Originally Posted by chip-3door
Lee, the inlet manifold is anothe suspect.
Have you given any thought to replacing it?
correct my theory if you will. turbo's were essential invented to over come the restriction in the inlet tract/valves etc by forcing air past?
now i'm sure i'm correct by thinking that for more volume past a fixed size hole more pressure is required. hence turbo's. i realise i can run less boost but the same volume of air if the flow hole/tract in increased by size/flow characteristics. but hasn't this manifold already flowed enough volume at under 2 bar to give 400bhp over in sweden etc ?