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Old 06-10-2013, 09:44 PM   #1
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Default E85 Turbo MX5 Build

Well now that i have made the decision to go down the turbo route i thought i would start my own thread and detail my journey.

Prior going down the turbo route i was into the #hellaswag stance scene and complete destroyed the way the car handled and how it should be driven.

Xforce Headers
2.5inch piping all the way back to RS*R exmag gt2
Project g skirts
xxr 527
Garage vary front lip
Sparco Sprint V
yellow speed premium comps



Mx5 by Full Motion Photography, on Flickr


I drove it around like this for a year before getting bored of it and with friends starting to attend more track events i thought only logical thing would be to go down the turbo route and get the car back to glory !

First step was to find a setup, i was looking for something that is stealth in the engine bay due to strict laws in Australia, i found a kit for sale on a local forum for :

Log mani
t2554 turbo
3" dump
Intercooler + piping

For the price i paid for the bolt in kit i was laughing until the time came to actually install it into the car and i started have all sorts of issues with nothing fitting properly, everything had to be custom fitted as the intercooler piping was all incorrect, dump with hitting the gearbox and other bit and pieces missing. While this was in-progress i also had a 3" turbo back exhaust made up from stainless.






Turbo bolted on



With the intention of going to the ever so popular E85 based fuel i purchased a DW200 fuel pump and some 850cc Five0motorsports injectors

Also managed to find a set of 6uls for sale locally 15x9 with 225/45 Toyo R888



This is how the car looks with the current wheels



Interior

Din : Racetech oil,water temp, oil pressure
right vent : innovate MTX-L
Left - Turbosmart boost gauge



After having several issues with trying to get my megasquirt to work properly i finally gave up and sold it off and purchased a Haltech PS1000 and haven't looked back, car was then booked into Micks Motrosports for a single map E85 tune.

Car managed to make 217 hp @ 12 psi.

I have been told dyno reads lower than normal but none the less i was externally happy and when i first took it for a drive i was amazed at how much pull it actually had, highly recommend e85 you cannot look past that mid range torque increase.



Here is a short video of how the car sounds



Sorry about the long first post
Attached Thumbnails
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E85 Turbo MX5 Build-7318368312_904260c2e1_c.jpg  

Last edited by elitee; 06-10-2013 at 10:02 PM.
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Old 06-10-2013, 10:50 PM   #2
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I like it, all except for the hipster mustache. Why?!?!

Otherwise loving the car, get some wot vids for us. I want to see how it compares to mine with a 99 motor/t25.
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Old 06-13-2013, 12:14 AM   #3
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Very clean NB! Are you still running the factory clutch?
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Old 06-13-2013, 02:08 AM   #4
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thanks.

@fireindc will try get some videos this weekend.

@southernmx5 i installed a f1 racing stage 1 clutch a few years back and at the moment it is holding up
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Old 06-13-2013, 09:52 AM   #5
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Great start.
I'm a bit puzzled at the dyno plot.
1) why start the pull so late
2) spool still seems kinda slow for a 2554. is this an ebay unit?
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Old 06-13-2013, 10:04 AM   #6
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Quote:
Originally Posted by 18psi View Post
Great start.
I'm a bit puzzled at the dyno plot.
BECAUSE AUSTRALIA!
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Old 06-13-2013, 11:31 AM   #7
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Good to see you finally got it sorted. Good figures for 12psi.

Its a Nissan S13 turbo.

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Old 06-13-2013, 11:35 AM   #8
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Oh so its journal bearing then?
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Old 06-13-2013, 11:42 AM   #9
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looks pretty sound overall! Welcome! well... all is welcome except the mustache... hahaha jk
what problems were you having with the megasquirt???
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Old 06-13-2013, 11:53 AM   #10
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Yep not BB, the megasquirt just didnt want to run without fuel setting that were WAY out by factors of 5-10, I had a spare hour the day I was up that way with the white na6 at the drags, I could barely get it to move under its own power, no idea what the issue was.

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Old 06-13-2013, 08:06 PM   #11
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Yeah it's a Journal bearing turbo off and s13 with a .86 rear housing
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Old 06-14-2013, 12:24 AM   #12
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Quote:
Originally Posted by 18psi View Post
Great start.
I'm a bit puzzled at the dyno plot.
1) why start the pull so late
2) spool still seems kinda slow for a 2554. is this an ebay unit?
I believe 1 and 2 are related. I know on my wrx with the tiny turbo that the difference between starting at 2k rpm and 2.5k rpm was like 10ftlbs at the 3krpm peak torque, because the turbo just hadn't finished spooling yet.

*Wait, wait wait. Australian, turbo'ed, couldnt make MS work so went haltech. You arent the guy from that there Utube series?
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Old 06-14-2013, 12:54 AM   #13
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Nah that's me.
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Old 06-14-2013, 02:54 AM   #14
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Pretty sure the main reasons are that its journal bearing and has an .86 rear housing on it
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Old 06-18-2013, 09:12 PM   #15
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took the car for its first proper drive last weekend, was so happy how well it drove and how good it felt going through the mountains.

Once the r888 got heat into them the car just stuck to the ground boosting through corners was no issue.

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Old 07-07-2013, 08:12 PM   #16
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Picked up a new turbo over the weekend, GT28R 60 Rear housing, should see a big difference in power spool and torque over my current T25 0.86

Will also be getting turbo ceramic coated and picking up some inconel studs then off to drags in august and hopefully some track time.
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Old 10-24-2013, 01:20 AM   #17
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Car is all back together with new turbo with inconel studs and s15 retainers + intake setup custom box and shield. full brake upgrade and new turbosmart bov, hoping to get the car in for a tune in the coming weeks.

The 28r i purchased ended up being blown so i had to settle for a china 2870 that my mechanic had so only time will tell how it goes on the dyno.


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Old 10-24-2013, 03:10 PM   #18
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Seriously, what's with Australians and Megasquirts?

It's like all Megasquirts imported into the country go through Haltech's shop and get hacked and fuxored up...

"Oh, you're having problems with your Megasquirt? Oh man, that sucks, we've heard they aren't very good. Welp, we have a Haltech sitting around not being used if you want to buy that instead..."
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Old 10-24-2013, 04:49 PM   #19
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The maps are upside down.



Sincerely,

Dude who may or may not run a Haltech on his turbo Miata. *shifty eyes*
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Old 10-24-2013, 07:11 PM   #20
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comes down to the fact that no tuners actually tune megasquirt in Australia, Haltech is much bigger and alot of tuners use it
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