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The beginnings of the dream, a completely bare block with only
the best ahead for it. Sadly this 2JZ-GTE was abused and was in need of a complete
rebuild. So with that in mind why not upgrade!
The pistons were destroyed, so the block was bored .020" over for a new set of forged JE pistons. JE pistons are close to the best for a Supra especially when combined with JE pro seal rings. To eliminate weak links in the engine the connecting rods were replaced with Eagle H-Beam rods with ARP hardware. The crank was also replaced since the last was cracked. The rotating assembly was also balanced to insure the health of the setup. The block has been treated to the "life" and will handle the power demanded from it. With a built bottom end you can't forget about the head. This head wasn't in terrible condition but did require some attention. The head was treated to a aggressive valve cut which allows for better airflow. It also received new OEM valves, springs, and buckets (rockers). But that wasn't the last of the work. The head was also opened up with a port job and knife edging, all to help flow more and more air. A Cometic 2.0mm MLS (multi layer steel) head gasket along with ARP U/C (undercut) head studs button up the 2JZ-GTE. With the internal modifications done to this once blown engine, it shouldn't ever fail. |
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When the 2JZ-GTE was purchased it didn't come with the factory
harness and ECU (engine control unit). This lead to the question, go with a
stock setup or upgrade? Given the modifications and the projected power the
engine would make, it was decided that an upgrade was necessary. After months of
searching a used Haltech E6A was found. The best part was this EMS (engine management
system) had been used on a 2JZ-GTE. So the wiring harness was already finished and
race proven. With this small item completed a large portion of stress was removed
from the project.
To give the car the stock look the EMS had to mounted in the place of the factory ECU. So factory brackets were modified to fit the Haltech EMS in the desired position. The wiring harness was also routed through the factory location for the same reasons. Although the glove box had to be cut a little to fit the serial cable through. The overall installation of the Haltech was quite easy and satisfying. |
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(click pictures to enlarge)
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