Vintage Oldsmobiles Curved Dash, Limited Touring, Models 40, 53, 66; Series 60, 70, 90

Speed equipment for the 303 to 394 engines ?

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Old Oct 20, 2025 | 12:38 AM
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Mike16's Avatar
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Speed equipment for the 303 to 394 engines ?

What kind of speed equipment was available for these engines back in the day?


Who has pictures of these speed parts?

What are Fenton headers?

Thanks for sharing
Old Oct 20, 2025 | 03:21 PM
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Mike16's Avatar
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I'm new to early oldsmobile so its a novel and interesting idea. The idea came to me when I bought a speed parts catolog dated 1961. I see the flathead Ford A and v8 speed parts revival. I think an inventory of oldsmobile speed parts that were available would spur commercial development
Old Oct 20, 2025 | 03:41 PM
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Sorry aboutThe general nature of my question.
but I hope for specifics ; information and pictures please
Old Oct 20, 2025 | 06:03 PM
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OLDSter Ralph's Avatar
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Originally Posted by Mike16
Sorry aboutThe general nature of my question.
but I hope for specifics ; information and pictures please
Its hard to provide specifics on a broad range of engine sizes which involve different bore/stroke and deck heights. There is a larbe write up on the early Olds engines on H.A.M.B.
Old Oct 20, 2025 | 06:16 PM
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Offenhauser intakes, valve covers, trans adapters, and sundry items are still available new through their retail outlet Exeter Auto Supply.
EAS - Offenhauser, Traditional Hot Rod and Automotive Parts
This is the Offenhauser Catalog.
Offenhauser catalog.pdf
Old Oct 21, 2025 | 07:07 AM
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TexasSuper88's Avatar
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Dual-Quad Intakes

303
https://www.speedwaymotors.com/Offen...YD5F4plsn95xE2

324
https://www.speedwaymotors.com/Offen...LN4XJ9D26E_d14
Old Oct 24, 2025 | 03:12 AM
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I was leaning towards the old stuff... vintage stuff for 303 324 371 and 394. Vintage parts that people can share images of.
Old Oct 24, 2025 | 07:49 AM
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Charlie Jones's Avatar
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Originally Posted by Mike16
I was leaning towards the old stuff... vintage stuff for 303 324 371 and 394. Vintage parts that people can share images of.
From the Don Garlits Museum of Drag Racing in Bellview, Florida.













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