GTX2863 is out!
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So what does this mean to us noobs? How does this compare to the EFR 6258 turboes?
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Originally Posted by jbrown7815
(Post 815397)
So what does this mean to us noobs? How does this compare to the EFR 6258 turboes?
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In for more info.
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spools like a 2560 but more top end than a 2860? or am I too hopeful :)
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Needs 2871 version and I'm in.
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Originally Posted by jbrown7815
(Post 815397)
So what does this mean to us noobs? How does this compare to the EFR 6258 turboes?
I have been driving a customer's 2871R-powered MSM all week and it is definitely not as responsive as an EFR6258 in the 2500-3500 range. |
Originally Posted by 85z28
(Post 815442)
Needs 2871 version and I'm in.
the 2863 (63mm), is a 43 lb/min wheel and 78% efficient the 2867 (67mm), is a 47 lb/min wheel and 79% efficient the 2871 (71mm) is a 45 lb/min wheel and 75% efficient |
Do they have a map for the 2867 vs 2871?
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i dunno, you could click the link label "maps"
:failboat: |
Yeah, yeah. I found one for the .56 hotside, but I'm looking for a .86 hotside comparison.
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compressor maps dont factor in the turbine...
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Originally Posted by 85z28
(Post 815461)
Yeah, yeah. I found one for the .56 hotside, but I'm looking for a .86 hotside comparison.
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BTW, I am going to fiddle with an EFR7064 on Theseus as soon as I can get my hands on the turbo. 70mm compressor that moves 56lbs/min. :giggle:
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Originally Posted by Savington
(Post 815466)
Garrett doesn't make a .56 hotside, and the GTX turbos all use the current Garrett hotsides. Just the compressor wheel/housing changes.
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it's not a .68 hotside. that's the A/R of the compressor housing used during testing.
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Originally Posted by Braineack
(Post 815472)
it's not a .68 hotside. that's the A/R of the compressor housing used during testing.
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you learnededed.
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Originally Posted by Braineack
(Post 815481)
you learnededed.
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Looking at the maps:
GTX2863 spool will be very similar to GT2860RS (looking at bottom left of map and shaft RPMs). But efficiency at 15 psi is higher and ultimate power is much higher. Win-win-win! |
I have heard that there may also be a GTX2860 in the future. I think that would be the ultimate all-around turbo, at least for me.
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(Sent from phone via capitalism)
Why? |
The response of a GT2860 with more top end flow so it stays efficient at higher pressure ratios?
I'm just talking about Garrett turbos- EFRs probably still have the overall edge because of the Gamma-Ti turbine wheels. But I already have a Tial v band setup so I am probably stuck with Garrett |
that's the point of the 2863, it's going to respond as well as a 2860 and have more top end...
it's only 3mm larger than the 2860 wheel, but will outperform it. |
I wan't a gtx 25 for my 1.6.
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^2863 with .64 will shred...
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