Whats the stock boost setting on ISR 3871R turbo? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

unicoder · 04-08-2018, 01:39 PM

Does anyone know what the stock wastegate boost setting is on this turbo?

I have a boost gauge, but want to be 100% sure I am hitting the right boost amount after doing my boost leak test. From my searching i believe it is to be 7psi

I haven't adjusted the actuator at all, I am running it exactly as it came in the box.

anthony_240 · 04-09-2018, 08:23 AM

It’s higher than 7... I had to adjust mine when I got it... if you have a hand held pump you can find out...

Take the line off from the turbo , leave it connected to the waste Gate , T it off, one side to your boost gauge one side to your hand help pump...

Pump it, as you build pressure your boost gauge will go up, what ever number your boost gauge hits where the watergate starts to open is where it is set at .. adjust accordingly

Sent from my iPhone using Tapatalk

RalliartRsX · 04-09-2018, 08:28 AM

100psi........

Use a pump to test your gate. Done. Check youtube how. It takes 2 mins and a $20 bicycle pump or similar. Also, when you did a boost leak check, you should have also tested your wastegate setting using the same pressure source.

04-08-2018, 01:39 PM	#1
unicoder Zilvia Member Join Date: Apr 2017 Location: Alabama Posts: 160 Trader Rating: (2) Feedback Score: 2 reviews	Whats the stock boost setting on ISR 3871R turbo? Does anyone know what the stock wastegate boost setting is on this turbo? I have a boost gauge, but want to be 100% sure I am hitting the right boost amount after doing my boost leak test. From my searching i believe it is to be 7psi I haven't adjusted the actuator at all, I am running it exactly as it came in the box. __________________ 5.3 V8 Swap w/ Nitrous Last edited by unicoder; 04-08-2018 at 02:53 PM..

04-09-2018, 08:23 AM	#2
anthony_240 Zilvia Junkie Join Date: Nov 2016 Location: Los Angeles Age: 33 Posts: 489 Trader Rating: (3) Feedback Score: 3 reviews	It’s higher than 7... I had to adjust mine when I got it... if you have a hand held pump you can find out... Take the line off from the turbo , leave it connected to the waste Gate , T it off, one side to your boost gauge one side to your hand help pump... Pump it, as you build pressure your boost gauge will go up, what ever number your boost gauge hits where the watergate starts to open is where it is set at .. adjust accordingly Sent from my iPhone using Tapatalk

04-09-2018, 08:28 AM	#3
RalliartRsX Post Whore! Join Date: Apr 2006 Location: Maryland Posts: 4,791 Trader Rating: (32) Feedback Score: 32 reviews	100psi........ Use a pump to test your gate. Done. Check youtube how. It takes 2 mins and a $20 bicycle pump or similar. Also, when you did a boost leak check, you should have also tested your wastegate setting using the same pressure source.