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20G-9 Install Can't get boost under 1.7 bar?

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Old Jan 8, 2006 | 11:39 PM
  #16  
David Buschur's Avatar
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Hmmm, more an more I notice people don't read what someone writes...

In your first post you said you are running the upgraded actuator from us.

The upgraded actuator, hooked straight up to a boost source and run directly to the actuator will run 22-23 psi of boost.

Most if not all manual boost controller, including the Hallman, have a small air bleed in them. This small bleed lets the boost pressure escape from the line when you lift off the throttle. If that wasn't there the wastegate would hang open when you shifted and kill response.

This small hole, even when the boost control is turned all the way down, will also cause you to run a few extra PSI of boost over what the actuator itself does.

If you aren't running alky or race gas then running the hose from a boost source directly the actuator is probably going to be the best idea. The boost is going to hit 22-23 psi peak and fall off from there. Depending on the combination and efficiency of the engine it could fall as low as 18 psi like mine did. After using the AEM boost control I set it up to run 22-23 psi flat lined to 7,000 rpm.

David Buschur
www.buschurracing.com
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Old Jan 9, 2006 | 04:13 AM
  #17  
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Ahh I see. Honestly I should have asked/read a little better on the upgraded actuator... although 22psi is the ballpark number I want to run on pump gas. This is the same range I was running with the stock turbo with great results.

I wasn't getting much taper last night at all.. maybe 1 or 2psi at most. Ahh can't wait to get injectors and a tune so I can really have fun.
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Old Jan 9, 2006 | 05:38 AM
  #18  
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Looks like the hallman is working now! I can now get boost just a hair above what the wga is set at.. maybe .5 - 1psi higher.

Basically the only use for the MBC now is for when I have race gas I think I may end up selling the hallman cockpit and getting Forge unit as it looks a lot better and I really won't need the in-cabin control nearly as much now.

Very happy camper
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Old Jan 9, 2006 | 07:00 AM
  #19  
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When I was using a manual controller what I did was just unhooked it for pump gas and then hooked it back in for race gas. Two very fast effective boost levels.

David Buschur
www.buschurracing.com
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Old Jan 9, 2006 | 07:11 AM
  #20  
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hey whats going on, i have a question. i ordered that same turbo from u but i didnt get the upgraded wastegate, now do i just use the stock wastegate with the new 20g-9 or does it come with one? also is that what the instal kit is used for, to make the stock wastegate fit the new turbo?

also i was planning on running no more than 1.5bar with the new 20g-9 on pump so will i have a problem with the stock wastegate and a hallman?
Originally Posted by davidbuschur
When I was using a manual controller what I did was just unhooked it for pump gas and then hooked it back in for race gas. Two very fast effective boost levels.

David Buschur
www.buschurracing.com
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Old Jan 9, 2006 | 07:14 AM
  #21  
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deadbeattrec,

The EVO9 comes with a new actuator. The EVO8 actuator will not work on the turbo. The HD actuator is optional but the turbo does come with the new standard actuator.

You won't have a problem getting over 1.5 bar but if you plan to run that much all the time I think the HD actuator works a little better.

David Buschur
www.buschurracing.com
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Old Jan 9, 2006 | 07:15 AM
  #22  
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Sounds like a plan Dave.. I think I'll end up doing the same.

I'm pretty sure the 20G-9 comes with the standard oem wastegate unless you specify/pay for the upgraded unit. I don't think you'll have any problems
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Old Jan 9, 2006 | 07:26 AM
  #23  
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perfect response from the both of u, not sure u guys would understand what i was trying to say, but u did. thanks.

ps. dave i live in albany ny, so if i wanted for u to instal the turbo and tune it , i would have to drive 8-9 hours, do u ever go to pruven in ct? thats where my car was dynoed and tuned b4 by big Al. seeing how my garage has a fullyrestored 1962 ford galaxie 500xl in it there isnt much room to instal the turbo so i have to have someone do it, but pruven is the only place i know and trust that is semi close to me. any sugestions on where to get it installed and tuned that is close to albany ny?
Originally Posted by davidbuschur
deadbeattrec,

The EVO9 comes with a new actuator. The EVO8 actuator will not work on the turbo. The HD actuator is optional but the turbo does come with the new standard actuator.

You won't have a problem getting over 1.5 bar but if you plan to run that much all the time I think the HD actuator works a little better.

David Buschur
www.buschurracing.com
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Old Jan 9, 2006 | 08:01 AM
  #24  
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Doh! I missed the upgraded actuator
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Old Jan 9, 2006 | 08:03 AM
  #25  
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Just do like you said. Go to Pruven for install and tune, since Al is right there and would do your tuning at Buschur anyway if you were getting a flash.
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Old Jan 9, 2006 | 08:08 AM
  #26  
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yea i guess, i just have to see if Al can be there the same day i get it installed.
Originally Posted by Warrtalon
Just do like you said. Go to Pruven for install and tune, since Al is right there and would do your tuning at Buschur anyway if you were getting a flash.
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Old Jan 9, 2006 | 09:11 AM
  #27  
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wow, just saw this thread, So as easy as it sounds looks like i just have to set all my EBC settings to 0 when i get the new turbo!

Justchil, what size injectors are you going with?
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Old Jan 9, 2006 | 09:23 AM
  #28  
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somewhere around 680 - 780.. whatever Dave recommends.

Man I swear if it's not one thing it's another. I blew my lower IC pipe off the turbo on lunch. I know that thing was tight! I took off the starter to get more torque on the bolts. I guess I'll be putting locktite on them tonight.

I just need the car to run fine so I can get some rest lol.
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Old Jan 9, 2006 | 09:33 AM
  #29  
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man i cant wait until the problems start with me. i plan on getting a set of 780cc injectors when i instal the 20g-9. hey justchil , what gaskets did u have to buy and did u replace any studs/nuts? also how much was that pipe that connects to the turbo and the lower intercooler pipe? does the stock peice fit or no? i want to have everything ready for instal b4 i get the turbo. one more thing, what come in the instal kit? maybe that will answer some of my questions.thanks guys
Originally Posted by justchil
somewhere around 680 - 780.. whatever Dave recommends.

Man I swear if it's not one thing it's another. I blew my lower IC pipe off the turbo on lunch. I know that thing was tight! I took off the starter to get more torque on the bolts. I guess I'll be putting locktite on them tonight.

I just need the car to run fine so I can get some rest lol.
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Old Jan 9, 2006 | 09:43 AM
  #30  
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Originally Posted by justchil
somewhere around 680 - 780.. whatever Dave recommends.

Man I swear if it's not one thing it's another. I blew my lower IC pipe off the turbo on lunch. I know that thing was tight! I took off the starter to get more torque on the bolts. I guess I'll be putting locktite on them tonight.

I just need the car to run fine so I can get some rest lol.
it will happen, when i do it all it will be with locktite and tbolt clamps!

Man i can't wait until i get my turbo!
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