FAST850R Posted January 31, 2012 Report Share Posted January 31, 2012 Hello, I have a stock 1996 850R and I read an article about adjusting wastegate. I checked mine and I actually had to lossen up the nut...shouldn't I tighten it up to get more response from the turbo? Everything is bone stock, nothing modified, nothing touched.... I could pull the wastegate actuator arm by force to make it tighter....is it correct way to do it? Please confirm how to do this in correct way. Thank you.I loosend it up by 2~3 turns to fit the arm into c-clip. No tension between the c-clip and the wastegate. I drove my car but I didn't feel any changes. Thanks. Link to comment Share on other sites More sharing options...
Hoosier Daddy Posted January 31, 2012 Report Share Posted January 31, 2012 you want to shorten the arm by a few turns at a time. try 3-4 and see how it drives. As the arm will be shorter, you will have tension on the wastegate when you reconnect the arm Link to comment Share on other sites More sharing options...
Dick Dastardly Posted January 31, 2012 Report Share Posted January 31, 2012 Actuator needs to be pressurized before actuator arm is placed on wastegate. If you did this with out proper PSI on the actuator your wastegate isn't properly adjusted. This IPD video covers it..start @ 5:00 in for your car. There is chart at the end for PSI settings..you don't need their tool, just a handheld vac. pump that will do pressure as well Link to comment Share on other sites More sharing options...
FAST850R Posted January 31, 2012 Author Report Share Posted January 31, 2012 you want to shorten the arm by a few turns at a time. try 3-4 and see how it drives. As the arm will be shorter, you will have tension on the wastegate when you reconnect the arm Thank you very much for the reply. I wanted to make sure whether it's ok to have tension on the wastegate. I'll adjust it now and post here! Link to comment Share on other sites More sharing options...
FAST850R Posted February 1, 2012 Author Report Share Posted February 1, 2012 Actuator needs to be pressurized before actuator arm is placed on wastegate. If you did this with out proper PSI on the actuator your wastegate isn't properly adjusted. This IPD video covers it..start @ 5:00 in for your car. There is chart at the end for PSI settings..you don't need their tool, just a handheld vac. pump that will do pressure as well Thank you for the link. I adjusted it without the vac pump. So 850r engine factory psi is 1.8, which is around 100mmHG, correct? After I properly adjust it, I can 2turns to tighten it for more reponsness, correct? Link to comment Share on other sites More sharing options...
bergmjs Posted February 1, 2012 Report Share Posted February 1, 2012 Thank you for the link. I adjusted it without the vac pump. So 850r engine factory psi is 1.8, which is around 100mmHG, correct? After I properly adjust it, I can 2turns to tighten it for more reponsness, correct? This makes no sense. Pressure and vacuum are two different units. Link to comment Share on other sites More sharing options...
Jardim Posted February 1, 2012 Report Share Posted February 1, 2012 Not only different units, but two different forces lol. Link to comment Share on other sites More sharing options...
volvos70turbo99 Posted February 1, 2012 Report Share Posted February 1, 2012 just shorten it by 2 full turns, should be safe enough and quicker spool. Link to comment Share on other sites More sharing options...
FAST850R Posted February 1, 2012 Author Report Share Posted February 1, 2012 Oops, I thought I could convert psi to mmHG. I guess I need to buy a tool... Any suggestion? Thank you Link to comment Share on other sites More sharing options...
FAST850R Posted February 1, 2012 Author Report Share Posted February 1, 2012 Never mind. I searched and found an answer. Thanks Link to comment Share on other sites More sharing options...
jschaefer7406 Posted February 2, 2012 Report Share Posted February 2, 2012 This makes no sense. Pressure and vacuum are two different units. Makes perfect sense. He was right, 1.81 psi is roughly 931 mm/Hg. I found this when using the Wife's blood pressure cuff to set my actuator ... Hope this helps, Joe Link to comment Share on other sites More sharing options...
FAST850R Posted February 7, 2012 Author Report Share Posted February 7, 2012 Makes perfect sense. He was right, 1.81 psi is roughly 931 mm/Hg. I found this when using the Wife's blood pressure cuff to set my actuator ... Hope this helps, Joe Thank you for the reply. I guess I am right then :) Link to comment Share on other sites More sharing options...
MarkoC70T5 Posted February 7, 2012 Report Share Posted February 7, 2012 Just a question i see that you stock need 1.81 PSI but what the value for a 19T that runs on 1.35bar. And how do you setup a custom turbo like a Garret. Are there any stock value's or is it al related to the Pressure the turbo runs on? Link to comment Share on other sites More sharing options...
T5wagon1717 Posted February 9, 2012 Report Share Posted February 9, 2012 You can tighten it a little, play around with it a little, but be careful, you can get very quick spool. Might want to get a mbc - you'll see more gain and also get quicker spool. But for a quick in the garage, adjustments adjust it to there the arm goes onto the clip with no play. Thats around the stock setting (on my car and a couple others it was, but some cars are different) and you could tighten it a little from there. Maybe a couple turns, but go up gradually. Have fun....get a boost gauge. Link to comment Share on other sites More sharing options...
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