The D during the engine code means twin overhead camshaft (DOHC). That is attained by fitting an RB25DE or RB26DETT cylinder head and or turbo to an ordinary RB30E/T block. The RB25DET just isn't generally used. Although the official quoted electricity from the RB26 was 276bhp, it’s always been acknowledged https://buyrb26engine26935.blogdeazar.com/28358732/not-known-facts-about-new-rb26dett-for-sale