Hello Gents,

building a new cosworth engine at the moment, some nice internals like ARROW crank, 136,5mm Rods, linered, long studs, oil spays, fully ported head, bigger valves...all that s***

i need a perfect flow tubular manifold, where to get?

and i donīt know what turbo going for?! Garrett Gt or Borg Warner EFR8374?!?!

Which Spec of Turbocharger? 0.82 0.95 1.05? internally gated? external?

need some advice...SPECIALISTS please help