T28 internal wastegate problem? possible upgrades? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

chipsahoy · 04-27-2014, 09:49 AM

Okay I have a 93' Nissan 240sx with a Blacktop S13 Sr20det. when I did the swap back in February of this year, I noticed it was boosting way to high. Come to find out that the wastegate was back. So I got a new Garrett wastegate from Z1 motorsports for like $25 since it was on sale. as you can tell it has barely been over 2 months and it crapped out again. I was only running stock 7psi which is what the wastegate is factory set for.

so i took the vacuum line off the engine side and blew into it using my mouth, I could hear air coming from the wastegate like the diaphragm inside had ripped or something

Any help or suggestions would be great on possible upgrades or even the ebay ones.

04-27-2014, 09:49 AM	#1
chipsahoy Leaky Injector Join Date: Dec 2013 Location: Georgia Age: 34 Posts: 59 Trader Rating: (0) Feedback Score: 0 reviews	T28 internal wastegate problem? possible upgrades? Okay I have a 93' Nissan 240sx with a Blacktop S13 Sr20det. when I did the swap back in February of this year, I noticed it was boosting way to high. Come to find out that the wastegate was back. So I got a new Garrett wastegate from Z1 motorsports for like $25 since it was on sale. as you can tell it has barely been over 2 months and it crapped out again. I was only running stock 7psi which is what the wastegate is factory set for. so i took the vacuum line off the engine side and blew into it using my mouth, I could hear air coming from the wastegate like the diaphragm inside had ripped or something Any help or suggestions would be great on possible upgrades or even the ebay ones.