Evan Purple240zt Posted January 16, 2008 Share Posted January 16, 2008 Sorry if this is the wrong placement. I have a hybridz member making me a custom intake manifold for my RB right now. The popular "knowledge" says that RB's like to lean out on #6 with forward facing plenums and single TB's. I am curious to know how severe this effect will be with my new intake manifold. I am seriously considering meth injection but won't do it unless I know my air distribution is good. If the air distribution is good, then meth distribution would be good. Is there anyone anywhere who can flowbench an intake manifold for me? I know its not a perfect situation on a flow bench, but it would give me some chance to see whats going on. Or is this so prohibitively expensive that its pointless to spend the money. I know even the greddy runs the rear cyl. a bit lean. Thanks guys - Evan Quote Link to comment Share on other sites More sharing options...
Evan Purple240zt Posted January 16, 2008 Author Share Posted January 16, 2008 Well, after much reading it seems as if there is no good way to test a manifold besides strapping it to a motor. Evan Quote Link to comment Share on other sites More sharing options...
Guest Luigi Posted January 20, 2008 Share Posted January 20, 2008 Actually, there are a couple of ways to do this. 1) strap intake to head. head to bench. tape up the intake ports you not flowing (before you install intake) and start flowing. this will tell if one port in intake is working harder than another. it'll also tell you if your intake is a restriction. 2)tape intake ports that you dont wanna flow. make fixture (plate with hole that is about the size of the port) place on bench and flow. My buddies shop, Revolutionary Performance and Machine can do this for you. He has a website. google and call. hope this helps. Peace Luigi Quote Link to comment Share on other sites More sharing options...
Evan Purple240zt Posted January 21, 2008 Author Share Posted January 21, 2008 Thanks Luigi! Quote Link to comment Share on other sites More sharing options...
SidWell Posted February 17, 2008 Share Posted February 17, 2008 Contact 1 fast Z he has a bench flow rig. Quote Link to comment Share on other sites More sharing options...
Evan Purple240zt Posted February 17, 2008 Author Share Posted February 17, 2008 Contact 1 fast Z he has a bench flow rig. I find your avitar horrifying. Thanks for the tip, Ill let you guys know if I ever get around to it. Quote Link to comment Share on other sites More sharing options...
Tony D Posted February 18, 2008 Share Posted February 18, 2008 Check out Monzster's post on turbo plenum design. It may not be the flow of the manifold, but vorticies in the plenum that leads to the disparity in airflow. Sounds like CFD is what you want...to see where the problem may lie---and then get an idea how to best attack it! Good Luck. Quote Link to comment Share on other sites More sharing options...
Evan Purple240zt Posted February 18, 2008 Author Share Posted February 18, 2008 Check out Monzster's post on turbo plenum design. It may not be the flow of the manifold, but vorticies in the plenum that leads to the disparity in airflow. Sounds like CFD is what you want...to see where the problem may lie---and then get an idea how to best attack it! Good Luck. I have been watching the monzter thread on intake plenum design. Pretty serious stuff! Very interesting read. Thanks tony. Quote Link to comment Share on other sites More sharing options...
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