.90 S400 Turbine Housing

CR From Hell

CR From Hell

Never Satisfied
Joined
Oct 31, 2007
Messages
1,031
Fixing to make the drive back to Georgia from El Paso, and I'm looking to make drivability a bit better. Just wanted to see if anyone had a .90 turbine housing for the new 87/81 wheel. I'm currently running a 1.0 that I could trade if anyone wanted to go that route as well. Let me know, thanks guys!
 
Man I feel you on this one. Mine is pretty dang laggy too. Im just worried that the drive pressure might get outta hand if I go to a .90
 
I can drive mine with little effort, got it pretty much figured out, I'd just like to cruise back without having to worry about a thing. I ran 2 475/87/.90 before this. Each with a different comp wheel design. Drive and boost were equal all the way to 60#. This new 76/87/1.0 actually keeps drive about 5# less than boost, I don't think the .90 housing will have much if any negative effect on drive pressure. Are you seeing similar results with your set up?
 
CR From Hell said:
I can drive mine with little effort, got it pretty much figured out, I'd just like to cruise back without having to worry about a thing. I ran 2 475/87/.90 before this. Each with a different comp wheel design. Drive and boost were equal all the way to 60#. This new 76/87/1.0 actually keeps drive about 5# less than boost, I don't think the .90 housing will have much if any negative effect on drive pressure. Are you seeing similar results with your set up?
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Thats awesome man! I dont have a drive pressure gauge in mine..probably need to get on that lol So you think Id me ok going to a .90?
 
I'm sure you'd be fine. The gauge would obviously give you a number to work with, but with the exception of slightly larger injectors your set up is very similar to mine. I haven't worried about drive pressure since I switched to the 87 wheel.
 
I got a .8 t6 to try instead. Im working on a full rebuild for racing only i dont think my engine is firing all 6 and my hg is leaking
 
Interesting! I'm excited to see how your build goes, definitely make a thread. Also, let me know when you switch housings, I'll pm you my number. Thanks!
 
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