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MKTurbo NA/NB Turbo Setups

Old 12-30-2014, 07:56 AM
  #101  
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the size of the hole is less important than the channel leading up to it.

here was my port:



held perfectly solid.
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Old 12-30-2014, 10:19 AM
  #102  
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Hey Lars,

Could you measure or tell me the compressor outlet size. I'm going to be reusing my fm intercooler and piping and need to see if I'll need a reducer and stuffs.
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Old 12-30-2014, 10:23 AM
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Originally Posted by Braineack View Post
the size of the hole is less important than the channel leading up to it.



held perfectly solid.

What do you think about transitions into the port. So like smoothing the valley into the rest of the housing orrrr do you think how you have it keeps air channeled to keep higher velocity to add pressure to the waste gate.
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Old 12-30-2014, 10:58 AM
  #104  
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Originally Posted by ScottyP3821 View Post
Hey Lars,

Could you measure or tell me the compressor outlet size. I'm going to be reusing my fm intercooler and piping and need to see if I'll need a reducer and stuffs.
Turbo compressor inlet is 2.5", compressor outlet is 2.25".
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Old 12-30-2014, 11:07 AM
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Originally Posted by shuiend View Post
Turbo compressor inlet is 2.5", compressor outlet is 2.25".
Thank you Sir!
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Old 12-30-2014, 12:21 PM
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Originally Posted by ScottyP3821 View Post
What do you think about transitions into the port. So like smoothing the valley into the rest of the housing orrrr do you think how you have it keeps air channeled to keep higher velocity to add pressure to the waste gate.
the point is making it easier for exhaust to flow into the wastegate, removing all the material will pretty much put you back to square one.

enlarging the hole is when you have to worry about pressure against the flapper.

it's not about velocity or pressure, it's simply about flow.

is it easier for you to merge into traffic when you have to stop at an intersection and take a 90 turn or when you can stay at speed and take a nice yielded ramp?
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Old 12-30-2014, 01:10 PM
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I drive a miata so I take as many sharp turns as possible and use all the boost to accelerate.
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Old 12-30-2014, 03:46 PM
  #108  
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For an update to all the people who have bought setups. I just got off the phone with the machinist that makes the head flanges. I ended up doubling my order since so many people want my setups and the flanges have a long lead time. ETA is about 2 weeks until the flanges are done. I am hoping this will not push back deliver dates, but the first 2 might be a bit later then expected. Long term I am hoping to keep head flanges on hand to not have this issue. I even ordered my first batch before the group buy launched hoping they would get here by the end of December.
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Old 12-30-2014, 05:28 PM
  #109  
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Well that's good news to me and the others that plan on buying this later on
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Old 01-03-2015, 04:05 PM
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Originally Posted by shuiend View Post
I have ported the turbo a little bit. Not sure if it will need more porting or not yet, will decide on that once the weather gets nice out and I can actually tune and get some logs.
I need a bit more porting on the wastegate. I get a some creep in 4th gear. I think with some tuning this turbo should hit 12psi around 3500rpms.


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Old 01-03-2015, 04:27 PM
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Is this just off waste gate or are you using a solenoid

Originally Posted by shuiend View Post
I need a bit more porting on the wastegate. I get a some creep in 4th gear. I think with some tuning this turbo should hit 12psi around 3500rpms.


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Old 01-03-2015, 04:41 PM
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Originally Posted by ScottyP3821 View Post
Is this just off waste gate or are you using a solenoid
Wastegate only. Line is ran from compressor outlet to wastegate. Will move that vacuum line to after intercooler later. I am just happy to have it running for now.
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Old 01-03-2015, 05:13 PM
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Which line on that graph is the boost?
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Old 01-03-2015, 05:21 PM
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Red/kpa
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Old 01-03-2015, 05:32 PM
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Originally Posted by Greasemonkey2000 View Post
Red/kpa
Thanks, that's what I thought but it looks pretty flat to me. Is the area of concern between arrows 1 and 2?

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Old 01-03-2015, 05:59 PM
  #116  
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Originally Posted by nigelt View Post
Thanks, that's what I thought but it looks pretty flat to me. Is the area of concern between arrows 1 and 2?

I think with a little bit more wastegate porting and an EBC should get it a tiny bit flatter. This was probably the third time I had been out driving the car since the turbo went on. First time ever getting it into boost and the tune is still a good bit off. I know I am lean in the upper rpm's and need to add fuel. Over the next few days if the weather allows I will work on getting it tuned better and get some good logs to show off. I just wanted to finally show that the kit does work and make some decent boost. The power comes on rather smoothly in all honesty, none of the waiting for spool and then bam being pushed back into the seat.
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Old 01-03-2015, 09:05 PM
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So what would you estimate shipping at down the line? For us unlucky non-group-buyers?
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Old 01-03-2015, 11:08 PM
  #118  
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Originally Posted by Corifto View Post
So what would you estimate shipping at down the line? For us unlucky non-group-buyers?
Hopefully start taking orders in May, with shipping in June.
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Old 01-03-2015, 11:17 PM
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Good to know. That's about when I'd be ready. Although I was looking for a cost ballpark. I'm in Florida if that helps
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Old 01-04-2015, 09:39 AM
  #120  
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Originally Posted by Corifto View Post
Good to know. That's about when I'd be ready. Although I was looking for a cost ballpark. I'm in Florida if that helps
Sorry did not realize you were asking for a shipping cost. My best guess for shipping costs will be $100-150. The setup will ship in 3 or 4 boxes. I am having to get custom boxes made as parts are an odd size. What you will be charged is cost of boxes + packing materials + Fedex/UPS shipping costs. From the group buy the setups will be going all over the US, so by the end I should have better estimates of shipping costs.
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