1UZ with GT40

[Lextreme II]

Finally got everything working properly. The car still needs more tuning. Still running a little rich on those Rx-7 injectors. The turbine housing is from Precision Turbo .82 A/R with the stand bearing GT40. From Vacuum (-18 psi) to 0 psi is about 1,700 to 1,800 rpm and it reaches 9 psi at around 2,500-2,700 rpm. The boost comes on very fast. My car has been sitting for a while now and the battery is not fully charged and I am working on that. (Split Sec requires the engine to be off when loading programs. On and off engine is not good for my weak battery right now.)

I plan to run 15 psi and I would not be surprised to reach that in mid or late 3k range. It will be very interesting to find out the potential of this motor.

 

[Pro]

sounds promising David. what are the std injector sizes?

i look forward to you posting the dyno graph!!!

 

[Red Supra]

Is you motor still stock internally?

 

[Lextreme II]

The motor is completely stock with the exception of thicker copper head gaskets (standard is .051", I have .093") along with ARP studs.

Standard US Spec 1UZFE injectors are 251 cc and i am running 550 cc. From my personal experience, the 550 will have lots of lead way for higher boost. I would say they would still be good around 20-23psi.

If tuned properly, i am sure the boost will come alot sooner.

 

[The Flea]

Very excitied to see the results.

 

[Red Supra]

I wouldn't say a lot sooner, maybe a 100 to 200 rpm earlier. If you think your turbo is too laggy, pickup a .68 a/r housing.