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Best turbo for a stock 951?

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Old 12-27-2007 | 04:34 PM
  #61  
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Nize is that the super 50 trim to4e or the std??

the difference is the exducer size on the compressor wheel the std is 3" while the super is 3.20 and it is actually a 44 trim.

Just curious as this is my next step with mine
Old 12-27-2007 | 04:38 PM
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it's a custom 50trim t3/t4, i'm not sure what you mean by super. afaik, mine is not super.
Old 12-27-2007 | 04:39 PM
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It is just a term used to distinguish the exducer size within the to4e family
Old 12-27-2007 | 04:40 PM
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If you have you compressor wheel specs I can tell you for sure what it is
Old 12-27-2007 | 07:25 PM
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it's a 3" inlet and the outlet fits the stock plumbing.
Old 12-27-2007 | 08:24 PM
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I meant the wheel itself

You should have some sort of paperwork telling what it is in case it needed to be rebuilt at later time ??
Old 12-27-2007 | 09:20 PM
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Hehehe not always around these parts Sid.
Old 12-27-2007 | 10:46 PM
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if I put a K26/8, exhaust 3" no cat, vitesse chips, 3bar reg, boost controller, dual wg. running the car at 15 PSI, what real Rwhp I will get?? Also can i put just the K26/8 with chips and exhaust??. Do I need a K26/8 wastagate running this way. what rwhp would i get?? Thanks in advance. Just looking for some HP more than stock.
Old 12-28-2007 | 12:04 AM
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Originally Posted by blown 944
I meant the wheel itself

You should have some sort of paperwork telling what it is in case it needed to be rebuilt at later time ??
the DBB center cartridges are only availible in a few configurations from Garrett. http://www.tialsport.com/prod_tc_gt_t3t4r.htm

So Nize's compressor wheel is the standard garrett 50 trim, not the turbonetics super 50.
Old 12-28-2007 | 12:49 AM
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if I put a K26/8, exhaust 3" no cat, vitesse chips, 3bar reg, boost controller, dual wg. running the car at 15 PSI, what real Rwhp I will get?? Also can i put just the K26/8 with chips and exhaust??. Do I need a K26/8 wastagate running this way. what rwhp would i get?? Thanks in advance. Just looking for some HP more than stock.
250-280rwhp?

maybe 260-300rwhp if you go to a MAF and do not retain the stock air box. all a guess though. Depends mostly on how solid your motor is. IF you dont do a aftermarket wastegate then you will only get about 250rwhp TOPS. since you will only hold about 12psi TOPS to redline. However if you modify the stock gate then you can hold more then that.

I believe the 26/6 cars and 26/8 vcars have the same wastegate right?
Old 12-28-2007 | 01:12 AM
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what do you mean by how solid the motor is???
Thanks JE-951
Old 12-28-2007 | 01:13 AM
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also how safe this combination it would be in terms of not braking the motor??
Old 12-28-2007 | 10:30 AM
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Originally Posted by eatiles
if I put a K26/8, exhaust 3" no cat, vitesse chips, 3bar reg, boost controller, dual wg. running the car at 15 PSI, what real Rwhp I will get?? Also can i put just the K26/8 with chips and exhaust??. Do I need a K26/8 wastagate running this way. what rwhp would i get?? Thanks in advance. Just looking for some HP more than stock.
Look at these two links:

http://tinyurl.com/2wwgkn

http://tinyurl.com/3y5ngd
Old 06-29-2009 | 08:39 AM
  #74  
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Originally Posted by boost feen
Majestic turbo in Texas can make you a hybrid out of your K26. They install a lager turbine in the stock 6 hot side and a little larger and newer designed cold side. With a 3.0 fuel pressure regulator and some simple autoauthority chips this turbo gives quick spool and enough cfm's to hold 15psi till redline. Good for around 285 HP. You would have to get into some more mods to break the 300 HP mark!
My k26-8 89 S turbo was milled to fit larger garret #52 trim wheel and ball bearing for faster spool up.

It make with 2stage boost controller 20psi in 3rd gear easily on pump @ mid rpm up to redline. Stock flow matched 32lb inj, 3" straight pipes, 3bar AFPR reg, Cup Chips, wide fire HG, top end rebuild.

I spike 91oct real petrol pump with 111oct leaded often for smoother burn, less detonation risk. SFR test pipe no cat.
Next get ported head, port matched manifold, GT LSD. Mill your head if you want even more low end. Custom headers like BB give even more low end, but rob the top

Throw on some 18" 2002 C2 wheels or 993 turbo hollow spokes and your 951 will roll fast and feel faster, you will need to adjust camber, height, etc

bigger inj are $500, add $2000-4000 on fuel control Maf or Map, add dyno cost, larger fuel pump, assume the head is built and overbored otherwise the 3" flow $2000 turbo is wasted, add $2500-4000 labor

Decrease drivetrain and head gasket reliability and gas milage, lose potential resale buyers that are not tuners or want close to concours stock.

Enjoy your new turbo whistle that sounds like diesel truck.
Old 06-29-2009 | 09:22 AM
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explain the physics behind the big wheels making it roll better ???
it wont brake or accelerate better just roll ??


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