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

flat tappet cam?

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Old Apr 11, 2025 | 09:43 AM
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maineolds
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From: Maine
flat tappet cam?
Hi friends, did the Olds 303 have a flat tappet cam? It's a term ive hard for years but dont really understand. Any help?
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Old Apr 11, 2025 | 09:57 AM
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oldcutlass
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Yes it has a flat tappet cam. A flat tappet cam does not have roller lifters.
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Old Apr 12, 2025 | 08:54 AM
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maineolds
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Thanks!
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Old Apr 15, 2025 | 10:46 AM
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madmax442.com
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From: Albuquerque, NM
Cam break in for a cam/lifters will be necessary. 20 min at 2000-2500 rpm, don't let it idle or you can likely flatten the camshaft lobes.
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