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Motec M150 to Vette with factory BCM?

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Old 07-07-2015, 05:31 PM
  #201  
Tuomas FIN
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Originally Posted by slow ride
Jealous man, data for days.
Yep, and good safety limits. Really dont want blow the engine.. And mile pulls are pretty long compared to quarter..
Old 07-09-2015, 07:39 PM
  #202  
Tuomas FIN
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I must be the first who will make DKT housings with quad wastegates?





Old 07-09-2015, 07:41 PM
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Blackonblacksls
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Bleed off everything over 1:1??
Old 07-09-2015, 08:09 PM
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inspector12
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Originally Posted by Tuomas FIN
I must be the first who will make DKT housings with quad wastegates?





Yeah its a lot of work for that. With all the fab work you've put into the setup I believe a true T4 housing would have netted better results and not have to use 4 waste gates. I'm sure it will work as I have a friend that does something similar on his truck to try and bleed off excessive back pressure.
Old 07-10-2015, 02:46 AM
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Tuomas FIN
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Originally Posted by Blackonblacksls
Bleed off everything over 1:1??
Depends if possible..
Old 07-10-2015, 02:47 AM
  #206  
Tuomas FIN
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Originally Posted by inspector12
Yeah its a lot of work for that. With all the fab work you've put into the setup I believe a true T4 housing would have netted better results and not have to use 4 waste gates. I'm sure it will work as I have a friend that does something similar on his truck to try and bleed off excessive back pressure.
There is no clearance for T4 housings.
Old 07-10-2015, 04:20 AM
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Originally Posted by Tuomas FIN
There is no clearance for T4 housings.
Sure there is seen it first hand a few times. It's all about the orientation of them in the same spot. Have to put the flange on a slight angle.
Old 07-10-2015, 05:43 AM
  #208  
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Originally Posted by inspector12
Sure there is seen it first hand a few times. It's all about the orientation of them in the same spot. Have to put the flange on a slight angle.
Turbos are now horizontally in car compared how they are in DKT kit and about 1-1.5" above than DKT located them. Had to make frame mods get some clearance for turbine housings.
Old 07-10-2015, 07:28 AM
  #209  
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Tuomas, what's the need for the added gates? Is it simply to give you better (low boost) control?

Also have you seen how the Subaru WRC cars used to mount their turbos? They were almost vertical! lol

here are some pics: http://www.bing.com/images/search?q=...BrQ&ajaxhist=0
Old 07-10-2015, 08:59 AM
  #210  
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I don't see the purpose of that unless you are having boost control issues. Are you not able to run low enough boost? If you are having back pressure issues, you need a larger turbine and housing, not more wastegate.
Old 07-10-2015, 09:40 AM
  #211  
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Yea, more gate will equal less boost as you can't just reduce backpressure and keep boost pressure the same. I suppose you will be able to run a wider range of pressure with more gate surface area.
Old 07-10-2015, 09:51 AM
  #212  
Tuomas FIN
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Originally Posted by Unreal
I don't see the purpose of that unless you are having boost control issues. Are you not able to run low enough boost? If you are having back pressure issues, you need a larger turbine and housing, not more wastegate.
Yep, low boost issue, want about 700 hp setup to motec potentiometer, 2x46mm pte's are not enough keep boost under 10psi.
Old 07-10-2015, 09:55 AM
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Originally Posted by slow ride
Yea, more gate will equal less boost as you can't just reduce backpressure and keep boost pressure the same. I suppose you will be able to run a wider range of pressure with more gate surface area.
Exactly!
Old 07-10-2015, 10:07 AM
  #214  
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Originally Posted by chuntington101
Tuomas, what's the need for the added gates? Is it simply to give you better (low boost) control?

Also have you seen how the Subaru WRC cars used to mount their turbos? They were almost vertical! lol

here are some pics: http://www.bing.com/images/search?q=...BrQ&ajaxhist=0
I don't know why the link does not work??
Old 07-10-2015, 10:53 AM
  #215  
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Originally Posted by Tuomas FIN
There is no clearance for T4 housings.
Wait until you see my manifolds.

T4 housings
gravity drain
3.5" downpipes with only shaviing a small raised section off the walls.
Old 07-10-2015, 11:04 AM
  #216  
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Originally Posted by BLOWNBLUEZ06
Wait until you see my manifolds.

T4 housings
gravity drain
3.5" downpipes with only shaviing a small raised section off the walls.
Trouble maker!


Tuomas, fwiw there is definitely room for T4 housings in there. I've mounted 4 sets (including that Blownblue guys ) inside a C5 framework that's tighter. Still high enough for gravity drain and not hitting starter or frame. As Jeff said, it does require a bit of tilt and finesse.

Great work on the overall build. A lot of your work is pretty inspiring
Old 07-10-2015, 12:32 PM
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Originally Posted by BLOWNBLUEZ06
Wait until you see my manifolds.

T4 housings
gravity drain
3.5" downpipes with only shaviing a small raised section off the walls.
Definitely pics asap!!!

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Old 07-10-2015, 12:34 PM
  #218  
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Originally Posted by JDS99
Trouble maker!


Tuomas, fwiw there is definitely room for T4 housings in there. I've mounted 4 sets (including that Blownblue guys ) inside a C5 framework that's tighter. Still high enough for gravity drain and not hitting starter or frame. As Jeff said, it does require a bit of tilt and finesse.

Great work on the overall build. A lot of your work is pretty inspiring
Thanks for the compliments!!
Old 07-10-2015, 01:15 PM
  #219  
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Made sure we have a straight shot into each plug hole. Will be able to get a 4" pipe on both sides. Test fitment has already been done.

These are the Precision 6870s with the S cover and T4 housings.


Originally Posted by Tuomas FIN
Definitely pics asap!!!






Last edited by BLOWNBLUEZ06@RKT Performance; 07-10-2015 at 01:18 PM.
Old 07-10-2015, 02:20 PM
  #220  
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Originally Posted by JDS99
Trouble maker!


Tuomas, fwiw there is definitely room for T4 housings in there. I've mounted 4 sets (including that Blownblue guys ) inside a C5 framework that's tighter. Still high enough for gravity drain and not hitting starter or frame. As Jeff said, it does require a bit of tilt and finesse.

Great work on the overall build. A lot of your work is pretty inspiring
How much for a second set of those??


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