Rotary Car Club - View Single Post - boosting a 4-port na

BigIslandSevens · 10-08-2009, 06:54 PM

5-7 psi is what I have seen run on N/A S4&5 engines.That is a "safe" #. I have seen others run 10+ also and not have issues. But They also had alot of fuel and ECU mods.

10-08-2009, 06:54 PM	#2
BigIslandSevens Rotary Fanatic Join Date: Feb 2008 Location: Denver, NC Posts: 201 Rep Power: 18	5-7 psi is what I have seen run on N/A S4&5 engines.That is a "safe" #. I have seen others run 10+ also and not have issues. But They also had alot of fuel and ECU mods.