Step-by-step Guide to Installing Arp Head Studs on a Toyota 2jz-gte for 700+ Hp

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Installing ARP head studs on a Toyota 2JZ-GTE is a crucial step for achieving high horsepower goals, especially when aiming for 700+ HP. This guide will walk you through the process step-by-step, ensuring you have the necessary information and tools to complete the installation successfully.

Tools and Materials Required

  • ARP head stud kit
  • Torque wrench
  • Socket set
  • Ratchet
  • Engine oil
  • Thread lubricant
  • Gasket scraper
  • Clean cloths
  • Torque angle gauge

Preparation Steps

Before starting the installation, ensure that you have a clean workspace and all your tools ready. Follow these preparation steps:

  • Disconnect the battery to avoid any electrical issues.
  • Remove the engine cover and any components obstructing access to the cylinder head.
  • Drain the coolant and oil from the engine.
  • Remove the intake and exhaust manifolds.
  • Take off the valve cover to access the cylinder head.

Removing the Cylinder Head

To install the ARP head studs, you must first remove the cylinder head. Follow these steps:

  • Loosen the head bolts in the correct sequence to prevent warping.
  • Carefully lift the cylinder head off the engine block.
  • Inspect the head and block for any damage or warping.
  • Clean the mating surfaces thoroughly with a gasket scraper.

Installing ARP Head Studs

With the cylinder head removed and surfaces cleaned, you can now install the ARP head studs:

  • Apply a light coat of engine oil to the threads of each head stud.
  • Insert the ARP head studs into the block, ensuring they are seated properly.
  • Use thread lubricant on the nut threads for a secure fit.

Reinstalling the Cylinder Head

Once the head studs are in place, it’s time to reinstall the cylinder head:

  • Carefully position the cylinder head back onto the block, aligning it with the head studs.
  • Install the washers and nuts onto the head studs.
  • Follow the specified torque sequence and specifications from ARP for tightening the nuts.

Torque Specifications

Proper torque is critical for the performance and reliability of your engine. Follow these specifications:

  • Initial torque: 30 ft-lbs
  • Second torque: 60 ft-lbs
  • Final torque: 90 ft-lbs
  • Torque angle: 90 degrees

Final Steps

After the cylinder head is securely installed, complete the following:

  • Reinstall the valve cover and any removed components.
  • Reconnect the intake and exhaust manifolds.
  • Refill the engine with oil and coolant.
  • Reconnect the battery and perform a final check of all connections.

Conclusion

Installing ARP head studs on a Toyota 2JZ-GTE is a straightforward process that can significantly enhance your engine’s performance. By following this step-by-step guide, you can ensure a successful installation and achieve your horsepower goals.