Ported intake gain?

Small Block Mopar Engine

  1. 79410aspenrt

    79410aspenrt Well-Known Member

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    i have no idea why they said not to port. i would think a W2 headed engine would see some gains but i'm no expert.
     
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    • fishmens67

      fishmens67 FABO Gold Member FABO Gold Member

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      That's because it's hard to gauge a 100th gained or lost in ET on a sorted car.
       
    • rumblefish360

      rumblefish360 I have escaped the evil Empire State! FABO Gold Member

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      I’m sure there would be a gain but as mentioned above, gain vs cost may not be effective. Also, just how good is the manifold in question? That may be something there?
       
    • 79410aspenrt

      79410aspenrt Well-Known Member

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      Victor W2 single plane intake.
       
    • Rapid Robert

      Rapid Robert Well-Known Member

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      [QUOTE foot speed controller or router speed controller in pictures.[/QUOTE] is the top one a harbor freight item?
       
    • pittsburghracer

      pittsburghracer FABO Gold Member FABO Gold Member

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      is the top one a harbor freight item?[/QUOTE]


      This is all harbor freight stuff. The picture of my stuff is from eBay. 0CF8BE90-F989-4ABD-AFE1-C3520EBC166B.jpeg
       
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      • 33IMP

        33IMP Well-Known Member

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        As referenced in the port matching thread here, engine masters did a back-to-back-to- back test of three intakes, super Victors on a 550hp small Chevy. Stone stock ootb, port matched, and Wilson ported.
        Ootb 546hp
        Port matched 554hp
        Wilson ported 564hp.
        Ootb manifold was $375, Wilson was $1000, so $625 for 18hp.
        For a milder motor I would expect milder gains.
        Edit: forgot to mention, ALL gains were above 5300-5400. Most gain (more than at peak) was at 7000.
        2nd edit: tried a $100 tapered 1 1/2 spacer on the Wilson, made another six hp.
         
        Last edited: Jan 12, 2022
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        • rumblefish360

          rumblefish360 I have escaped the evil Empire State! FABO Gold Member

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          All part of the baby steps of getting more out of a combo. Then hence the phrase, speed costs, how fast do you want to go?

          I see very little gains on a plane ol’street engine that people just bolt together. Worthwhile? Per individual I guess. While the gains on a serious engine will be more, it is getting pricey to get there.
           
        • Rat Bastid

          Rat Bastid Dunamis Metron

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          Who did you call? For 900 bucks you should get 20-30 hp. There isn’t an out of the box intake that doesn’t need work. Some more than others, and the Victor W2 needs work.
           
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          • roccodart440

            roccodart440 Well-Known Member

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            15hp will change ET, so that's the first lie.
             
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            • Mopar Sam

              Mopar Sam Well Fed Member

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              What is your opinion of the W2 Strip Dominator?
               
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              • Rat Bastid

                Rat Bastid Dunamis Metron

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                Nothing wrong with them. I have a Victor and a SD in the shop. They both take some work. I haven’t seen any intake manifold that won’t improve by a pretty good margin when ported. Just so there is no confusion, I’m talking about cast manifolds. A sheet metal intake shouldn’t need any work. If it does, send it back.
                 
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                • pittsburghracer

                  pittsburghracer FABO Gold Member FABO Gold Member

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                  Probably the best intake I’ve ever seen out of the box was a B1 big block intake. I don’t think I had over an hour spent on it.
                   
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                  • Rat Bastid

                    Rat Bastid Dunamis Metron

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                    I lost my butt on a set of BB Edelbrock knock off heads. The heads weren’t too bad, but the Edelbrock intake was terrible. I forget the part number.

                    I told the guy 400 bucks to clean the intake up, but I had 800 in it to get it where it should have been. Had so much core shift I almost had to weld it, and the runners were reverse tapered.

                    I no longer quote porting prices on manifolds I haven’t worked on before or have at least looked at. I look at it first.
                     
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                    • pittsburghracer

                      pittsburghracer FABO Gold Member FABO Gold Member

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                      I’m sorry I guess I was wrong. I went back and looked at my B1 pictures and I did have more than an hour in it. Not a crazy amount of time though for an intake that’s flows over 400cfm bolted on a set of heads. FD0BF902-81C8-4E26-BCBB-047A48C066D6.jpeg
                       
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                      • RAMM

                        RAMM Well-Known Member

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                        Porting and intake properly is actually MORE work than porting 8 intake ports and I agree--A big number might show up on the dyno but ET won't really change. Youre intake is not really undersized for your cubes IMO--Just clean it up, radius any real sharp stuff and bolt it back on. Go to Princess Auto and grab a die grinder AIR/Electric that you like and go to town. I hate porting intakes and guys around here charge $1200+. J.Rob
                         
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                        • MOPAROFFICIAL

                          MOPAROFFICIAL FABO Gold Member FABO Gold Member

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                          I remember this topic bringing up whether some were flowing the intake 'flange down/backwards' or pushing through it. As in regards to the Intake by itself.

                          I've done that before, Its not the correct way though. You can see 340's cfm backwards from a vic 340 ootb ...then see it's really choking it to 245cfm bolted on a 270+cfm port.
                          Gasket match, blend it to the runner, blend the flange/plenum...and 'leave the rest if you can't test'
                           
                          Last edited: Jan 14, 2022
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                          • MOPAROFFICIAL

                            MOPAROFFICIAL FABO Gold Member FABO Gold Member

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                            The above ,That's not a method that makes it all perfect and equal, not saying it is...just once you start playing with the runner walls/dividers effecting their lengths..its anywhere then. It becomes a reengineering/redesign.
                             
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