GT2860rs vs GT3071r vs GT3582r - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-17-2010, 10:51 PM   #1
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Default GT2860rs vs GT3071r vs GT3582r

hi,
i have a little question.
at the moment i have a GT2860rs and wont to upgrade it.(if necessary i charge the mainfold)
what did you think is the best solution?GT3071r? GT3582r?
my greatest care is the spool up, i like it so early it get.
The goal would be over 300whp^^
greetins from germany marc
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Old 10-17-2010, 10:56 PM   #2
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The 2860 will be the best for what you are looking for.
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Old 10-17-2010, 10:56 PM   #3
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if your goal is quick spool up (of the 3 you want to upgrade to) and a bit over 300whp, the smallest one that will provide both is obviously the clear choice.

2871 will do 300-350whp and spool quicker than the others.

but as Jay said, if its ONLY 300 you want keep your current churbo
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Old 10-17-2010, 11:05 PM   #4
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probably depends how much "over 300" you want... 350+ then 3071
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Old 10-17-2010, 11:13 PM   #5
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330 would be nice
but you never know what future brings
maybe it's me too little then

here a list of my engine modification:
94 BP engine
Supertech 9:1
Suertech ex and intake valves
Eagel Rods
ACL RAcing Bearings
Arp Stunts
Big Oil Pump
Dbilas Turbo Cam´s
T25 Mainifold from HGP with gt2860rs
big injectors
255lph Fuel pump
big whater cooler
in a few weeks(when it arrived in germay) a Begi Intake Manifold and a big Throttle body(did everybody recommend once Pnp whit idle screw?)
Electormotive TEC 2
Exhaust is 2,5" i wont to got to 3"

i dont know the intercooler size at the moment.

Pics
http://img222.imageshack.us/img222/3036/suc52295.jpg
http://img714.imageshack.us/img714/5355/suc52293.jpg
on this pic you can see the intercooler:
http://img442.imageshack.us/img442/4619/schildu.jpg

Last edited by CDFreak; 10-23-2010 at 04:30 PM.
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Old 10-17-2010, 11:14 PM   #6
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What other parts are you using? Intake manifold? Exhaust manifold? Exhaust pipe diameter? Intercooler size? Do you have pictures under your hood?

You might already have almost enough turbo but not enough supporting parts.

Tschüss
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Old 10-17-2010, 11:15 PM   #7
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yeah post your complete mod list, or the list of mods you are planning to achieve said power and spoolup goal with.
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Old 10-17-2010, 11:56 PM   #8
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Low boost threshold is for pussies.
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Old 10-18-2010, 12:10 AM   #9
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/\ tr00f.org

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Old 10-18-2010, 12:20 AM   #10
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Spool is important, yet you won't do a 3" exhaust and you're talking about a 3071R?

Keep your 2860RS and turn the boost up.
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Old 10-18-2010, 01:48 AM   #11
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2860 for 300hp or 3582 for more power.

Or even better, precision turbo 5857.
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Old 10-18-2010, 02:05 AM   #12
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Quote:
Originally Posted by faeflora View Post

Or even better, precision turbo 5857.
Quote:
Originally Posted by CDFreak View Post
my greatest care is the spool up

Since we're making outrageous suggestions, I think the turbo from a container ship will suit your needs perfectly.
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Old 10-18-2010, 02:07 AM   #13
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LOL. If he wont run a 3 inch he isn't a man.
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Old 10-18-2010, 02:18 AM   #14
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Quote:
Originally Posted by CDFreak View Post
at the moment i have a GT2860rs and wont to upgrade it.
greetins from germany marc
i think hes spelling want by saying wont. so he wants a 3 inch exhaust.
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Old 10-18-2010, 02:26 AM   #15
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Quote:
Originally Posted by wittyworks View Post
i think hes spelling want by saying wont. so he wants a 3 inch exhaust.
Good catch.
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Old 10-18-2010, 08:50 AM   #16
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Quote:
Originally Posted by Savington View Post
Spool is important, yet you won't do a 3" exhaust and you're talking about a 3071R?

Keep your 2860RS and turn the boost up.

now, i have a 2,5" Exaust and won´t to upgade it to a 3"

sorry for my bad englisch
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Old 10-18-2010, 09:20 AM   #17
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you WANT to upgrade.

Won't is a contraction (shortening) for WILL NOT.
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Old 10-18-2010, 09:22 AM   #18
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oh sorry
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Old 10-18-2010, 09:39 AM   #19
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Quote:
Originally Posted by Savington View Post
Since we're making outrageous suggestions, I think the turbo from a container ship will suit your needs perfectly.
I don't think you were on this thread where a PT 5857 was super efficient even on a 1.6. Oh wait you were- https://www.miataturbo.net/dynos-timesheets-21/what-youve-been-waiting-results-inside-52669/

I think the 5857 is a much better choice than a GT3582.

I also saw an ad in Modified for a GT-X GT3071. It's not on the website now but I would wait for that vs a regular 3071.
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Old 10-18-2010, 02:07 PM   #20
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Du musst sprechen mit MUSANOVIC, er spricht Deutch sehr gut.
Er hat ein Borg Warner s252 fur seine NB, macht 270 mit nur 12-13psi.
Der Borg Warner is nur $450 neu...
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