Quote:
Originally Posted by RICE RACING
Without wanting to read like HC!
Flow priority is far more important than shortness of pipes. The BIG problem you have with short manifolds is heat, fitment, durability.......... nothing dies faster than a short manifold and its allot more stressed than a longer one I find.
The turbine entry flanges do not last very long, especially on a divided unit, they warp and the center section gets eaten away and good luck keeping a gasket alive long term there too.
On turbo rotaries for a while now I have not bothered with divided entry turbine housings 1) they are not durable 2) they are a nightmare to keep a gasket up too 3) they are not really needed much for turbine response 4) they are way too heavy!
For rotaries the single entry Tial turbine housing is the only thing that is durable and will last I have found.
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What's your definition of durable? Like holds up well for people beating the shit out of their cars every weekend at the track? Outlasts the engine? Lives through a few oil changes?