:9.
Factory configuration
What this model is
- Trim
- Corvette Sting Ray 300
- Body style
- Convertible
- Engine
- 327 cu in V8 (300 hp)
- Transmission
- 2-speed Powerglide automatic
Configuration-specific ownership
Maintenance for this exact configuration
These items are filtered to the engine, transmission, trim, and model-year applicability recorded for this configuration. Broad Amazon category searches are suppressed here; shopping links appear only beside catalog-backed part numbers.
Service desk
What this car needs & when
Use this as a service-planning checklist for 1966 Chevrolet Corvette Sting Ray 300 Convertible — 2-speed Powerglide automatic. Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.
- Service topics
- 9
- Factory intervals
- 8
- Fitment-scoped
- 9
- Exact references
- 1
Before orderingIdentify your engine, options and build date.Part numbers and sizes can change within one model year. Shopping links appear only for catalog-backed references; still verify the listing against your vehicle before ordering.
Engine air-cleaner element — service
Sourced interval available
Use the row matching the installed element type; service more often in prolonged dusty use.
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
Polyurethane element — clean and re-oil
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
Oil-wetted paper element — inspect or test
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
V8 distributor cam lubricator — service
Sourced interval available
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
Turn cam lubricator end-for-end
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
Replace cam lubricator
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
Transmission fluid and lubricant — service
Sourced interval available
The 1966 Corvette factory power-team table lists manual transmissions and Powerglide. Chevrolet introduced Turbo Hydra-Matic as a Corvette option for 1968; cross-model THM instructions do not establish 1966 factory fitment. Retained intervals separately cite the 1966 chassis manual.
Source: Chevrolet — 1968 full-line brochure, Corvette introduction · PDF page 7, Corvette paragraph; publication D-49492-R-1 — first-time availability establishes model applicability, not service intervals · checked
Powerglide — check fluid level
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
Powerglide — change fluid
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
Rear-axle lubricant level — check
Sourced interval available
The factory manual specifies no routine lubricant change for the life of the vehicle.
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
Chassis, clutch cross-shaft, and parking-brake mechanism — lubricate
Sourced interval available
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
Chassis and parking-brake mechanism
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
Manual steering-gear lubricant level — check
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
Front wheel bearings — clean and repack
Sourced interval available
The text specifies 24,000 miles and also requires repacking whenever the brake drums are removed; the Corvette diagram identifies service whenever the brakes are serviced.
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
Brake-master-cylinder fluid level — check
Sourced interval available
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
Battery-terminal felt washers — oil
Sourced interval available
Source: Chevrolet — 1966 Chassis Service Manual licensed GM reproduction (preserved copy) · Lubrication, pages 0-11 through 0-18; Corvette lubrication diagram, Figure 32 · checked
Engine oil filter — catalog fitment
Exact reference available
Manufacturer-catalog fitment only; no service interval is inferred.
Baldwin P18 cataloged fitment
This manufacturer application record establishes replacement-filter fitment only; it does not alter Chevrolet's service interval.
Source: Parker/Baldwin Filters — 2025 Automotive Applications catalog · PDF page 783, Chevrolet 1966 Corvette 327- and 427-cu-in carbureted V8 row — Lube — P18 · checked
Verified ordering references
- Validated equivalentBaldwin P18
Qty. 1 · Engine lubricating-oil filter · catalog-listed
Cataloged for the 1966 Corvette 327- and 427-cu-in carbureted V8; confirm the installed engine and filter dimensions.
Catalog: Parker/Baldwin Filters — 2025 Automotive Applications catalog · PDF page 783, Chevrolet 1966 Corvette 327- and 427-cu-in carbureted V8 row — Lube — P18 · checked
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Sources
Other 1966 configurations
- Corvette Sting Ray 300 Sport coupe — 3-speed manual
- Corvette Sting Ray 300 Sport coupe — 4-speed manual
- Corvette Sting Ray 300 Sport coupe — 2-speed Powerglide automatic
- Corvette Sting Ray 300 Convertible — 3-speed manual
- Corvette Sting Ray 300 Convertible — 4-speed manual
- Corvette Sting Ray L79 Sport coupe — 4-speed manual
- Corvette Sting Ray L79 Convertible — 4-speed manual
- Corvette Sting Ray L36 Sport coupe — 4-speed manual
- 427 Powerglide converter service application
- Corvette Sting Ray L36 Convertible — 4-speed manual
- 427 Powerglide clutch service application
- Corvette Sting Ray L72 Sport coupe — 4-speed manual
- Corvette Sting Ray L72 Convertible — 4-speed manual