NOT KNOWN FACTS ABOUT RB26DETT COMPLETE ENGINE

The D from the engine code means twin overhead camshaft (DOHC). This really is achieved by fitting an RB25DE or RB26DETT cylinder head and or turbo to a normal RB30E/T block. The RB25DET is not normally used.The main solution is sticking with the individual throttle bodies. This offers you a decision of an even bigger flowing plenum from Plazmaman