Plumbed in my boost gauge between the aei unit and bottom of carb. The needle drops to -15 psi on idle....is that normal.?
Plumbed in my boost gauge between the aei unit and bottom of carb. The needle drops to -15 psi on idle....is that normal.?
Yes its normal, as already said it is measuring vacuum. At idle your turbo won't producing any 'boost' or positive pressure.