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SRDmotorsports Cylinder head & manifold porting

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    SRDmotorsports Cylinder head & manifold porting

    Sleeping Performance & Mechanical Repairs are pleased to announce that we now offer cylinder head porting services from our techincal partners SRDmotorsports. Ralph the owner of SRD, took time out to give you a detailed explination of what they have to offer.


    SRDmotorsports specializes in Engine development and builds, as well as Cylinder head development, catering to specific application and demands that suit the end-user (customers) without compromising reliability. We have established a partnership and development deal with Sleeping Performance & Mechanical Repairs
    and thus, they will have special rights to offering our cylinder head packages. We will be working with them closely with each project and development in the current and upcoming future
    - Ralph @ SRDmotorsports

    We have developed specific stages for ease of reference (but will always have specific work developed when needed or requested)


    STAGE 1 : Street package - for B-D-H and Kseries
    - port shaping and rework to optimize flow for max torque at the earliest rpm as possible with emphasize on port efficiency
    - usually prefered and good for mild street to occasional weekend track/road racers (and typical drag)
    - leak tested and fully assembled ready to run (valve upgrades and valvetrain additional)

    **We have a b18c with this work done to it back in 2010, with dyno figures nearing 200whp dynojet on stock ITR intake rubber pipe + Mugen air box with filter, Toda v1 header ,60mm test pipe and catback to a chamberd muffler





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    STAGE 2 : Hot Street package - for B-D-H and Kseries
    - a more extenstive port shaping and rework, to suit specifically to cam choice, compression and rpm preference, while still emphasizing on port effiency
    - its a step up from the Street Package and covers a higher performace use for both road racing/track and drag
    - leak tested and fully assembled ready to run (valve upgrades and valvetrain additional)
    - this uses our custom spec VJ cutter courtesy of Rocket Motorsports and Newen

    **We have a d16 with mismatched parts that recieved this head with dyno figures. It was an all motor d16 but unfortunately running a 10:1 turbo CP pistons, so the lack of compression had us realize the Hot Street package was needed to garner more specific development. It made 149whp dynojet, with the revs limited, tho it was still wanting to make more power above the rev limiter





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    STAGE 3 : Race package - for B-D-H and Kseries
    - extensive port shaping and rework to specific cam choice (lift and dur) to application and power/rpm goals
    - chamber rework and developed for application etc
    - uses our special cutters for mult-angle valvejob courtesy of Rocket Motorsports and Newen
    - leak tested and fully assembled ready to run with Rocket Motorsports valvetrain suited for the application when possible
    **Specify for Road race or Drag application, will need full engine spec/plan and goals











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    Manifold Porting
    - manifold porting is a big "aid" to improved cylinder head flow, where we can manipulate configuration to aid in more rpm power... and or more torque in the midrange, depending on the head used + compression/specs of the whole engine









    For all inquries, please drop us a PM or email sleepingperformancehq@gmail.com
    Last edited by sleepingperformance; 09-09-14, 03:30 PM.
    Sleeping Performance & Mechanical Repairs: Balance, Feedback, Response

    Ph: +61397947767
    Address: 6/253 Princes Hwy, Dandenong VIC 3175
    Email: josh@sleepingperformancemr.com.au
    Website: www.sleepingperformancemr.com.au
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