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HCR32 Turbo upgrade

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  • Next87
    started a topic HCR32 Turbo upgrade

    HCR32 Turbo upgrade

    Hey guys
    I am planning on doing some work this winter while the car is parked.
    I will be upgrading to a top mount manifold and going with gt3540 turbo.

    Just wondering if you guys have any tips or suggestions? Or if there is anything else I should upgrade/change since I will be running a bigger turbo?

    This is my first time doing anything like this so any help is appreciated!

    Thanks

    Chris

  • Next87
    replied
    Great info guys! Thanks so much

    Leave a comment:


  • jonask
    replied
    like BigBlueR32 says,

    to achieve my 300 whp, I had to change fuel system (denso pump connected directly to the battery and sard injectors), I put an hks clutch flywheel, I put an Z32 MAF, greddy FMIC, 3inch exhaust, nismo engine and tranny mounts
    However, I kept my stock coilpack

    Leave a comment:


  • BigBlueR32
    replied
    There is a bit more involved depending on your power goals.

    Fuel Pump - Stock one will run out as you get closer to 300hp
    Injectors - 270cc injectors stock, these will also limit your max power. Closer to 250whp
    MAF sensor - This unit is upgraded with a Z32 MAF, but requires a small amount of rewiring (z32 plug) as well the ECU will need to know its been upgraded.

    Those 3 items will be a biggest road blocks to more power, but you will still need;

    -ECU, can look into getting a Nistune Board or a stand alone unit. As posted above find out what your local tuner can use.
    -Stock Coilpacks will typically be leaking by now, a set of splitfire coilpacks or similar will work great.
    -Installing a 3 inch exhaust will help with a bigger turbo as well. Turbo back for the largest gain.
    -With more power you will want to look at your engine and tranny mounts.
    -Front mount intercooler setup might also be worth looking into.
    -Last major item to consider is a clutch. OEM will struggle once you get over 250whp

    Building a 350-500 hp car is never cheap.

    Cheap / Fast / Reliable ........... pick 2

    Leave a comment:


  • jonask
    replied
    mine was an upgraded board with reprogrammable eprom.
    you can ask your tuner.

    Leave a comment:


  • Next87
    replied
    Thanks for the replies guys! Should I bring going with an aftermarket ecu? Or can I manage with the stock one?

    Leave a comment:


  • BigBlueR32
    replied
    Any higher then 20psi you will want to replace the headgasket and headstuds.

    Leave a comment:


  • jonask
    replied
    I had an hks gt-rs on my rb20, pulled 306 whp and 304 wtq (with poncams and adjustable camgears) on a mustang dyno.
    also the turbo spool was faster than the stock one.
    Last edited by jonask; 09-29-2015, 04:45 PM.

    Leave a comment:

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