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GT3582R vs GTX3582R?


***VX*R8***

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  • Member For: 11y 2m 5d
  • Gender: Male

I have a used GT3582R with .7 front cover to go on my G6ET but am thinking about getting a GTX3582R instead.
Is there much difference between the two turbos as far as real world performance and is the cost difference worthwhile?

Will be running kpm1500 injectors, PW stg2 intercooler, 4" intake, 4" dump & 100cell cat, 400lph fuel pump, Crow valve springs and billet oil pump gears.
Also have a manual conversion to go in at some stage and E85 is a possibility...
 

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  • Puff
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  • Member For: 9y 10m 21d
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  • Location: South Australia

That is what I'm currently doing.

 

My stock turbo has just shown signs of being worn.

 

I had a spare external gate gt35r so I used the core from that, added a gtx wheel and machined the 0.7 comp cover to fit the larger wheel. 

 

With a flapper job and other small mods  for the larger compressor it will come in at less than a grand.

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  • MattyP
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  • Member For: 12y 7m 16d
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  • Location: Central Coast

You shouldnt even need to machine the housing to suit 

Alternatively you could also buy a bigger comp wheel/cover/backplate and use any falcon turbo and upgrade it to a gtx3584r

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  • Puff
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  • Member For: 9y 10m 21d
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  • Location: South Australia

Maybe I was getting confused with the previously decided 66 mm comp wheel?

 

I decided against that, because, from my calculatoring the compressor would be too big for the combination of the stock turbine wheel as well as the internal wastegate.

 

I almost went gtw3884r with adapter but at twice the cost of a stock upgrade as well as having a stock motor and driveline I chose the lesser path...for now.

 

If I was to buy a gtx35r outright, I wouldn't. I'd go bigger but that is just me.

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  • MattyP
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  • Member For: 12y 7m 16d
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  • Location: Central Coast

66mm comp wheel is gtx3584r which is also the t04z billet wheeled cold side

It seems a little mismatched but I think that's the biggest comp you could go on that turbine.

Its been done alot by jim gianna, race equipped and monsta torque.

Alot of people dont realise that the gtw is a step down from the gtx

If I had my time again id make a gtx3576r also because going to manual is better for spool

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  • Puff
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  • Member For: 9y 10m 21d
  • Gender: Male
  • Location: South Australia

Good points there.

 

The gtw should make more power according to numbers and figures but as mentioned the compressor wheel has the drawbacks of being old tech.

There are other reasons not to use a gtw turbo but google can provide those reasons to interested people. It did for me.

 

"Is the cost difference worthwhile?"

 

Decide how much power you want, your dollar per kw and what will achieve those goals.

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