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Intake for Vortec

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Old Aug 8, 2024 | 05:18 PM
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From: If your not the lead dog the view never changes Boise, Id
Default Intake for Vortec

What is the best manifold that fits under the stock hood of a 78 for a 383 with Vortec heads? Looking for the power band right off idle or close to it.
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Old Aug 8, 2024 | 07:01 PM
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Originally Posted by RockyL32
What is the best manifold that fits under the stock hood of a 78 for a 383 with Vortec heads? Looking for the power band right off idle or close to it.
Look at this, based on 2101
https://www.edelbrock.com/performer-...eads-2116.html
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Old Aug 8, 2024 | 08:50 PM
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https://www.summitracing.com/parts/pfs-52007#overview
This is the one I have, it fits with the stock carb and air cleaner on my 77. An Edelbrock would probably be better if it fits, not too many choices out there for vortec intakes.
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Old Aug 9, 2024 | 12:24 AM
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From: If your not the lead dog the view never changes Boise, Id
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Thank you both. I will take a close look at both of those. I am running a Sniper throttle body fuel injection with its distributor. If that makes any difference.
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Old Aug 9, 2024 | 05:23 AM
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Yes Rocky it does make a difference. Your Sniper is a square bore setup like a Holley carburetor.
The factory carburetor was a Rockchester Quadrajet with a spread bore. So, a manifold that supports the factory carb does not support a Holley. (Or your Holley brand EFI).
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Old Aug 9, 2024 | 09:34 AM
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Both intakes show dual pattern mounting. Unclear what you currently use for an intake and if you already have the Sniper installed.
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