i am putting a abf into a mk2 using the subframe from the donor car, i have been offer a tsr 4 branch very cheaply is there a way of making it fit with out catching the bulkhead i know i need a solid front mount because of the lack of flexi -also what power should be i expecting with abf bottom end, dave crissel head, wur mod, 50mm manifold, jetex 2.5 exhaust unsure about which cams to use have both kr and abf cams guessing the abf help lower down torque and kr cams are more revvy top end