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996 Turbo - uprated manifold on K24 600 bhp?

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YOUR RESEARCH996 Turbo - uprated manifold on K24 600 bhp?

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Run 2.0 bar plus of boost

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Suggestion · Original poster
The only experience I have with manifolds is on the old 2.0L Mirdubishi Evo turbos and they typically didn't have any real impact until running 2.0 bar plus of boost.
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996 Turbo - uprated manifold on K24 600 bhp?

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Leading evidence: 'Run 2.0 bar plus of boost' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Run 2.0 bar plus of boost' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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Run with hybrid turbos up

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Suggestion
I did it on mine many years ago, that was running with hybrid turbos up to over 600hp.
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996 Turbo - uprated manifold on K24 600 bhp?

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Run 2.0 bar plus of boost

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Suggestion · Original poster
The only experience I have with manifolds is on the old 2.0L Mirdubishi Evo turbos and they typically didn't have any real impact until running 2.0 bar plus of boost.
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996 Turbo - uprated manifold on K24 600 bhp?

Run with hybrid turbos up

No successful repair reported for this finding.

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Reported fixes: 0
Unsuccessful attempts: 1
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Suggestion
I did it on mine many years ago, that was running with hybrid turbos up to over 600hp.
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996 Turbo - uprated manifold on K24 600 bhp?

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POST 1 / ORIGINAL POSTEROriginal post

Hi all, has anyone done any testing on whether a set of larger branch ID and/or equal length branch manifolds are beneficial at around 600 bhp with K24 turbos? The only experience I have with manifolds is on the old 2.0L Mirdubishi Evo turbos and they typically didn't have any real impact until running 2.0 bar plus of boost. What's worse, some of the after market stainless ones would crack and leak, so the standard mild steel ones were preferred. Basically I think people found the runners are so short they have minimal impact. Does the same hold true on 996Ts? :?

POST 2Original post

don't know the answer, but it's worth looking on 6speed, Rennlist etc as the Americans seem to be more adventurous with these sorts of modifications.

POST 3Original post

If you have a die grinder and some patience you can do some work on the standard manifolds to improve them. There is a lot of intrusion from the welds in to the ports. There are a few threads on the internet about it. I did it on mine many years ago, that was running with hybrid turbos up to over 600hp. MC

POST 4 / ORIGINAL POSTEROriginal post

Thanks, I'm no stranger to a bit of amateur porting and polishing! Do you have any links to speed up my search? :thumb:

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