1. shootr2506

    shootr2506 Well-Known Member

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    Hi all ,I recently got my hands on a few 340 standard bore blocks and the 30 over rotating assembly to make a 340 into a 416 stroker motor . Looking to build a street strip set up the transmission is reverse valve body 727, What heads and cam do you recommend for this motor thank you
     
  2. 70aarcuda

    70aarcuda Master Hoader of SBM FABO Gold Member

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    Dont know how much money you have but i would buy the Trick Flow 190 heads...Cheaper in the long run.
     
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    • MOPAROFFICIAL

      MOPAROFFICIAL FABO Gold Member FABO Gold Member

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      Trick flow 190, victor 340, 850 carb ,Solid roller cam w/ .575-.610 lift and the rest spec'd to your gear/weight/tire/compression.
       
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      • Oldmanmopar

        Oldmanmopar Going left turning right FABO Gold Member

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        Indy 360-2 Heads. around a 700 lift solid roller cam. between 12 and 13-1 compression.
         
      • Wyrmrider

        Wyrmrider FABO Gold Member FABO Gold Member

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        woah
        what are you planning on doing with this build
        lot of difference between trailer tow and bonneville
         
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        • oldkimmer

          oldkimmer FABO Gold Member FABO Gold Member

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          Do u want a 3/4 cam or a full cam? Kim
           
        • Wyrmrider

          Wyrmrider FABO Gold Member FABO Gold Member

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          krooser has a 3/4 cam in his "can I fix this" thread
          maybe even a 7/8 cam
          I guess this means
          how wide a torque band do you need?
          which a lot depends on gears and converter
          a stip build only needs what the rpm drops to after a shift
          You need????
          think this trough before thinking about parts
           
        • shootr2506

          shootr2506 Well-Known Member

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          More street than strip
           
        • autoxcuda

          autoxcuda Well-Known Member

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          What gear and rear tire diameter?

          What octane gas
           
        • rumblefish360

          rumblefish360 So close, yet so far away FABO Gold Member

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        • 67autocross

          67autocross A new iron curtain drawn across the 49th parallel

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          I generally try to get my cams for free, it really cuts down on the cost of them...
           
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          • shootr2506

            shootr2506 Well-Known Member

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            373 with 295/55/15
             
          • shootr2506

            shootr2506 Well-Known Member

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            373:gears tire is 295/55/15 ,
             
          • famous bob

            famous bob mopar misfit FABO Gold Member

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            Out of curiosity, what did u give for the 340 blocks ?
             
          • dodgedifferent2

            dodgedifferent2 Well-Known Member

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            Indy 360-1 or w2 heads
            Call lunati with your specs for cam reccomendations
             
          • PRH

            PRH Well-Known Member

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            That’s pretty much it in a nutshell.

            Unless you plan on running tall gears and a pretty low stall converter...... then an RPM would probably make more sense for the manifold.
            I’d also be okay with a solid flat tappet cam.
             
          • Wyrmrider

            Wyrmrider FABO Gold Member FABO Gold Member

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            Thanks with putting up with the kidding
            you do have a few serious responses
            you cant really pick the cam till you pick the heads and compression and exhaust
            or
            pick the cam duration to give you the rpm you want then pick the heads and pistons
            but if you already have the pistons do some compression ratio calcs with different heads
            assuming close to 0 deck for some tight quench
            once you go around the possibilities a couple of times you can pick a cam with your rpm desires (and axle and converter) with lots of area under the curve to get the most average torque
            (race car you would be going for max toque for the rpm at the shift to top end - but that's not you.)
            example
            Krooser and I just ordered a custom solid lifter cam
            could we have made more HP for bracket racing?
            sure
            but it's a circle track build and has to pull from 3000 on restarts and sometimes 3500 with traffic in a corner and if really lucky 4000-4500 on a perfect corner exit
            so we have to limit our duration- sorta like an Engine Masters instead of a bracket racing build...
            Turns out we can make more power past the flag stand with some higher lift rockers- but that will have to wait till next year
            Finish line is at the flag stand so going faster past the flag stand is something that can be deferred :)
            so what pistons (compression height) and rod length == deck clearance ( block been decked?) if higher rpm read the oil stickie
            dome or dish
            give all the details and the members here can be very helpfull
            stuck at home- how can you tell
            cheers
             
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