and that the RB25DET is what he was thinking of. They can make similar #'s as an RB26 and are already single turbo. He's referring to the fact that with dual manifolds, dual turbos, dual exhaust, big clunky intake manifold.... that adds a lot of weight an a lot of unecessary parts, as aposed to the ever famouse RB engines and J2Zgt blah blah engines. =o)