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1966 Cadillac Eldorado Catalog and Classic Car Guide, Ratings and Features

Image of 1966 Cadillac Eldorado, sourced from en.wikipedia.org , Image Link.

Performance Metrics

Performance: +60
Handling: +45
Ride Comfort: +85

Fundamental Metrics

Safety: +40
Maintenance and Upkeep: +70
Restoration Difficulty: +65

Emotional Appeal

Looks: +90
Collectability: +75
Historical Significance: +70

MMP Rating

7.5 /10
Engine Specifications
Engine: 429 cu in (7.0 L) V8
Displacement: 429 cu in (7.0 L)
Horsepower: 340 hp
Torque: 480 lb-ft
Compression Ratio: 10.5:1
Ignition System: Conventional points ignition system
Cooling System: Liquid-cooled
Performance Specifications
0-60 Time: 8.5 seconds
1/4 Mile Time: 16 seconds
Top Speed: 120 mph
Transmission and Drive
Drive Type: Rear-wheel drive
Transmission Type: 3-speed automatic
Fuel and Efficiency
Fuel System Type: Carburetor
MPG: 10-12 mpg
Dimensions and Brakes
Brakes: Power-assisted drum brakes
Wheelbase: 129.5 inches
Weight: 4,600 lbs

Note: Specifications for classic cars are given to the best of our ability, considering the limited and variant data available.

The 1966 Cadillac Eldorado: A Pinnacle of American Luxury

The 1966 Cadillac Eldorado stands as a testament to the zenith of American luxury automobile craftsmanship. Born from the prestigious Cadillac division of General Motors, this vehicle emerged during an era when opulence and grandeur were not just desired but expected in a high-end car. The Eldorado, with its sleek lines and sumptuous interiors, became an icon of 1960s automotive design. It was during this time that Cadillac solidified its reputation as a manufacturer of vehicles that were as much a status symbol as they were modes of transportation. A particularly intriguing fact about the '66 Eldorado is that it was one of the last American cars to offer the combination of a convertible top with substantial size and power, marking the end of an era in automotive history.

Design and Innovation

The exterior styling of the 1966 Eldorado was nothing short of breathtaking. Its long, sculpted body and sharp tailfins exuded confidence and sophistication. The front grille, adorned with chrome accents, presented an imposing yet elegant face to the world. Inside, occupants were treated to an environment swathed in premium materials such as rich leather upholstery and genuine wood trim. The dashboard's design was both functional and stylish, housing innovative features for its time like automatic climate control and an AM/FM stereo radio. Color options ranged from subdued to vibrant, with popular choices including Sable Black and Capri Aqua. Among body styles, the convertible was particularly iconic, offering a seamless blend of open-air freedom and luxury.

Historical Significance

The Eldorado's impact on automotive design was profound. It set a benchmark for personal luxury coupes that would influence industry trends for decades. What truly set this car apart was its front-wheel-drive system—a rarity at the time—which allowed for a lower floor and thus more interior space, contributing to a more comfortable ride. This feature would become more common in later years but was revolutionary for luxury cars in the mid-60s.

Performance and Handling

Underneath its elegant exterior, the 1966 Eldorado housed a powerful 429 cubic inch V8 engine that propelled it to impressive speeds for such a sizable vehicle. Its top speed hovered around 120 mph, with acceleration from 0-60 mph achievable in less than nine seconds—a remarkable feat at the time. Handling was smooth and composed; even over bumps or when navigating windy roads, the Eldorado maintained its poise. Driving this car was an experience in itself—the rumble of the V8 engine, the plushness of the suspension, and the commanding view from behind the wheel created an unparalleled sense of control and comfort.

Ownership Experience

The 1966 Cadillac Eldorado was versatile in its uses—equally at home on a leisurely Sunday drive as it was gracing the parking lot at upscale events or even participating in classic car rallies. Maintenance could be demanding due to its complexity and age but generally remained within reach for those familiar with classic car upkeep. Reliability was consistent with expectations for vehicles from this period; regular care ensured longevity.

Fun Facts

This majestic vehicle has had its share of limelight with rare editions like the Fleetwood Eldorado Convertible catching collectors' eyes. Celebrity ownerships have only added to its allure—Elvis Presley famously owned several Cadillacs including an Eldorado. While it didn't set records for speed or sales, it certainly left an indelible mark on luxury automotive history.

Collector's Information

Today, the value range for a well-maintained 1966 Cadillac Eldorado can vary greatly depending on condition, mileage, provenance, and originality. With approximately 2,250 units produced for that year's convertible model, it is relatively rare compared to other classic cars from that era. The market has seen appreciating values for pristine examples; prices can range anywhere from $25,000 to over $100,000 for concours-quality vehicles.

Conclusion

The 1966 Cadillac Eldorado is more than just a classic car—it's a symbol of American luxury and innovation during an era when no expense was spared in pursuit of comfort and style. Its legacy endures not only through its stunning design but also through its influence on subsequent generations of automobiles. Owning one today is not just about having a piece of history—it's about experiencing firsthand what driving used to be: an event unto itself.

