Originally Posted by 1fast750ss
Also, the rocker cover on the inlet side is different and machined to fit the R manifolds. A stock 996 rocker cover cannot be machined to fit as it would leak if machined to fit.
Yep, I always forget about those bloody rocker covers! They are pretty darn special!
But at least we are all in agreement, the work needed to make a retrofit using the R components isn't worth it. The single injector TB solution should work fine. I still don't understand why the 996 has an issue with the stock injectors...