My car constantly wants to run 10 psi, I have a manuel boost controller, bo no matter what I do, it wants to run 10 psi, any answers? Ive got a TiAL 38bb w/g.
- JTR
Your boost controller won't do squat if you have a 10psi spring in your W/G
okay, can you tell me how to tell what the spring is?
- JTR
it would be the sprin on the top of that housing.. i dont think that one is adjustable from the outsides so i beleive that you would have to open it up and possibly put in a new spring or adjust it some how... i could be wrong however.. anyone else???
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Yes, you need to get a new spring to put inside
The should have given you extra ones
And I have f-ing clue what spring is in it, call/email them and see what they say
okay so from what i understand, the more spring pressure, the higher boost correct? so if I were to buy the spring kits I would add or remove springs to reach my desired boost pressure?
- JTR
so wtf is the point of a boost controller if I have to change the springs?
- JTR
put down the turbo.
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Excidium wrote:put down the turbo.
whats that supposed to mean?
- JTR
anyone see the question about the boost controller? whats the point of it if i have to change the springs to achieve my desired psi?
- JTR
You cannot lower the boost pressure past the wastegate spring pressure. So a boost controller is really made fool the wastegate into opening the later so you can run MORE boost....not less.
If you have a 10psi spring in the gate, the lowest amout of boost that you will be able to run is 10psi. You understand now?
275hp & 306tq - 1999 2.2 ohv
13.2 @ 108 mph
-1996 2.4 liter + Turbo + Built motor + Torco + More boost = Lots o' Power
-2000 Mustang GT + 2004 Cobra motor, Whipple 2.3 supercharger,
built rear-end,Dodge Viper spec T56 6 speed, bolt-ons = wheelies at the track!!!!!
i have a .4 bar spring (6psi) for a 38mm tial waste gate its brand new i never used it bought it for $30.00 ill sell it for $20.00 email me if you want it.
You have bass I have BOOST
SunfighterGT wrote:Excidium - is that the 2nd or 3rd time you've said that? It's hilarious 
Another shining example of somebody putting on a turbo without truly researching what they were doing. This is why people blow engines.
JTR - This is why you are running 10lbs in your wastegate, boost controller or not:
Your wastegate opens and shuts via the pressure created from the compressor housing. At a pre-set spring-rate your gate will be forced open... thereby bleeding the EXCESS pressure and holding your turbo at a steady boost rate.
The spring in your wastegate is set to fully open and compress at 10 lbs.
Now - boost controllers work by bleeding off pressure on the SIGNAL LINE to the wastegate... thereby making it see LESS pressure than what there really is. If your gate is set for 10 lbs and you set the boost controller to bleed 3 lbs of boost, you can effectively make 13 lbs of boost because the wastegate itself only sees 10 lbs of boost - it thinks its open at 10 lbs.
This leads you to your problem. Your spring is set for a minimum of 10psi - your boost controller can ADD boost by bleeding off boost, but it can't take it away.
This is why you need a lower spring rate in the 'gate... so you can use the boost controller to bleed boost and add more boost to the equation, giving you more control.
So - that's your misson. New wastegate spring. 
Good luck, and as many have pointed out over the past few days of you blundering around with your turbo setup - read read read!!!! Don't drive that car an INCH until you can 100% guarantee you have everything you need man! 10 lb wastegate + no fuel mods + no timing mods = 2.2 litre paperweight.
We've seen it happen before, we'd like to not see it again. Good luck and be careful.
-Chris-
that helps alot, and yes the car is parked. I have not been driving it. I found out it was running 10psi and i parked it. No fulll throttle action. Okay I am buying a cartech FMU, 26lb injectors, high gph fuel pump, 4 bar wastegate spring and yes, Greddy emanage. I thought I had done all of my research, appearently not. I am documenting all of my mistakes and I am going to wright the solutions for all of them so others dont make the same. A custom turbo setup is alot harder than a kit. No doubt about it. I am also compiling a list of companys and pricing for ALL of the parts I aquired. Thank's for all of your help. And hopefully by next weekend we'll be makin boost.
- JTR
You should not need a FMU if you are using Emanage with injectors that are big enough.
275hp & 306tq - 1999 2.2 ohv
13.2 @ 108 mph
-1996 2.4 liter + Turbo + Built motor + Torco + More boost = Lots o' Power
-2000 Mustang GT + 2004 Cobra motor, Whipple 2.3 supercharger,
built rear-end,Dodge Viper spec T56 6 speed, bolt-ons = wheelies at the track!!!!!
Adler wrote:You should not need a FMU if you are using Emanage with injectors that are big enough.
the emanage is for a later date. the other stuff will suffice for now. I like the features the emanage has. But, as you all know, I am learning alot about the turbo side of all of this. I already know electronics, well, most of it
- JTR
dont worry about feeling like a dumba$$ im going into this boost $hit blind also so when my manifold gets here from canada ill be using all your threads as reference
"dude, thats a girls car"
Yea pop those Alens on the head of the wastegate and there is the spring, but hold the cap down when you are undoing the last one so that it doesn't fling you in the head.
On my wastegate there is usually colors that they go by.
Like my Turbonetics 35 mm is.
Red 5 psi
White 7 psi
Blue 9 psi
and then you have like 4 shims each shim is 1/2 psi extra, more load on the spring.
And you said you are going to get a 4 bar spring?? lol
I guess that would be about 58.6 PSI, god damn man. You go the Summit Cavi beat only running measley 50 PSI.
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SunCavi_L61T wrote:Yea pop those Alens on the head of the wastegate and there is the spring, but hold the cap down when you are undoing the last one so that it doesn't fling you in the head.
On my wastegate there is usually colors that they go by.
Like my Turbonetics 35 mm is.
Red 5 psi
White 7 psi
Blue 9 psi
and then you have like 4 shims each shim is 1/2 psi extra, more load on the spring.
And you said you are going to get a 4 bar spring?? lol
I guess that would be about 58.6 PSI, god damn man. You go the Summit Cavi beat only running measley 50 PSI.
ha ha yeah, sorry, .4 bar my bad. I hope that people in the future can use my threads to help them not feel like dumba$$'s.
- JTR
I was going to say 4 bar....thats about 56psi.......dude get the right stuff and go slow...tuning is what saves engines
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