Nissan 370Z Forum - View Single Post - Fast Intentions Stage 2 TT build by MA-Motorsports.

Spooler · 11-05-2021, 11:15 AM

I made 996whp at 28psi of boost and 1004whp at 29psi of boost. This shows that my turbine wheel hit a limit. It was done. My high IAT's, which started to climb at 25psi, were caused by overspinning the compressor to make boost. It creates heat and that is exactly what we saw. I can correct the turbine limit by going to a larger exhaust housing which will add some lag, which I need. The only way to help the high IAT's is to run less boost. If I go back to 11:1 compression I won't have to run as much boost to get the same cylinder pressure to make the same whp.

11-05-2021, 11:15 AM	#4721 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,798 Drives: 2013 Nismo 370z Rep Power: 2684392	I made 996whp at 28psi of boost and 1004whp at 29psi of boost. This shows that my turbine wheel hit a limit. It was done. My high IAT's, which started to climb at 25psi, were caused by overspinning the compressor to make boost. It creates heat and that is exactly what we saw. I can correct the turbine limit by going to a larger exhaust housing which will add some lag, which I need. The only way to help the high IAT's is to run less boost. If I go back to 11:1 compression I won't have to run as much boost to get the same cylinder pressure to make the same whp. Last edited by Spooler; 11-05-2021 at 11:22 AM.