2.4L LE5 Performance Tech 16 valve 171 hp EcoTec with 163 lb-ft of torque

Exhaust ports

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Old Dec 3, 2008 | 01:25 PM
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Dunkinuts's Avatar
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Exhaust ports

does anyone know the sizing of the exhaust ports? I am looking at headers and I want to make sure I get as close as I can to the port size.
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Old Dec 3, 2008 | 01:47 PM
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2.5 or 3 ich
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Old Dec 3, 2008 | 04:39 PM
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on the block itself the ports at 2.5'' or 3''!?!?!? they are that large? i am not looking for the stock manifold primaries sizes.

no one?

Last edited by Dunkinuts; Dec 3, 2008 at 04:39 PM. Reason: Automerged Doublepost
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Old Dec 4, 2008 | 01:12 AM
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I have seen posts suggesting the ideal for a 2.4L is 1.5". (1.75" for 2.0L SC) It may be worth doing serious searching on this. You could destroy your low/mid range torque.
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Old Dec 4, 2008 | 01:49 AM
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right that is why i was wondering.
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