Camshaft ID SBC S274 Ac - Hot Rod Forum : Hotrodders Bulletin Board
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Old 04-09-2010, 10:03 PM
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Camshaft ID SBC S274 Ac

I just pulled this camshaft out of a builder 350 I picked up. On the end it is either a S or 5 274 Ac and that's it. Not much luck on a google search, anybody have an idea what it is?

Thank you,
-John

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Old 04-09-2010, 11:44 PM
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Sounds like the sealed power cs274. Lots of rebuilders use this cam or one like it in another brand. Lift is like .398/.410 and duration at .050 is around 194/204
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Old 04-10-2010, 12:21 AM
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Quote:
Originally Posted by GMC boogie
Sounds like the sealed power cs274. Lots of rebuilders use this cam or one like it in another brand. Lift is like .398/.410 and duration at .050 is around 194/204
Thank you, looks like lift was .390/.410, a true power maker ha?
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