View Single Post
  #10  
Old 28-12-2015, 11:01 AM
rotrex rotrex is offline
Senior Member
 
Join Date: Jan 2014
Location: Germany
Posts: 187
Default Re: JET PLACEMENT FOR AIR FLOW (POST-MAF)

This intake locks like a manifold designed for central injection. For forced induction, it is good for uniform distribution as there is no change in air velocity across a chamber like in a log style manifold. To correct velocity for these, the chamber gets smaller in cross section as you go away from the air inlet.

You manifold is also reasonable symmetrical left to right. For port injection, you should be fine injecting on the flat top part of the inlet runner before the fuel injector. If you use a single nozzle, you could mount the nozzle righ in the middle, maybe a bit up, of those 4 bolt holes on the flat front of the manifold as all air has to pass this opening and the droplets do not have to take any sharp bends anymore.
If you add two 90 deg bends, it will change the flow pattern. But if you keep it symmetrical it won't change left/right distribution too much.
You could also consider moving that inlet opening on the manifold from the top to the bottom or the front as visible in the picture saving you a bend or two.
Reply With Quote