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-   -   If you were going to build an NC turbo... (https://www.miataturbo.net/diy-turbo-discussion-14/if-you-were-going-build-nc-turbo-25827/)

KPLAFIN 09-10-2008 12:12 AM

How much was wrong with her to get it for 8K....it's not a PRHT is it?

talusfan 09-10-2008 12:29 AM

No prht. Front damage, nothing major. 1.5 k in parts, couple hours in the paint booth for rent and we have lift off. Ebay is awesome for parts, even really new shit. I'll take a brand new miata for under 12k paid for any day.
Well you have to be able to do the work yourself, or at least alot of it. Still though out the door a new one is 24-27.

KPLAFIN 09-10-2008 12:34 AM


Originally Posted by talusfan (Post 306444)
No prht. Front damage, nothing major. 1.5 k in parts, couple hours in the paint booth for rent and we have lift off. Ebay is awesome for parts, even really new shit. I'll take a brand new miata for under 12k paid for any day.
Well you have to be able to do the work yourself, or at least alot of it. Still though out the door a new one is 24-27.

Sounds good. Will be almost free after selling off the NA and the parts.

Working on boxing your stuff up as we speak by the way.

talusfan 09-10-2008 12:42 AM

Shooting for a bit more than free. ;)

Ben 09-10-2008 08:16 AM


Originally Posted by talusfan (Post 306419)
At 9k for an 08 with 2k miles, I can live with the tail lights even if they are kind of pimpish.

Ahh, I saw that car. Good score. You're not putting the airbags back in I presume...

talusfan 09-10-2008 09:40 AM

I am, I used to work for Mazda so I have alot of hook-ups on things. A little work for one of my parts guys and i got a free bags. I had to buy the controller though.
I usually just flip them but this one I kind of like. I could have lived with out the manumatic though. I figure i'll keep it til they give it a facelift in 2010.

Saml01 09-10-2008 10:47 AM

How well do you think the automatic will handle the additional power?

Fireindc 09-10-2008 03:39 PM

Well the thing is, once you get it fixed as long as the title isn't salvage, you could trade/sell it and get a manual one. The manumatic ones are more expensive iirc anyways.

Or get an rx8.

;)

cardriverx 09-10-2008 04:52 PM


Originally Posted by talusfan (Post 306396)
Good idea, I Should have thought of that already. I'll be picking one up this week.

What other options, do you guys recommend for a turbo? Making power early is more preferable to me over max top end, If that makes any sense.



Well I did some rough calculations, and at around 240 hp (sorta random guess) with the turbo, you would be looking for a pressure ratio of around 2.2 with 28 ish lb/min of flow.


A compressor map from a gt2871R seems to fit perfect

Hope that helps :)


:giggle:

talusfan 09-11-2008 12:56 AM


Originally Posted by Saml01 (Post 306561)
How well do you think the automatic will handle the additional power?

No clue. I'll throw a mini broom and dustpan in the trunk though just in case.


Originally Posted by Fireindc (Post 306716)
Well the thing is, once you get it fixed as long as the title isn't salvage, you could trade/sell it and get a manual one. The manumatic ones are more expensive iirc anyways.

Or get an rx8.

;)

I'll wait til 10 when they give it a facelift.


Originally Posted by cardriverx (Post 306735)
Well I did some rough calculations, and at around 240 hp (sorta random guess) with the turbo, you would be looking for a pressure ratio of around 2.2 with 28 ish lb/min of flow.


A compressor map from a gt2871R seems to fit perfect

Hope that helps :)


:giggle:


Helps tremendously as soon as I translate it to noob english lol.
What flange is gt2871R?

Joe Perez 09-11-2008 01:42 AM


Originally Posted by talusfan (Post 306438)
Educate me, What is the difference between 2860RS - 2871 - GT2560

The size of the housings and wheels.

These pages are your friend:
http://www.turbobygarrett.com/turbob...gt_basics.html
http://www.turbobygarrett.com/turbob...ochargers.html

The "R" suffix denotes a ball-bearing center. The "S" is a semi-meaningless differentiator between sub-models of the same turbo.

cardriverx 09-11-2008 10:37 AM


Originally Posted by talusfan (Post 306870)


Helps tremendously as soon as I translate it to noob english lol.
What flange is gt2871R?

Look at the links joe gave you, it explains the equations and how it works.



http://www.atpturbo.com/Merchant2/me...egory_Code=GRT



The turbo can have a T25 or T3 flange... I would get a .63 a/r on the exhaust side.



If your planning on like upwards of 350 hp, you might want to consider a gt30... What are you aiming for anyway? How well built is the NC engine?


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