C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Nov 7, 2005 | 04:37 PM
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2025 c3 ('68-'73) of the Year Finalist - Unmodified
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Is it really true that the only aluminum intake that fits the LS5 big block stock hood is the factory one?
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Old Nov 7, 2005 | 04:42 PM
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Edelbrock Torker II fits but it's a pretty crappy manifold.
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Old Nov 7, 2005 | 04:56 PM
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If you want alum you have to go with a 68-69 stock BB manifold. A guy was selling one here on the forum a few days ago. I got one used for about $220. Check ebay also.
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Old Nov 7, 2005 | 05:58 PM
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No single plane manifold on a stock motor for me. The manifold itself may not be crappy if used in the right setup.

Does the 68-69 manifold have everything needed to bolt right up especially accessories?

Also, other than weight, any flow benefit?

Thanks Again!
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Old Nov 7, 2005 | 06:33 PM
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Accessories bolt to the head, not intake, and yes, the intake will bolt up
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Old Nov 7, 2005 | 06:55 PM
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I have a 71 BB with factory hood and i used Edelbrock performer with a drop base air cleaner and 2.5 K&N air filter,no clearence problems at all.
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Old Nov 8, 2005 | 12:18 AM
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If you can get a hold of an old Holley Street Dominator it should fit under your stock hood just fine. It is a single plane as well though, oops you said no single plane...oh,well.
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