Post by
marty1mc »
https://forums.nicoclub.com/marty1mc-u151866.html
Sun Apr 11, 2010 7:15 pm
I would go with the 2jz over the 1jz. The 1jz uses ceramic impellars on the exhaust turbine. It has an upper limit of 1 bar max boost. That is about 14.7lbs. They ceramic impellars tend to come apart over time as well and are very hard to find.
Also, the fan setup on the 1jz is elaborate, cool and a pita. The cooling fan isn't electric or belt driven, it's a "hydro-fan." The water pump on the 1jz also turns an oil pump that drives the hydro-fan. The fan is amazing and far superior to any mechanical or electric fan I have seen. It puts out something like 6000cfm.
However, the pumps are only available from Japan and cost over $700.