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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Turbo lab of America



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      04-30-2016, 03:17 PM   #1
chris98m3
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Turbo lab of America

Anyone use Turbo lab of America to upgrade turbos?
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      04-30-2016, 03:51 PM   #2
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curious as well
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      04-30-2016, 07:09 PM   #3
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I have with some 16g MHI turbos. I've contacted him regarding n54 turbos. He can rebuild them but that's about it. I asked about a 15t compressor wheel upgrade with a clipped turbine and he said he couldn't do it. His MHI work is pretty good.
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      05-01-2016, 12:24 PM   #4
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They have great customer service I have done business with them in the past
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      05-08-2016, 09:49 PM   #5
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I am having problems with them. They were going to do half the stage 1 work for me and i was going to machine the compressor housings and do the wastegates myself. I was told it would take a week or 2. Its been over a month and they dont reply to emails.
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      05-08-2016, 09:53 PM   #6
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Quote:
Originally Posted by fredcase
I am having problems with them. They were going to do half the stage 1 work for me and i was going to machine the compressor housings and do the wastegates myself. I was told it would take a week or 2. Its been over a month and they dont reply to emails.
Really? That's weird. Have you given him a call?
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      05-10-2016, 12:11 AM   #7
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I will update you guys when i get one.
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      06-06-2016, 04:24 PM   #8
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I will update you guys when i get one.
just checking to see how everything went. Let us know if they took care of you and what you think.
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      06-06-2016, 04:37 PM   #9
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I was told.a few weeks ago they could be ready tomorrow. Asked a few questions, never heard back from them.

Very strange buisness practices.
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      06-06-2016, 04:58 PM   #10
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That would be a pretty good turn around time
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      06-06-2016, 09:11 PM   #11
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When I click the Buy Now link on their website it launches the Ebay app and says Seller is suspended
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      06-07-2016, 10:36 AM   #12
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When I click the Buy Now link on their website it launches the Ebay app and says Seller is suspended
Probably. I was lurking the two brothers facebook pages and came across some posts about re-selling ebay items. I highly suspect they are selling cheap Chinese garbage as thier own.
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      06-07-2016, 11:19 AM   #13
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Quote:
Originally Posted by bigdnno98 View Post
I have with some 16g MHI turbos. I've contacted him regarding n54 turbos. He can rebuild them but that's about it. I asked about a 15t compressor wheel upgrade with a clipped turbine and he said he couldn't do it. His MHI work is pretty good.
Why would you go for a 15T compressor wheel upgrade with clipped turbines? Better to get a 14T with clipped turbine. 15T gives no extra power over 14T and just results in more lag by about 250-500rpm.
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      06-07-2016, 11:32 AM   #14
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Quote:
Originally Posted by SE7EN335
Quote:
Originally Posted by bigdnno98 View Post
I have with some 16g MHI turbos. I've contacted him regarding n54 turbos. He can rebuild them but that's about it. I asked about a 15t compressor wheel upgrade with a clipped turbine and he said he couldn't do it. His MHI work is pretty good.
Why would you go for a 15T compressor wheel upgrade with clipped turbines? Better to get a 14T with clipped turbine. 15T gives no extra power over 14T and just results in more lag by about 250-500rpm.
How does the 15T not provide more airflow over a 14T? The standard RBs have always been 15T compressor wheels? The compressor isn't the restriction, the turbine is
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      06-07-2016, 02:40 PM   #15
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Sketchy... The guy doesn't even balance the assembly... And all he has is a lathe...
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      06-07-2016, 04:40 PM   #16
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Sketchy... The guy doesn't even balance the assembly... And all he has is a lathe...
I believe i was told they have a balancer now. I was going to have them re balanced locally for piece of mind. But after this generall experience, and upon closer examination of thier wastegate parts. I am not interested in anything from turbolab of america.

I have decided to go with mellet chra's instead and stay stock turbos.
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      06-07-2016, 11:53 PM   #17
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Quote:
Originally Posted by bigdnno98 View Post
How does the 15T not provide more airflow over a 14T? The standard RBs have always been 15T compressor wheels? The compressor isn't the restriction, the turbine is
14T offers best flow by test for stock frame turbo
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      06-08-2016, 02:27 AM   #18
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This is what he told me regarding balancing:

"There is a vsr balancer, they are 30,000$ and you have to spend 400$ per fixture. Instead of bankrupting myself I bought the west coast balancer which I can do all of the needed balancing including cartridge rotator and component."
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      06-08-2016, 08:12 AM   #19
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Quote:
Originally Posted by bigdnno98 View Post
How does the 15T not provide more airflow over a 14T? The standard RBs have always been 15T compressor wheels? The compressor isn't the restriction, the turbine is
You just answered your own question. The turbine IS the restriction. So by putting in a 15T comp wheel on a stock turbine will not provide any extra flow over a 14T comp wheel on a stock turbine. Because the comp wheel is not the restriction, it's the turbine like you said.

You do realise the RB's and Hexons who both use 15T comp wheels use bigger turbines as well, right? On stock turbines, 14T is far more than enough without inducing any excessive lag over stock. Clipped or not, if the turbines are stock. The absolute most you would go is a 14T.
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      06-08-2016, 11:54 AM   #20
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If we were ever to do a stage 1 N54 setup I'd consider the 13T-4 compressor the max on the OEM turbine as the OEM 10T compressor is already over squared on the OEM TD03L. What this means is that pushing larger is just more and more out of a good component match range. Note the Subaru based 13T-6 is actually quite a bit larger than the 14T, so to not be confused as that one would be worse (it's very similar to the 15T). I believe even the 14T is quite the push for the OEM TD03L and certainly the 15T is a way over the top for it.

As for balancing you can not just component balance and use a cradle balancer on a low speed machine and expect good results every time, let alone perfect results every time. If you were to check it you may get them to VSR fairly occasionally, but also poorly occasionally, and mostly just so so. But to catch one that VSR's at a very low level would be nearly impossible as you will never replicate truly VSR dynamically balancing an assembly while rotating it under operating conditions to speed. Only doing this can you achieve a true consistent assembly balance, and it is a delicate process that takes some time and learned skill. Of course it takes having the machinery to actually see this as the case, made a thread about this a couple years back.

Rob
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      06-08-2016, 01:39 PM   #21
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Quote:
Originally Posted by SE7EN335
Quote:
Originally Posted by bigdnno98 View Post
How does the 15T not provide more airflow over a 14T? The standard RBs have always been 15T compressor wheels? The compressor isn't the restriction, the turbine is
You just answered your own question. The turbine IS the restriction. So by putting in a 15T comp wheel on a stock turbine will not provide any extra flow over a 14T comp wheel on a stock turbine. Because the comp wheel is not the restriction, it's the turbine like you said.

You do realise the RB's and Hexons who both use 15T comp wheels use bigger turbines as well, right? On stock turbines, 14T is far more than enough without inducing any excessive lag over stock. Clipped or not, if the turbines are stock. The absolute most you would go is a 14T.
Ah yes. I missed the part about the stock turbine wheel. Great response from Rob. After looking around for someone to build custom stock frames with my choice of wheels I've decided to just go with a stage 1. Haven't decided on Vargas or Hexon yet.
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      06-08-2016, 01:44 PM   #22
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Quote:
Originally Posted by vbp6us View Post
This is what he told me regarding balancing:

"There is a vsr balancer, they are 30,000$ and you have to spend 400$ per fixture. Instead of bankrupting myself I bought the west coast balancer which I can do all of the needed balancing including cartridge rotator and component."
Ghetto, just like all his youtube videos and ebay page... This guy is probably the last guy I would buy a turbo from.
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