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The Cheapest Full-Size Oldsmobile of 1966 and Its Claimed $34 320-HP Option

The Jetstar 88 sat at the bottom of Oldsmobile’s 1966 full-size lineup, while a dealer-book excerpt identifies a 320-hp 330 V-8. The claimed $33.70 Jetstar option pairing remains unconfirmed by the accessible text.
Entry099 Date Time2 min MechanicCarCody Team
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The Jetstar 88 was Oldsmobile’s low-end full-size model for 1966. A period dealer-book excerpt also identifies a 320-hp, 330-cubic-inch Jetfire Rocket V-8, but the accessible text does not confirm that this engine’s listed $33.70 price applied to the Jetstar 88. The model and engine are documented; their exact pairing and price need confirmation from the original scanned page.

Which Oldsmobile was the cheapest full-size model in 1966?

The Jetstar 88 was the low-end full-size Oldsmobile in both 1965 and 1966, according to the model-line reference at Curbside Classic. That identifies its place in the range, not a single lowest price across every body style: Oldsmobile’s period price material lists retail figures by model and body style.

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What was the 320-hp engine?

An indexed excerpt from Oldsmobile’s 1966 dealer data book identifies the L74 as a high-compression 330-cubic-inch Jetfire Rocket V-8 rated at 320 hp. The excerpt is available through the scanned dealer book hosted by XR793. This is a specific engine identification and rating; the excerpt alone does not establish which full-size models could be ordered with it.

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Was the $33.70 option available on a Jetstar 88?

That precise combination is not established by the accessible text. Search material associates $33.70 with the L74, but it does not conclusively show that the price applied to the Jetstar 88. The period price-and-options material hosted by Curbside Classic and the dealer-book scan are the relevant references; confirming the model-and-price pairing requires reading the original page image, not relying on the indexed excerpt.

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Accordingly, “$34 320-hp Jetstar 88” should be treated as a claim to verify, not a settled specification. The $33.70 figure rounds to $34, but that arithmetic does not resolve whether the option was offered on this model.

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How to read the claim accurately

  • Model: Jetstar 88 was the low-end full-size Oldsmobile for 1965–66, per the secondary model-line reference.
  • Engine: The 1966 dealer-book excerpt names an L74, high-compression 330-cubic-inch Jetfire Rocket V-8 at 320 hp.
  • Price and availability: The available text does not conclusively pair the $33.70 figure and L74 with the Jetstar 88.

For a restoration or specification check, use the original period literature and confirm the exact year, model, body style, engine code, and option price on the scanned page. The cited material does not establish the Jetstar-specific $33.70 pairing without that page-level confirmation.

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