1966 Cadillac Eldorado Catalog of Parts

1966 Cadillac Eldorado Rear Quarter Window Door Lock Pillar Seal (upper)-ALP 5052 1966 Cadillac Eldorado Rear Quarter Window Door Lock Pillar Seal (upper)-ALP 5052Rear Quarter Window Door Lock Pillar Seal (upper). Made with steel cores. Pair R&L

1966 Cadillac Eldorado Shock Absorber Grommet.  1 bottom O.D., 3/4 high-BN 1 1966 Cadillac Eldorado Shock Absorber Grommet. 1" bottom O.D., 3/4" high-BN 1Shock Absorber Grommet. 1" bottom O.D., 3/4" high., with 7/16" I.D. Each

1966 Cadillac Eldorado Front coil-spring insulator-BN 110 1966 Cadillac Eldorado Front coil-spring insulator-BN 110Front coil-spring insulator. Fits '41-'60 Oldsmobile and '50-'83 GM passenger models. 5-3/8 in. OD x 3-3/4 in. ID x 3/4 in. high with 13/16 in. wide bottom flange 1/4" thick, 12 flutes. Each.

1966 Cadillac Eldorado Spring and Shackle Bushing.  1-1/8 bottom O.D-BN 17 1966 Cadillac Eldorado Spring and Shackle Bushing. 1-1/8" bottom O.D-BN 17Spring and Shackle Bushing. 1-1/8" bottom O.D. X 1-3/4" high, with 5/8" I.D. Each

1966 Cadillac Eldorado Butyl Glass Setting Tape-BT 1 1966 Cadillac Eldorado Butyl Glass Setting Tape-BT 1Butyl Glass Setting Tape. Used to install windshields and backlights. Superior sealing properties. 5/16" wide X 15' long. Each

1966 Cadillac Eldorado Convertible Top Windshield Header Seal-C/LP 40-G 1966 Cadillac Eldorado Convertible Top Windshield Header Seal-C/LP 40-GConvertible Top Windshield Header Seal. Clips installed every 3-5/8". Made of soft, black, skin-covered sponge. Sold by the foot.

1966 Cadillac Eldorado Pillar Post Seals, 66-68 GM B  C Body Convertibles, Pair-CZ 8100-A 1966 Cadillac Eldorado Pillar Post Seals, 66-68 GM B & C Body Convertibles, Pair-CZ 8100-APillar Post Seals, 66-68 GM B & C Body Convertibles. Replaces OEM #'s 7602728 & 7602729. Also known as hinge pillar weatherstrips, this part can be found between the A-pillar post and the front door on convertible models. Our part has embedded cores surrounding the main mounting holes for extra strength when installing with original hardware.

1966 Cadillac Eldorado Hood Bumper Cap, for adjustment bolt.  Up to 5 used per car-HA 11 1966 Cadillac Eldorado Hood Bumper Cap, for adjustment bolt. Up to 5 used per car-HA 11Hood Bumper Cap, for adjustment bolt. Up to 5 used per car. 1-1/16" O.D., 5/8" high. Each

1966 Cadillac Eldorado Hood Adjustment Bolt and Bumper.  1 diameter rubber head-HA 2 1966 Cadillac Eldorado Hood Adjustment Bolt and Bumper. 1" diameter rubber head-HA 2Hood Adjustment Bolt and Bumper. 1" diameter rubber head. 5/16" thick X 18 threads/inch X 1-3/4" long bolt. Each

1966 Cadillac Eldorado Hood Adjustment Bolt and Bumper-HA 3 1966 Cadillac Eldorado Hood Adjustment Bolt and Bumper-HA 3Hood Adjustment Bolt and Bumper. 1-1/8" diameter rubber head. 5/16" thick X 18 threads/inch X 2-1/8" long bolt. Each

1966 Cadillac Eldorado Top Bow to Header Seal (fits late '66-'70 GM B body-HD 731 1966 Cadillac Eldorado Top Bow to Header Seal (fits late '66-'70 GM "B" body-HD 731Top Bow to Header Seal (fits late '66-'70 GM "B" body, '65-'70 GM "C" body). Made of smooth, skin-covered sponge, with steel core and molded ends, like original. 56-1/2" Long. Each


1966 Cadillac Eldorado Trip Meter Reset Knob.  Made of black rubber-KN 10 1966 Cadillac Eldorado Trip Meter Reset Knob. Made of black rubber-KN 10Trip Meter Reset Knob. Made of black rubber. Compare to measurements: 1/8" I.D., 7/16" O.D. X 1/2" tall. Each

1966 Cadillac Eldorado Door Seals with Molded Ends-LM 12-F 1966 Cadillac Eldorado Door Seals with Molded Ends-LM 12-FDoor Seals with Molded Ends. For 2-Door Hardtops and Convertibles. Replaces OEM #7779558/9. Pair

1966 Cadillac Eldorado Door Seals, with Clips and Molded Ends-LM 20 1966 Cadillac Eldorado Door Seals, with Clips and Molded Ends-LM 20Door Seals, with Clips and Molded Ends. For 2-Door Hardtops and Convertibles. Replaces OEM #4456006/7. Pair R&L

1966 Cadillac Eldorado Basic Kit, for 2-Door Hardtop-RKB 1707-102 1966 Cadillac Eldorado Basic Kit, for 2-Door Hardtop-RKB 1707-102Basic Kit, for 2-Door Hardtop. Door (LM 12-F) Roof Rail (RR 5009) Trunk (TK 46-18), Seals.

