Sw20 boost control

The place for all technical car discussions. If you haven't already, read our Disclaimer first!

Moderator: The Mod Squad

Post Reply
User avatar
MR2SIK
Toyspeed Member
Posts: 2016
Joined: Tue Nov 25, 2003 8:30 pm
Location: Christchurch

Sw20 boost control

Post by MR2SIK »

Ok this is doing my head in,
Car came with the turbosmart dual stage boost controller, no matter how often I messed with the settings, it would hit 13-15 psi once, then go back to 8-10psi.
Ended up getting a blitz duel solenoid sbc, set it to 14psi auto learn and would get 10 psi. Turning it off would see factory 7-8psi.
Have since found the t vsv was still connected, cut the hose between it and the actuator and blocked off both ends, now will only get 5psi regardless if the ebc is on or off? How does this work??
Had also tried it on manual duty cycle mode using a variety of % between 50-100 with no change.

I pulled the hose for the fuel cut/ factory gauge back before all this too.

Guessing it's something obvious and simple that I have overlooked :x
2011 Ford Mondeo tdci.

Hey, at least it sounds like a 3s.

1990 MR2 GT garage queen
Heylin
Toyspeed Member
Posts: 682
Joined: Sun Mar 23, 2003 10:37 am

Re: Sw20 boost control

Post by Heylin »

ditch the electronic and get a manual one like a GFB atomic for a start, my old MR2 pulled 185+kw atw running a steady 16psi.

If anything the manual one is simpler to setup and may pin point you to other issues.

If its locking up at 5psi regardless is sounds like the factory actuator on the turbo may be stuck slightly open and not allowing you to build above 5psi ?
Heylin
User avatar
Al
Toyspeed Member
Posts: 6146
Joined: Mon Jan 20, 2003 10:52 pm
Location: Christchurch
Contact:

Re: Sw20 boost control

Post by Al »

Stick with the EBC and get it working.

Pulling the plug for the t/vsv is much easier than cutting and plugging those hoses. Much quicker to return to stock as well.

Bring it over on the weekend and I'll have a look for you.
85 Corolla GT - 08 Blade Master G
Image
User avatar
MR2SIK
Toyspeed Member
Posts: 2016
Joined: Tue Nov 25, 2003 8:30 pm
Location: Christchurch

Re: Sw20 boost control

Post by MR2SIK »

Al wrote:Stick with the EBC and get it working.

Pulling the plug for the t/vsv is much easier than cutting and plugging those hoses. Much quicker to return to stock as well.

Bring it over on the weekend and I'll have a look for you.


Just saw this post :oops:
If ya still keen to help out i will get in touch and sort something once I get it woffed :lol:
Got a couple of months before I head out of town again which is a refreshing change.
2011 Ford Mondeo tdci.

Hey, at least it sounds like a 3s.

1990 MR2 GT garage queen
Post Reply