Can someone explain to me what ported intake manifolds are And how its done I see all these aftermarket ported manifolds but I dont know what it is and the benefit. Not enough of the important areas to be ported can be reached from the intake openings, therefore porting the manifold while it's assembled results in a very poor and incomplete porting job and we will not release products as such in the name of savings. Intake and Exhaust - Ported Upper and Lower Intake Manifolds - Good or Mediocre - Hey guys Ive come across a port job for the upper and lower plenums. Thread starter mazdalexus Start date 1 mazdalexus Well-Known Member. The manifold will never be fully cleaned of metal dust and 2. Note: there are some manifolds, such as the small block Edelbrock performer (a dual plane) and the Weiand Accelerator that have reduced the cross-sectional area, at the gaskets, to the small 318 port sizes. (ported scatter) We are looking at 3 types of intake manifolds and modifications: Deep port match Will increase the airflow 15-25 CFM. Matching up ports, removing Rough Sand slag and finish, smoothing air turns pathways, balancin. Factory castings are often far off blueprint Specifications and centerline mating up with other components. We can also match the ports of your intake manifold to the intake gasket of your choosing for an additional cost. Answer (1 of 2): Ported intake manifold, cylinder heads, increased airflow if done properly. We will adjust the divider walls, taper, angles, textures, etc to substantially enhance distribution and pick up horsepower. We will not offer a cheaper service that skips these steps as 1. A ported scatter figure will indicate how equal the ports can be made to flow. Plenum porting is a porting service we offer where we port the plenum of the intake manifold. The ONLY proper and acceptable way to process these, in our opinion, is to split them apart and port/clean then reassemble. During R&D we found that these HAVE to be opened up if they are being ported, as the very light and fine Mg dust gets absolutely everywhere inside the plenum and no amount of water and air will fully remove it all if you leave the plenum as once piece. K-powered take it one step further and make this manifold even better.
We do not offer "stages" of this service since there is not enough material to remove to do different enough "stages" to make any noticeable difference. Rbc intake manifold is one of the best Honda factory ever made.The straightens and the angels of the runners helps the topend power band of the K series engine compare to the PRB and PRC or the other intake manifolds offered by Honda. We open up ALL of these manifolds and fully port/polish them. Introducing our Porting service for the J series 2pc magnesium intake manifolds. THE SALE, USE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER THE FEDERAL CLEAN AIR ACT (42 U.S.C. Due to current demand, all porting orders after 1/1/22 will take 3-5 weeks to complete, please email us before ordering if you have time restraints. WARNING : Cancer and Reproductive Harm.