is there a reason holset chargers have not been brought up? they are proven for some big power and thanks to the DSM world you can get a variety of hot side ARs im planning on going holset hx 35 on the bulls eye performance turbine housing thats a direct fir for dsm's. shooting for the same amount of power. the small hot side give quick spool making it a decent daily.
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Originally Posted by fastivab6tg25mr
(Post 776185)
is there a reason holset chargers have not been brought up? they are proven for some big power and thanks to the DSM world you can get a variety of hot side ARs im planning on going holset hx 35 on the bulls eye performance turbine housing thats a direct fir for dsm's. shooting for the same amount of power. the small hot side give quick spool making it a decent daily.
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Originally Posted by shuiend
(Post 776198)
Do the Holsets use the standard t2 or t3 flange? If not that would be why we do not use them. People tend to go for what is known in the miata world. Also up until the past few years there were very little selection in custom made manifolds that would offer a different flange.
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Originally Posted by shuiend
(Post 776198)
Do the Holsets use the standard t2 or t3 flange? If not that would be why we do not use them. People tend to go for what is known in the miata world. Also up until the past few years there were very little selection in custom made manifolds that would offer a different flange.
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bullseye performance makes them with a mitsu 16g flange and a .55 ar hot side
http://www.bullseyepower.com/u_turbine_housings.asp |
Originally Posted by jtothawhat
(Post 774722)
6000-8000 is 2,000 RPM of power band...which is 25% of a power band.
8000/6000 = 1.33 4000-6000 RPM is "1.5x", way wider: 6000/4000 = 1.5 So to duplicate a 4000-7000 powerband with a car that has peak power at 8500: 7000/4000 = 1.75x 8500 / 1.75 = 4860 So you will need 90% of peak torque available from 4860 to 8500, with the same peak power, to duplicate the performance of Savington's 2871 setup. You will also need shorter gearing to match the higher revs. You won't get it with a car with the powerband from 5500 to 8500. (thinking that 7k-4k = 3k, and 8.5k-3k = 5.5k) |
1 Attachment(s)
I'll just leave this here. Compare the low-end torque numbers.
Torque matters - just ask the Rotrex crew :giggle: https://www.miataturbo.net/attachmen...ine=1317151264 |
Originally Posted by JasonC SBB
(Post 776525)
So you will need 90% of peak torque available from 4860 to 8500, with the same peak power, to duplicate the performance of Savington's 2871 setup. You will also need shorter gearing to match the higher revs.
You won't get it with a car with the powerband from 5500 to 8500. (thinking that 7k-4k = 3k, and 8.5k-3k = 5.5k) Nice math. Savington's setup is not god's gift to miatas. Stop slobbing the 2871 knob |
2 Attachment(s)
Sav,
The area I circled in yellow is an artifact and not real data, right? https://www.miataturbo.net/attachmen...1&d=1317157707 |
Originally Posted by Faeflora
(Post 776565)
Nice math.
Savington's setup is not god's gift to miatas. Stop slobbing the 2871 knob Generally though the higher the boost the narrower the powerband. A drag car won't need as wide of a powerband as a track car, which in turn doesn't need as wide as a street car needs. Having said that, a theoretical setup that would match Sav's spoolup but rises to a higher peak and holds it to 7000, will have a "narrower powerband" but would match and exceed Sav's torque at all RPMs, and thus would be faster. |
Originally Posted by Faeflora
(Post 776565)
Nice math.
Savington's setup is not god's gift to miatas. Stop slobbing the 2871 knob Each car serves a specific purpose, none of these cars are some crazy new concept or any of that kinda bullshit. Going big as fuck with oober expensive parts to create a highway/dyno queen is nothing new. Its badass, but I'll bet most on here don't even care. On top of that neither you nor jason has run anything at all at the track yet, so if anything the person with most authority on straightline performance in this thread is JayL and a very few others that actually went 11's and trapped over 120. |
Originally Posted by JasonC SBB
(Post 776593)
Sav,
The area I circled in yellow is an artifact and not real data, right? |
Originally Posted by 18psi
(Post 776603)
Neither is Jasons or yours, so wtf is your point?
Each car serves a specific purpose, none of these cars are some crazy new concept or any of that kinda bullshit. Going big as fuck with oober expensive parts to create a highway/dyno queen is nothing new. Its badass, but I'll bet most on here don't even care. On top of that neither you nor jason has run anything at all at the track yet, |
Yes I meant Jtothehow
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Originally Posted by 18psi
(Post 776603)
Neither is Jasons or yours, so wtf is your point?
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Originally Posted by Faeflora
(Post 776830)
You don't even have a miata so stfu
Yes I do. I got another one fa66ot. And that's not even the point: you guys act like you're Gods gifts to the miata world by simply spending a shitton of money and going with insanely oversized turbos. |
Originally Posted by 18psi
(Post 776896)
Are you retarded?
Yes I do. I got another one fa66ot. And that's not even the point: you guys act like you're Gods gifts to the miata world by simply spending a shitton of money and going with insanely oversized turbos. |
:laugh: ok champ
If we're being frank here, the same exact thing can be said about you and j: you both sound like broken records every day saying we're all old and outdated and happy with a "MEDIOCRE" 400whp miata:jerkit: while you two are like Christopher Columbus discovering new worlds and shit. The ironic part is that neither one of you has gone much past 400 yet either but act like you've already got numerous 900whp dyno plots:giggle: But ILU both, despite the fa66otree. |
I want know know who cares about a highway pull with 400HP. Isnt that what a 5000 buck second hand hayabusa is for?
Dann |
Originally Posted by nitrodann
(Post 777410)
I want know know who cares about a highway pull with 400HP. Isnt that what a 5000 buck second hand hayabusa is for?
Dann |
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