for the cost of the cts+ box you could get an mtx in including the shafts so whatever power your after an mtx should be on your shopping list and don't use a rod linkage one get a cable shift, you'll want a black top engine as head is slightly better, get a set of pistons/rods of jano a set of ian howells springs for the head have it allput together right with either a t3 stage 3 or t34 on some type of ex manifold depending on your budget and you can use 2 litre sump as they've got the right shape for ex to go through the rest is as rob above said, any other stuff just ask and will help if i can