The Central Hub for DSM Community and Information

For 1990-1999 Mitsubishi Eclipse, Eagle Talon, Plymouth Laser, and Galant VR-4 Owners. This is where the DSM platform history is documented and archived. Log in to help us in our mission, and to remove most ads from the browsing experience.

boost controller install problems

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.

kre8ive_kustomz

15+ Year Contributor
135
0
Aug 18, 2004
Green Bay, Wisconsin
ok, first off this problem is with my 95 tsi, i installed a manual boost controller, ball and spring type..... just to be sure im not a dumb ass first off, i installed it between in the tee in the hose coming from the supply line to the wastegate actuater, this is correct right? anyway, got everything all hooked up but no matter how i have it set my boost gauge shows a press of 14 max but the vacuum now goes all the way down to 20 if i accelerate then let off the petal, no matter what gwear im in. one thing i did notice is when i take off it seams to lag a bit, if i let off the pedal slowly i get more power right before the bov burps. also i noticed that the bov is much louder, i already know my guage is crap, bought it on ebay and if the needle is around 0 it goes crazy, just shakes, its some "mooker" brand. also, is there a way to change the air/fuel ratio without getting an afc? any help would be greatly appreciated. thanks, john :talon:
 
what do you have for a blow off valve?
if you answere is stock turn your boost back down and that was your problem

and how the heck do you have it installed could you explain where you are getting the boost from and where it is going?
if you have a t-25 or t-28 i would feed it off the nipple on the turbo and send it to the nipple on the wastegate actuater, and if you have a mistu turbo i would supply it with boost from the manifold to bov line

not to insult you but i don't think you are up to the task of messing with your a/f ratio. you will need something like a datalogger to moniter your a/f ratio, and yes you can slightly adjust it using the screw on the bottem side of you mafs(covered in goo) but i wouldn't recomend it, most people who do make there cars run like shit
 
after reading your cars profile i see it is stock. but it could be wrong

if you have a stock bov you need to keep the boost down because the stocker on a 2g leaks at around 13-14 psi and when it leaks off the boost when your controller is set to open the wastgate at 15+ psi the controller never gets enough pressure to lift the ball bearing up and push the wastgate actuater open, so it just stay closed running all your exhaust through the turbine wheel of the turbo causing the turbo to spin as fast as it can and unfortunatally the t-25 is a ####y and can't spin very fast without blowing up

so you need to set your boost controller at 12 psi until you get a aftermarket bov.
 
ok, did a bit or research and the greddy type s looks pretty good to me, anyone have this bov and have had any problems? also, anyone know if this bov needs an adapter of can i just tig a tube in?
 
Add Value - Be Respectful - No Trolling - No Misinformation - Participate Often!
Support Vendors who Support the DSM Community

Build Thread Updates

Latest Classifieds

Back
Top