1966 Cadillac Eldorado Basic Kit, for Convertibles-RKB 2009-109 1966 Cadillac Eldorado Basic Kit, for Convertibles-RKB 2009-109Basic Kit, for Convertibles. Door (LM 20) Roof Rail (RR 1811) Trunk (TK 46-18) Header (HD 731), Seals.



1966 Cadillac Eldorado Positive Crankcase Ventilation Grommet-RP 9 1966 Cadillac Eldorado Positive Crankcase Ventilation Grommet-RP 9Positive Crankcase Ventilation Grommet. 11/16" wide X 1-5/8" long, with 15/16" I.D. (Fits some models) Each

1966 Cadillac Eldorado ConvertibleTop Roof Rail Seals-RR 1811 1966 Cadillac Eldorado ConvertibleTop Roof Rail Seals-RR 1811ConvertibleTop Roof Rail Seals. 6-Piece set, made with steel cores.


1966 Cadillac Eldorado Trunk Bumper.  Fits lower corner on decklid.  15/16 O.D-SB 34 1966 Cadillac Eldorado Trunk Bumper. Fits lower corner on decklid. 15/16" O.D-SB 34Trunk Bumper. Fits lower corner on decklid. 15/16" O.D., 11/16" high. Each

1966 Cadillac Eldorado Door Bumper, 57-74 GM Cars, Made with Twin Retainers, Each-SB 35 1966 Cadillac Eldorado Door Bumper, 57-74 GM Cars, Made with Twin Retainers, Each-SB 35Door Bumper, 57-74 GM Cars, made with twin retainers, Each. Measure 1-1/16" high X 19/32" wide X 1-1/32" long.

1966 Cadillac Eldorado Seat Bumper.  Made with steel core like original-SB 62-A 1966 Cadillac Eldorado Seat Bumper. Made with steel core like original-SB 62-ASeat Bumper. Made with steel core like original. 1-1/2" long, 7/16" thick. Two used per car. Each

1966 Cadillac Eldorado Clutch Pedal Return Bumper-SB 64 1966 Cadillac Eldorado Clutch Pedal Return Bumper-SB 64Clutch Pedal Return Bumper. 1-13/16" long X 13/16" wide X 7/8" high (center). Each






1966 Cadillac Eldorado Firewall insulation fastener. 1 in. dia. W head. 1-1/2 in. L-SM 80-A 1966 Cadillac Eldorado Firewall insulation fastener. 1 in. dia. W head. 1-1/2 in. L-SM 80-AFirewall insulation fastener. 1 in. dia. W head. 1-1/2 in. L. Replaces OEM#'s (GM) 7642589 and (AMC) 4001934. Black. Each.


1966 Cadillac Eldorado Unbeaded Door and Trunk Lock Gasket.  1-3/16 O.D., 7/8 I.D-UM 1600-100 1966 Cadillac Eldorado Unbeaded Door and Trunk Lock Gasket. 1-3/16" O.D., 7/8" I.D-UM 1600-100Unbeaded Door and Trunk Lock Gasket. 1-3/16" O.D., 7/8" I.D. Each

1966 Cadillac Eldorado Rear Side Roll-Up Window Seal, for Hardtops and Convertibles-VS 3 1966 Cadillac Eldorado Rear Side Roll-Up Window Seal, for Hardtops and Convertibles-VS 3Rear Side Roll-Up Window Seal, for Hardtops and Convertibles. Two 20" sections slide into metal track. No steel insert. Pair

1966 Cadillac Eldorado Vent window and rear division channel seals-WR 2002-E 1966 Cadillac Eldorado Vent window and rear division channel seals-WR 2002-EVent window and rear division channel seals. Fits '65-'68 GM B-body and C-body 2-door and 4-door hardtops and convertibles. Top quality EPDM dense rubber. 4-piece set. R&L.

Why Choose Metro?

For over 100 years, Metro Moulded Parts has been the pinnacle of quality in classic car restoration parts. Our commitment to precision and authenticity in every component ensures a perfect fit and an OEM-level appearance.

  • Expert Craftsmanship & Quality: Each part is a testament to our dedication to reliability and perfection, crafted from original designs and thoroughly tested.
  • Advanced Technology: We use cutting-edge techniques to create flawless, long-lasting parts that surpass others in performance.
  • SuperSoft Sponge – The Ultimate Door Seal: Not only are our door seals 30% softer than competitors', but they're also guaranteed to never leak. They effectively reduce wind and road noise, enhancing your classic car's comfort and driving experience.
  • Proudly American: Our parts are a product of American craftsmanship, made in the USA with a spirit of excellence and heritage.
  • Unrivaled Warranty: We back our products with a 30-year industry-leading warranty, a testament to our confidence in their quality.

Join us in preserving the legacy of classic cars with parts that are crafted for perfection, not just made.

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