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02-13-2013, 04:42 PM
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#1
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Senior Member
Join Date: May 2007
Location: Washington - Ridgefield
Posts: 4,728
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Garrett Turbocharger
I'm almost ready to rebuild or replace my turbo and I've been looking at Garrett Turbos.
Garrett has two different turbos for a 6.0, a stock replacement and a HP version.
Does anyone have anyone have any experience with either Garret turbo?
I really want to know: does the HP version has any benefit for a stock van 6.0? One source claims the HP version will make more power at a lower boost and reduce EGT's. Supposedly because the wheel is larger it lowers backpressure and therefore lowers boost needed and EGT.
Thanks for any advice.
Mike
__________________
Alaska to Key West, Labrador and more
Prostate cancer survivor. See Thread Prostate cancer and Sportsmobiles
2015 VW GTI 2020 Fiat 124 Spider
2012 E250 Hitop camper
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02-13-2013, 05:06 PM
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#2
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Senior Member
Join Date: Apr 2010
Location: Preston, ID
Posts: 1,213
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Garret Turbocharger
A bigger turbo is usually hard on low end torque which doesn't suit an SMB IMnsHO. Are the Garrett turbos variable vane?
Z
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02-13-2013, 05:15 PM
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#3
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Site Team
Join Date: May 2007
Location: Southern New Mexico
Posts: 10,186
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Re: Garret Turbocharger
I think some people go with different internals and the same turbo housing, so they don't run into any issues with the smog police. Not sure if changing the turbo would be noticed, but might be worth checking into.
I think going with a Garrett 38R is a fairly common swap.
Herb
__________________
SMB-less as of 02/04/2012. Our savings account is richer, but our adventures are poorer.
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02-13-2013, 06:45 PM
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#4
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Senior Member
Join Date: May 2007
Location: Washington - Ridgefield
Posts: 4,728
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Re: Garret Turbocharger
Quote:
Originally Posted by Zeta
A bigger turbo is usually hard on low end torque which doesn't suit an SMB IMnsHO. Are the Garrett turbos variable vane?
Z
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Yes. Both of them and the rebuilt on this page are variable vane and bolt-in:
http://www.turbochargerpros.com/addtoca ... 30044.html
Garrett makes the 6.0 turbo, and the rebuilt and the standard turbo are the normal Ford turbos. The High Performance model is the same external size with different internals - I believe.
Mike
__________________
Alaska to Key West, Labrador and more
Prostate cancer survivor. See Thread Prostate cancer and Sportsmobiles
2015 VW GTI 2020 Fiat 124 Spider
2012 E250 Hitop camper
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02-13-2013, 06:50 PM
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#5
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Senior Member
Join Date: Apr 2007
Location: Pasadena, CA
Posts: 785
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Re: Garrett Turbocharger
No turbo expertise to add Mike, but I'm curious if you are considering a replacement as preventive medicine, or because you are experiencing turbo problems now?
Thanks
Rob
__________________
2006 SMB 4x4, EB-51, 6.0psd
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02-13-2013, 07:12 PM
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#6
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Senior Member
Join Date: May 2007
Location: Washington - Ridgefield
Posts: 4,728
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Re: Garrett Turbocharger
I found another webpage that shows pressure vs. flow of the two turbos:
http://www.usdieselparts.com/index.cfm/ ... harger.cfm
The performance at low pressure/flow is not good on the High Performance model. I guess I should have expected that.
Mike
__________________
Alaska to Key West, Labrador and more
Prostate cancer survivor. See Thread Prostate cancer and Sportsmobiles
2015 VW GTI 2020 Fiat 124 Spider
2012 E250 Hitop camper
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02-13-2013, 07:14 PM
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#7
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Senior Member
Join Date: May 2007
Location: Washington - Ridgefield
Posts: 4,728
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Re: Garrett Turbocharger
Quote:
Originally Posted by EMrider
No turbo expertise to add Mike, but I'm curious if you are considering a replacement as preventive medicine, or because you are experiencing turbo problems now?
Thanks
Rob
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I'm having problems with sticking vanes. Been that way for quite awhile. Probably because The van can sit between trips.
Mike
__________________
Alaska to Key West, Labrador and more
Prostate cancer survivor. See Thread Prostate cancer and Sportsmobiles
2015 VW GTI 2020 Fiat 124 Spider
2012 E250 Hitop camper
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02-13-2013, 07:52 PM
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#8
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Senior Member
Join Date: Jul 2011
Location: Flagstaff, AZ
Posts: 2,001
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Re: Garrett Turbocharger
You would probably need some mild PCM tuning with the HP version.
edit to add: you might want to give this guy a call. http://www.madturbowerks.com/about.html
__________________
2005 E350 RB 6.0 PSD for extended fun
1989 Landcruiser FJ62 for local fun
2011 VW TDI Golf for hwy fun
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02-13-2013, 08:20 PM
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#9
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Site Team
Join Date: May 2007
Location: Southern New Mexico
Posts: 10,186
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Re: Garrett Turbocharger
Like any plumbing system, you also need to know where the greatest restriction to flow is. Improving the performance of the turbo may not help at all if the air box and/or exhaust system are more limiting than the turbo.
You may want to check out RiffRaff diesel out of Oregon. Great outfit.
Herb
__________________
SMB-less as of 02/04/2012. Our savings account is richer, but our adventures are poorer.
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02-21-2013, 12:51 PM
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#10
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Senior Member
Join Date: Jul 2011
Location: Flagstaff, AZ
Posts: 2,001
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Re: Garrett Turbocharger
There's a thorough review of the Garret performance version of the stock turbo here:
http://www.thedieselgarage.com/forums/s ... p?t=100735
__________________
2005 E350 RB 6.0 PSD for extended fun
1989 Landcruiser FJ62 for local fun
2011 VW TDI Golf for hwy fun
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