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Building the Nissan VQ37VHR part 2

  • Mike Kojima

On the bottom, the windage tray is the next part to go on.

We had to grind the windage tray slightly to clear the ARP studs.

Next the JWT oil pump pick up extension is installed.

The JWT oil pan extra capacity spacer is installed with the oil pan.  The engine now has an extra quart of oil.

The knock sensors are bolted down.

Next the lower intake manifold is installed.

Our engine is now ready to be installed into its 370Z!

Stay tuned, there are a lot more parts to be installed in our next segment and we will get the car up and running with a tune, and dyno time.

Part 1

Part 2

Part 3

Part 4

Sources

Jim Wolf Technology

Z1 Motorsports

K1 Technologies

King Bearings

JE Pistons

WPC – Metal Surface Treatment

Related

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Related Topics
  • JE Pistons
  • Z1 Motorsports
  • JWT
  • VQ37VHR
  • Intake
  • Infiniti
  • intake manifold
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  • K1 Technologies
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  • Cams and Valvetrain
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  • Headers and Exhaust
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Previous Article
  • SC300
  • Projects
  • Lexus

Project SC300 Road Racer: Part 30 – Sometimes You Finish Where You Should’ve Started

  • Erik Jacobs
View Post
Next Article
  • Tech

What is WPC Treatment and Why Do We Use it?

  • Mike Kojima
View Post
9 comments
  1. K. Ly says:
    July 1, 2020 at 6:32 pm

    Replacing with upgraded oil gear only is sufficient versus full upgrade of oil pump assembly and cover? Always pondered the value in doing so or maybe there’s a horsepower threshold so any insight is appreciated.

    Reply
    1. Avatar photo Mike Kojima says:
      July 2, 2020 at 9:35 am

      Basically the pump capacity is ok, the problem is the gears break at high RPM.

      Reply
      1. K. Ly says:
        July 21, 2020 at 7:17 pm

        Kojima-san, thank you for sharing your insight so I decided to purchase the full assembly including the billet cover from Boundary. I also opted for their MartenWear for convenience since they also offer this service although there are other things I may reach out to you separately regarding WPC. Stay well.

        Reply
  2. Nicolas Girard says:
    July 2, 2020 at 5:31 am

    Other than the bizaro heads the block looks similar to the VR38 and drag racers are pushing around 1100hp out of the stock block, 1700hp with sleeves, and up to 3000 on a billet block.

    The VELL is trick but it locks you out of a lot of otherwise simple modifications.

    Reply
    1. Avatar photo Mike Kojima says:
      July 2, 2020 at 9:34 am

      It is pretty close to the VR. With tuning the VVEL system can give you a bunch of power.

      Reply
  3. Jorge Flores says:
    January 23, 2021 at 4:01 am

    What are the benefits from using the larger valves from a titan truck ? Was there any modifications done to make them fit ?

    Reply
    1. Avatar photo Mike Kojima says:
      January 23, 2021 at 11:31 am

      more flow. The seats must be cut for the larger valve.

      Reply
  4. Jim Norris says:
    February 23, 2023 at 1:57 am

    Hi,
    In the build you used the Titan valve is sodium filled for better cooling and is 1 mm larger for better flow. As the VQ35HR is similar will the same valves fit as was done on the VQ37VHR if so what is the OEM part number so that I can purchase them.
    Thanks for your many articles on Nissans
    Regards
    Jim

    Reply
  5. Avatar photo Mike Kojima says:
    February 23, 2023 at 2:43 pm

    google is your friend!

    Reply

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