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2014 ST3. Garrett GTX2860R Gen 2. FBO
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My 2867r eBay special boost Curve is nothing like that and I’m with Jstuned…always peaked at 45-4800 rpm and zero drop…but I also use a .86 trim
I thought you had a 2971?
 

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2014 ST3. Garrett GTX2860R Gen 2. FBO
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Ohhh double checked one of your old videos, .86 a/r. Thaaats why its slow to spool.
 

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2014 ST3. Garrett GTX2860R Gen 2. FBO
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7,528 Posts
Holy crap, man. That thing is as lethargic as the 3071.
 

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2014 ST3. Garrett GTX2860R Gen 2. FBO
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I just want everyone to admin my line….eBay baby….
Theyre copying the GTX R turbos now. So when you get another, you can have a balll bearing unit with a better compressor wheel to accompany the smaller hot side.
 

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2014 ST3. Garrett GTX2860R Gen 2. FBO
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7,528 Posts
Its mainly the inital dip after the gate opens. The turbosmart gate helped this a little.
 

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2014 ST3. Garrett GTX2860R Gen 2. FBO
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7,528 Posts
It is pretty incredible though, after looking harder at the graph. it spools faster than the stock turbo. Not what anyone asked for, but impressive nonetheless.
 
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2014 ST3. Garrett GTX2860R Gen 2. FBO
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Yeah i figured from the beginning it was due to the imbalance of wheel size versus work performed (tiny turbine with little "leverage" fighting a bigger and high volume compressor).
 
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2014 ST3. Garrett GTX2860R Gen 2. FBO
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It really would be interesting to see.

The folks on fb claim to be right at 300whp with them, so if they keep the same torque we can get with the stock set up, it'd be a darn good daily set up imo.
Yeah the powermax is in that range as well. It does make for a fun daily. Alan has my timing ramp conservative and it still blows the tires off. It would be a lot of fun in a rear wheel drive application.
 

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2014 ST3. Garrett GTX2860R Gen 2. FBO
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Holy crap, man. If they had made that turbo IWG that's what id have bought!!

@Cory there you go!
 
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Super Moderator
2014 ST3. Garrett GTX2860R Gen 2. FBO
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They do make this turbo IWG, just saying! I've been preaching G25-XXX for months! Love this graph!
Well crap, thats what i get for not actually looking farther into it. I bought a gen 2 2860. Oh well, for staying with stock fuel, my results will be similar.
 

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2014 ST3. Garrett GTX2860R Gen 2. FBO
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7,528 Posts
I just bought a GTX2867 .86 Gen2, but thinking of selling it for a G25-550. I'll be on stock fuel with 91, still worth it?
Those are 2 different animals. The .86 A/R is way too huge and spools super slow (see the graph, it spools like a 3071). Either get the smaller a/r 2867 or, yes, the g25 550 will be a far superior turbo. Just be aware it requires an EWG (i did search ATPs website after the fact and they list no such model with IWG).
 
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