K27/8 modern equivalent (Garrett)? Turbo tech, etc
10-26-2010, 06:36 PM
#16
Race Director
What octane? You need to properly mate/upgrade your exhaust no matter which route you choose. To swap turbos yet stay with same exhuast, is an excercise in future futility and performance dissatisfaction, not to mention the increased cost to go back in and tear it all back apart to correct this shortcoming. A correctly exhausted 27/6 can see 330rwhp all day.
With that in mind a properly prepared (READ: Healthy) motor with suitable supporting modifications will have a great response & performance with a #6 or a #8. The mindset that I see alot on here~Just bolt on a new turbo and get all this horsepower~is BS, or more accurately usually followed by a thread:
What's wrong with my car?:
~I bought a $2000 turbo and Ebay chip an now my car runs like crap.
The turbo, while very important, should not be the first thing addressed when beginning to modify these cars. It is merely a component in a build, that is dependent in whole on the sum of the total modification.
10-26-2010, 06:46 PM
#17
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I have the Garrett T3/T4R in 50 trim from Pauer Tuning and yes it's a direct bolt on. The water feed pipe needs to be lengthened just a bit for better clearance and a restrictor installed on the oil inlet due to the BB design. The alternator cooling shroud needs to be trimmed also to allow better fitment of the hose. Other than that all it needs is indexing for optimum fitment.
You are not selling this car, are you?
10-27-2010, 01:38 AM
#20
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John at Vitesse doesn't give out much in the way of details about his turbos but the results seem to speak for themselves.
10-27-2010, 03:12 AM
#21
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Specs for a K27/8 compressor:
Inducer - 54mm
Exducer - 76mm
Turbine:
Inducer - 64mm
Exducer - 54mm
It looks like the GT2871R would be a real good turbo for what your looking for.
Inducer - 54mm
Exducer - 76mm
Turbine:
Inducer - 64mm
Exducer - 54mm
It looks like the GT2871R would be a real good turbo for what your looking for.
10-27-2010, 04:01 AM
#22
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I love my Tial GT30. It could use a slightly larger hot side but overall it is great.
Keep in mind these runs were with Vitesse MAF and V flex at 90 degrees and run back to back. I now have a better head (ported big valve) so power is even better. I was most impressed with the midrange and super fast spool.
As a side note, how do I post a PDF so you can view it without downloading it?
Keep in mind these runs were with Vitesse MAF and V flex at 90 degrees and run back to back. I now have a better head (ported big valve) so power is even better. I was most impressed with the midrange and super fast spool.
As a side note, how do I post a PDF so you can view it without downloading it?
10-27-2010, 04:05 AM
#23
I guess this turbo from Broadfoot is more or less the same as the Lindsey Super 48, SFR stg 1 and Pauer turbos?
It's on this page http://www.broadfootracing.com/parts.htm and it seems to have the Turbonetics housing bur maybe it's a dry center section.
/Dea
It's on this page http://www.broadfootracing.com/parts.htm and it seems to have the Turbonetics housing bur maybe it's a dry center section.
/Dea
10-27-2010, 05:53 AM
#24
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I love my Tial GT30. It could use a slightly larger hot side but overall it is great.
Keep in mind these runs were with Vitesse MAF and V flex at 90 degrees and run back to back. I now have a better head (ported big valve) so power is even better. I was most impressed with the midrange and super fast spool.
As a side note, how do I post a PDF so you can view it without downloading it?
Keep in mind these runs were with Vitesse MAF and V flex at 90 degrees and run back to back. I now have a better head (ported big valve) so power is even better. I was most impressed with the midrange and super fast spool.
As a side note, how do I post a PDF so you can view it without downloading it?
I know of someone down here who runs a stock head, big cam, big exhaust, big FMIC and hit the same hp at about 23psi...Guess you were at 18psi for the same whp of course.
10-28-2010, 07:24 PM
#25
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I love my Tial GT30. It could use a slightly larger hot side but overall it is great.
Keep in mind these runs were with Vitesse MAF and V flex at 90 degrees and run back to back. I now have a better head (ported big valve) so power is even better. I was most impressed with the midrange and super fast spool.
As a side note, how do I post a PDF so you can view it without downloading it?
Keep in mind these runs were with Vitesse MAF and V flex at 90 degrees and run back to back. I now have a better head (ported big valve) so power is even better. I was most impressed with the midrange and super fast spool.
As a side note, how do I post a PDF so you can view it without downloading it?
You obviously have this engined well-sorted.
What pressure was boost set on this run?
Also - what is the exact turbine wheel and housing, if you can say?
10-29-2010, 12:58 PM
#26
Race Car
I have read that the /6 and /8 use different turbines. I have also read that the only difference is the housing. I've read that the turbines are 44/64mm and 54/64mm - not sure which.
I have three turbos laying around. I pulled the 26/8 off of my S, and put it on the track car. I need to put something on my S, now. The turbos I have are the 26/6, a .60 trim T3, and a .57 trim/Stage III T3/T4 hybrid (the .57 wheel is about 3.5mm bigger on the inducer side than the .50 so frequently mentioned). I had been thinking about making the 26/6 a 26/8, but now I am starting to think about putting a different housing on the T3/T4, and replacing the cold side (I am partial to the T04B stuff, as it is lighter and designed for lower boost levels, giving it quicker spool).
Anyway, I'm just trying to find out info for any KKK options. It just doesn't seem to be that available!
10-29-2010, 01:57 PM
#27
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The /6 and /8 turbine wheels and housings are different. The /6 is 48/54mm while the /8 is 54/64. The housings are obviously different, 6cm^2 vs 8cm^2.
Your 57trim Stg III would be a great choice.
Your 57trim Stg III would be a great choice.
10-29-2010, 10:41 PM
#29
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10-30-2010, 09:13 AM
#30
Three Wheelin'
The spool isnt much worse than a k26/8. With my K27/8 I get start building boost before 3k rpm in 2nd gear with my setup...and thats with an barn door AFM. Im very happy with my setup at 14psi.