Rb20 topmount manifold recommendations

Thread in 'Technical Questions' started by Jordy mack, Jul 23, 2020.

  1. Jordy mack

    Jordy mack New Member

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    Hi
    I’m in the market for a topmount manifold and turbo for my rb20 does anyone have any recommendations and to where to get 1 from as I’m struggling.cheers
     
  2. Bjz97

    Bjz97 New Member

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    Best bet would be to get a custom one mate I think dude! Try apw engineering just had my manifold made by him! Only ever seen good things! As well as it having lifetime warranty
     
  3. Jordy mack

    Jordy mack New Member

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    Cheers for the reply,I never thought about getting one made how much did it cost you in the end?
     
  4. thebe

    thebe Member

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    I have a sinco manifold on my rb25 and its great quality. The twin scroll design is great aswell with the wastegate divider etc

    https://www.sincocustoms.com/
     
  5. Bjz97

    Bjz97 New Member

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    It depends what route and turbo you go down mate...
    mines a twin scroll Hx35 turbo and has a true twin scroll manifold design plus 2X external waste gates all in delivered think it cost me around £1400 but I think without the gates it would have been around £900-£950 worth it if you plan on keeping the car and running a reliable set up imo
     
  6. Jordy mack

    Jordy mack New Member

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    I’ve been thinking about a Holset turbo is yours a 12cm?

    How do you find it ?
     
  7. Jordy mack

    Jordy mack New Member

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    I’ve been looking in to sinco and heard great things about them aswel as 6boost what turbo you got on your 25?

    cheers
     
  8. Andy318ti

    Andy318ti Active Member

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    Sinco, 6boost or Walton are the only 3 I'd use.
    Hoslets are awesome make plenty low end torque and responsive.
    Have a look for an hy35 11cm
     
  9. thebe

    thebe Member

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    Well its actually rb30/25 in r33 but that doesnt really matter in this case. Running a he351(w) holset with a 14cm rear housing at around ,550hp/730nm. You can find more info and dyno graph in the holset thread :)
     

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