s5 turbo stock wastegate question

FerociousP · 07-29-2008, 10:14 AM

with an open exhaust I expected it to boost creep a little higher than 7, with the ported wastegate I expected that to control that condition. I didn't expect 5-6 psi with a open exhaust.

I was looking for confirmation that it was in fact the wastegate actuator (spring and diaphram part) and would replacing it OR getting a boost controller be the best option, and then hopefully someone would offer a spare actuator or direct me to another option..

its all good, I have... a plan...

I have to replace one of the exhaust gaskets anyway because of a big leak so when I take it all apart i'll give it a good look over and i might have a spare actuator by then...

07-29-2008, 10:14 AM	#18
FerociousP I-had-a-bad-experience... Join Date: Feb 2008 Location: M'boro Posts: 1,046 Rep Power: 19	with an open exhaust I expected it to boost creep a little higher than 7, with the ported wastegate I expected that to control that condition. I didn't expect 5-6 psi with a open exhaust. I was looking for confirmation that it was in fact the wastegate actuator (spring and diaphram part) and would replacing it OR getting a boost controller be the best option, and then hopefully someone would offer a spare actuator or direct me to another option.. its all good, I have... a plan... I have to replace one of the exhaust gaskets anyway because of a big leak so when I take it all apart i'll give it a good look over and i might have a spare actuator by then... __________________ '15 Juke Nismo '06 MX-5 GT SOLD '04 S Silver RX-8 GT Track Day Use SOLD '90 Black TII vert w/ Sprint RE stock port/turbo DD dyno (242.6whp@5500rpm @12psi 8psi@redline) and (250ftlbtq@4800rpm @13psi) SOLD '89 GTUs 6p TII SOLD, '87 sport SOLD, '79 SA stock SOLD '91 B2600i 4x4 w/ Rx-8 LSD SOLD