Originally Posted by
bgreen why is the first one so blue...but the others one are just lupis....shouldnt they all be even?They should be even, but it's a side entrance manifold and they all have this problem to one extent or another. Basically the first cylinder is not getting as much air as the rest. It can be designed around, but it's sort of the problem with side entrance manifolds. You have to aim the entrance somewhere, and it either over feeds cylinder 1 or starves it. Generalizing here...