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The mkiv Supra Owners Club

T4 Twin Scroll Vs Vband Twin scroll


Jellybean
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  • 9 months later...

IMO any performance loss/gain over a conventional flange (t3/t4 etc) will be marginal, the advantages and disadvantages lie in the way both types fit and seal, vband being easier to fit and remove, and having a more consistent seal with no need for a potentially troublesome gasket, but a little bulkier so may be more difficult to fit in some instances. You would need a decent divided V band manifold in order to use one of those turbos though.

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IMO any performance loss/gain over a conventional flange (t3/t4 etc) will be marginal, the advantages and disadvantages lie in the way both types fit and seal, vband being easier to fit and remove, and having a more consistent seal with no need for a potentially troublesome gasket, but a little bulkier so may be more difficult to fit in some instances. You would need a decent divided V band manifold in order to use one of those turbos though.

 

Its the manifolds I’m looking into with Black Friday approaching y’see. There’s no price difference between a T4 twin scroll and a V-band (single scroll) one. Obviously that means needing a turbo to match so I was wanting to know if it would be worth my while to convert to V-band and sell my T4

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