Mazworx 2JZ-GTE Long Block Stage 2.8

The Mazworx 2JZ-GTE Long Block Stage 2.8 is engineered for enthusiasts seeking a robust and reliable engine foundation capable of producing over 1200 horsepower, tailored primarily for street applications.

Short Block, Stage 2.5

This stage includes meticulous labor processes to ensure durability and performance integrity:

• Hot tank cleaning and sandblasting with iron paint for block protection.
• Machining threaded oil port plugs and freeze plugs for enhanced sealing.
• Inline block resurfacing, cylinder resizing using a torque plate, and line bore resizing to factory tolerances.
• Complete crankshaft polishing, balancing, and thorough inspection.
• Short block assembly with precision fitting.

Key performance parts installed:

• CP heavy-duty pistons sized at 86.5mm with a 10.0:1 compression ratio.
• Manley Turbo Tuff connecting rods made from CA625+ material.
• ACL race bearing set for reliable operation under high stress.
• Mazworx billet main caps and ARP CA625+ main studs for enhanced strength.
• Mazworx threaded and O-ringed small and freeze plugs for improved sealing.

Stage 3 Cylinder Head

The Stage 3 head upgrade includes detailed labor steps to maximize flow and longevity:

• Removal, drilling, tapping, and replacement of oil port plugs.
• Blocking of the EGR port for optimized combustion.
• CNC porting and combustion chamber work tailored to Stage 3 specifications.
• Valve guide reaming and race-level valve job with lash setting.
• Intake side water pipe plug and machining of rear water pipe for a -10an ORB fitting.
• Final head resurfacing and careful assembly.

Upgraded performance components include:

• Supertech +1mm intake and +1mm Inconel exhaust valves.
• Supertech bronze valve guides and dual valve spring kit with 118 lbs seat pressure.
• Kelford DLC coated shimless buckets combined with Ferrea valve locks and Supertech valve seals.
• Kelford cams model T202-D with 272/278 profiles.

Complete Long Block Assembly

Final assembly and preparation steps ensure a ready-to-install engine:

• Complete long block assembly with clean and powder-coated valve covers.
• Spin and prime the oil system, verifying oil pressure.

Included premium parts and accessories:

• Kelford adjustable cam gears and ATI super damper with ARP bolt.
• Gates racing timing belt and ARP CA625+ head studs.
• RSP billet tensioner bracket and Mazworx 2JZ engine bolt kit.
• Shipping bracket kit for the 2JZ long block.
• Lucas Oil SAE 30 break-in oil (five quarts) and Wix oil filter.
• OEM water and oil pumps, along with new OEM seals and parts.

Customer Responsibilities

Customers need to supply a core GTE long block. The block can originate from either a 2JZ-GE or 2JZ-GTE; however, the cylinder head must be a GTE version, available in either VVTi or non-VVTi configurations.