2560r going 2860r
#23
The Miata community is the only place I have ever seen so much love for the GT25 over the GT28. Not that the 28 does not have it's issues. The compressor offerings are less than optimal hence my original suggestion for the Tial billet compressor wheel in a GT28 frame. With that compressor we saw spool 500 RPMs sooner without any changes. I wish someone would try that setup on a Miata.
Altitude likely plays a role.
#24
it's not love for the t25 over the t28. the t25 just pairs better with .64. i'm giving love to the t28 w/ .86 and so it pretty much everyone else. "upgrading" to a 2860 with .64 housing is like if iphone 5's were out and you had an iphone 4 but you got the iphone 4s instead. except for the 2860 has slightly better top end in the right scenario and less tq in the low end so it's more of a wash. it's more like buying another iphone 4 to replace your iphone 4.
the 2560 is just a better turbo for a 1.6. I'm not just saying that. nearly every dyno ever compared shows it. the 2860 with .86 in the correct scenario could be a different story.
the 2560 is just a better turbo for a 1.6. I'm not just saying that. nearly every dyno ever compared shows it. the 2860 with .86 in the correct scenario could be a different story.
#26
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Jason - or others,
Did you actually run a 2860RS but swap in the .64ex housing?
I'm thinking of going tial v band housing on my disco but running the .64 turbine.
How was your spool and mid and top end? What motor, manifold, psi etc.?
I'm street only driving and have a goal of around 300hp on a built vvt.
Did you actually run a 2860RS but swap in the .64ex housing?
I'm thinking of going tial v band housing on my disco but running the .64 turbine.
How was your spool and mid and top end? What motor, manifold, psi etc.?
I'm street only driving and have a goal of around 300hp on a built vvt.
#29
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Keith
#32
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Blame me for reviving this, and for bringing sexy back....
Too late - I just committed to a .64 Tial turbine housing, it was the only way to convince myself to go v-band. It was cheap and being v-band I will probably review my turbo options next winter after a summer of driving my 2860R.
Too late - I just committed to a .64 Tial turbine housing, it was the only way to convince myself to go v-band. It was cheap and being v-band I will probably review my turbo options next winter after a summer of driving my 2860R.
#35
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Is it to late to change your order? You should get the .86 and purchased this from the for sale forums:
https://www.miataturbo.net/miata-par...flanges-77544/
Then you could try out both and let us know the results!
Keith
https://www.miataturbo.net/miata-par...flanges-77544/
Then you could try out both and let us know the results!
Keith
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