DIY projects

Discussion in 'RE Club Malaysia' started by 13btt, Sep 28, 2005.

  1. Alchemis

    Alchemis Senior Member
    Senior Member

    Joined:
    Dec 13, 2005
    Messages:
    1,416
    Likes Received:
    47
    in my car it's the rear bushings... the center console as long as the brackets are still around, it's basically quiet...

    the other alternative.. change a downpipe, midpipe and a large exhaust... those noises are basically nothing anymore.... :)
     
  2. keisukosan

    keisukosan Senior Member
    Senior Member

    Joined:
    Aug 18, 2006
    Messages:
    316
    Likes Received:
    7
    got anyone try install super charge inside rotary?:driver:

    Bump: got anyone try install super charge inside rotary?:driver:
     
  3. savahn

    savahn Senior Member
    Senior Member

    Joined:
    Feb 16, 2007
    Messages:
    323
    Likes Received:
    60
    Not likely in Malaysia. Such mods are very expensive here. In oz, there is a Motec employee who built a super-turbo-charged FD. Not sure how that went though. Supercharger helps spool the turbo, reduces lag but the price is expected to be quite high - especially if attempted in Malaysia with our ridiculous weak ringgit and stupid excise duties.

    Rotaries are ideal for turbocharging due to the "pulsing" nature of the exhaust. With a weak low end, adding a supercharger may not have much benefit. Furthermore, superchargers run very hot - apparently. Since rotaries already run very hot, adding both would mean seriously uprating the cooling system.
     
  4. keisukosan

    keisukosan Senior Member
    Senior Member

    Joined:
    Aug 18, 2006
    Messages:
    316
    Likes Received:
    7
    When can i see the super turbo charge fd pic?u got the website?those rotary can make it more low temp went runs the rotor?anyone make it b4?:driver:
     
  5. savahn

    savahn Senior Member
    Senior Member

    Joined:
    Feb 16, 2007
    Messages:
    323
    Likes Received:
    60
    Dear Keisukesan,

    you ask a lot of questions that are best answered by your best friend... google.com

    And please read my post properly, your questions already answered.
     
  6. keisukosan

    keisukosan Senior Member
    Senior Member

    Joined:
    Aug 18, 2006
    Messages:
    316
    Likes Received:
    7
    Haiya i not good in english tats why many people also say tat to me,hope u dun mind... :wavey:
     
  7. savahn

    savahn Senior Member
    Senior Member

    Joined:
    Feb 16, 2007
    Messages:
    323
    Likes Received:
    60
    As I said, I dont know how that worked out. A Motec technician told me about it - apparently, the electrical harness is made here in Malaysia.

    Rotaries run hot, turbos just soak up the heat and superchargers are worse. There is no way to make a low heat rotary in that configuration. Unless you have multiple radiators and multiple pump systems.
     
  8. adamckc

    adamckc Senior Member
    Senior Member

    Joined:
    Mar 26, 2006
    Messages:
    129
    Likes Received:
    19
    just to share with you my self-made carbon fibre side step for fd.. ha ha.
     

    Attached Files:

  9. adamckc

    adamckc Senior Member
    Senior Member

    Joined:
    Mar 26, 2006
    Messages:
    129
    Likes Received:
    19
    this the late pic of how to strengtern the inner door handle,, 1st pic has the inner door cup strengterned with metal plate at the friction area.. i drilled it to become bigger hole to allow the screw to go thru. 2nd pic has additional screw into the part of metal very close to the pulling part.. i also had to make a little drill..
     

    Attached Files:

    #49 adamckc, Sep 4, 2011
    Last edited: Sep 4, 2011
  10. AvanT

    AvanT Senior Member
    Senior Member

    Joined:
    Mar 20, 2009
    Messages:
    351
    Likes Received:
    110
    Anyone interested in porting the intake & exhaust holes for FD?

    Anyone wanting their RX to sound as if U're running high cams....blaa...blaa...bla....bla....

    Work done on precision CNC machining center, all "LEFT-RIGHT" porting will be equal & symetrical...guarantee!! Only a balance porting job can bring out the full potential of your rotary monster.

    Will upload photos of a complete FD engine we just completed....

    Engine will be assembled & dynoed next week...

    wwns@hotmail.com / 012-283-3635
     
  11. phat7

    phat7 Senior Member
    Senior Member

    Joined:
    May 21, 2004
    Messages:
    2,122
    Likes Received:
    62
    AvanT This is awesome!! It is so important to have ports match balanced.
     
  12. AvanT

    AvanT Senior Member
    Senior Member

    Joined:
    Mar 20, 2009
    Messages:
    351
    Likes Received:
    110

    Our CNC porting includes machining of 4 intake ports & 2 exhaust ports.

