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Grannas Racing 2000 Horsepower Supra dyno

When I first decided to try this CPC carbon manifold, I had my concerns. It was never before tested, a totally new product. Would it hold up to 45+ pounds of boost? Would it be able to handle 1500+ horsepower?


I never expected the gains to be quite this amazing, but it made 1741 on 48psi + 225 shot at 9300 RPM. And the power more than likely would have continued to climb as I normally rev the car to 10,000 RPM! Thanks to Darin Dichiara for the killer tune!

The other amazing detail in this whole situation is that this stock crank 3.0L built by Don @ Accelerated Performance is the SAME MOTOR AS LAST YEAR. Never refreshed, never even opened up. I probably have 50 passes on this motor. A true testament to Don's work, Darin's tuning, and the 2JZ platform.

This project was built by Joel Grannas featuring:

  • Stock crank, aluminum rod 3.0L 2JZ by Accelerated Performance
  • Headgames head with Kelford cams
  • Grannas Racing GR1000 magnum transmission (still factory gearset and synchros)
  • Darin Dicharia (Double D Tuning) race tune
  • Precision 8891 Gen2
  • Custom Plenum Creations Carbon fiber intake manifold
  • 12x Fuel Injector Clinic 1650CC injectors
  • Ignite Racing Fuel E85
  • ETS air-air intercooler
  • Tilton carbon clutch
  • Driveshaft shop IRS 9" rear kit

"Adding 15% for drivetrain loss, this car is making over 2000 horsepower"

Unfortunately, I was in the trunk keeping the car from spinning on the dyno so I do not have any good video of the run. Below is the full dyno chart. I am working on getting the run files so I can do an RPM comparison vs my previous intake manifold.

Grannas Racing 2000 Horsepower 1741rwhp

If your in the market for a manifold, this is the one you want. Not only is it super lightweight, but it experiences almost zero heat soak like an equivalent aluminum manifold. After each dyno pull we were putting our hands on the carbon fiber plenum comparing how cool to the touch it was versus the super heated intercooler piping.

Carbon fiber 2jz intake manifold

Why should buy it from me? I took the risk on these, fronted the money on something totally new and untested, and proved they are an amazing product. You can buy it direct from my site using paypal or a credit card. Click the intake manifolds link in the main navigation. Contact me with any questions

Here is a video of Darin setting up the 2-step