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Looking to run only 8-10 psi on a stock turbo.

4.6K views 24 replies 14 participants last post by  joey  
#1 ·
Now before you think im crazy, let me explain. My car is a Kia Forte Koup with the theta II motor (same as genesis coupe/world motor), and upon recent research, we found out while the gen coupe manifold doesn't fit on our cars, the evo 10 manifold does! My plan is to run a stock evo manifold/turbo but the problem is that my motor can only safely run around 8-10 psi. My question pertains to the stock WGA, does anyone know what the PSI is on the spring? It is to my understanding that as long as this is lower (or around) 8 psi or so, i should be able to use a boost controller and cap the psi at 10 psi, thus letting me run the set up without harm to my motor. Any information regarding this is much appreciated, thanks again.

(P.S. I am not looking to make huge amounts of power, so even the td05h at 10psi should still give me enough power for my application)
 
#6 ·
One of my friend did a evox turbo swap to his RA. I'll ask if he still has them. Give me a few.
 
#7 ·
Never mind he sold them.
 
#20 ·
ill trade you my RA stuff for your X stuff and you can put my RA stuff on the KIA and the KIA stuff on your X...PROBLEM SOLVED THREAD///////
 
#21 · (Edited)
So here is the problem I ran into with the turbo:

Image


As you can see the water pump line on my car hangs much lower then the evo one. When we were trying to get the turbo lined up with the manifold (manifold fit perfectly btw) It would get snagged against the water pump hard line.

So my options it seems is to either have a custom built spacer/flange between the manifold and the turbo, effectively lowering the turbo an inch or two, or sell the evo x parts and maybe invest in a ralliart or smaller turbo.
 
#22 ·
depending on how much clearance is needed, you could also get the coolant pipe modified...

I think attempting to space the turbo out will start other clearancing issues perhaps. I know you are trying to do this on the cheap, but if that water pipe is steel. it could be chopped up a bit and welded easily.