    INTAKE:
    FRONT housing (1-port)
    MIDDLE housing (2-ports)
    AFT housing (1-port)

    EXHAUST:
    2 ROTOR housings (1-port each)

    See pics for better understanding.....ENJOY =D

    ---------- Post added at 11:40 PM ---------- 6 hour anti-bump limit - Previous post was at 11:31 PM ----------

    INTAKE:
    FRONT, MIDDLE, AFT housing
    [​IMG]

    EXHAUST:
    2pcs ROTOR housing
    [​IMG]

    wwns@hotmail.com / 012-283-3635

    ---------- Post added at 11:51 PM ---------- 6 hour anti-bump limit - Previous post was at 11:40 PM ----------

    Closeup pics of the INTAKE ports, notice the equal & symmetrical shape & dimension of the FRONT, MIDDLE & AFT housing.
    [​IMG]

    [​IMG]

    [​IMG]

    ---------- Post added 09-25-2011 at 12:04 AM ---------- 6 hour anti-bump limit - Previous post was 09-24-2011 at 11:51 PM ----------

    Closeup pics of the EXHAUST ports on the 2 ROTOR housing, also see the already machined, but unpolished surface inside of the port
    [​IMG]

    [​IMG]

    wwns@hotmail.com / 012-283-3635
     
    #52 AvanT, Sep 25, 2011
    Last edited: Sep 25, 2011
  13. AvanT

    AvanT Senior Member
    Senior Member

    Joined:
    Mar 20, 2009
    Messages:
    351
    Likes Received:
    110
    CNC precision machining the seal slot to fit the thicker & better quality SuperSeal on the 2 rotors. The new SuperSeal is 1mm thicker than the standard apex seal.

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]

    wwns@hotmail.com / 012-283-3635
     
  14. Alchemis

    Alchemis Senior Member
    Senior Member

    Joined:
    Dec 13, 2005
    Messages:
    1,416
    Likes Received:
    47
    i can feel some big power coming up.......long life... BRAP !
     
  15. SomeGuy_sg

    SomeGuy_sg Senior Member
    Senior Member

    Joined:
    Oct 2, 2004
    Messages:
    159
    Likes Received:
    6
    I hope those are not your finished ports in the pics. If they are , I would suggests that you do not sell them as is. There are a few points to take note of.

    1. All the ports be it exhaust or intake need to be chamferred/beveled out. Those area are important as there are opportunitiess for the seals (corner or side ) to get caught on the closing / side edges of the port.

    2. Chamfering / Beveling out those area allow for less chatter as the seals have a smoother transition from the from the opening of the ports to the closing of the ports.


    A 2mm border with a 20 to 40ish degree bevel / chamfer would be sufficient. No need to be all gungho about it and make it and exact angle.
     
  16. AvanT

    AvanT Senior Member
    Senior Member

    Joined:
    Mar 20, 2009
    Messages:
    351
    Likes Received:
    110

    U're right about the importance of smooth transition when the seals rub pass the ports, but I think the correct process here is blending "radius", not "chamfer", chamferring normally creates a sharp 45 or 30 degree angle. See below for what we did....

    ...HAND POLISH
    [​IMG]

    wwns@hotmail.com / 012-283-3635
     
    #56 AvanT, Oct 20, 2011
    Last edited: Oct 25, 2011
  17. AvanT

    AvanT Senior Member
    Senior Member

    Joined:
    Mar 20, 2009
    Messages:
    351
    Likes Received:
    110
    Finally have the engine in the car & running-in after much delay.
    See followings pics for car on dyno for fine tuning....bllaang...blaaang...blaang...bllaang...
    Boost was set at 0.6bar max for run-in period... result....310+ WHP at 0.6bar boost!!!
     
    #57 AvanT, Nov 23, 2011
    Last edited: Dec 16, 2011
  18. AvanT

    AvanT Senior Member
    Senior Member

    Joined:
    Mar 20, 2009
    Messages:
    351
    Likes Received:
    110
  19. AvanT

    AvanT Senior Member
    Senior Member

    Joined:
    Mar 20, 2009
    Messages:
    351
    Likes Received:
    110
    Dyno chart for RX7 with CNC porting of intake+exhaust, max boost set at 0.6 bar

    [​IMG]

    wwns@hotmail.com / 012-283-3635
     
  20. adamckc

    adamckc Senior Member
    Senior Member

    Joined:
    Mar 26, 2006
    Messages:
    129
    Likes Received:
    19
    due to shortage of parts,, started this project for modifying master power window switch,, due to poor response towards the previous posting ,, i would make long story short,, connect the wire (easy la plus minors electric points bla bla) then make bigger hole or reduce size of switch then voala,, ready..
    if you think it is easy it is because you havent tried it hands on till whole biji(assembly) is produced.. if you need more info could pm me.. welcomed.
     

    Attached Files:

    #60 adamckc, Dec 22, 2011
    Last edited: Dec 23, 2011

Share This Page