Turbo NA-6.8 Build

Chat to do with your MX5/Miata/Eunos Garage Ride(s).

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rxmx
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Re: Turbo NA-6.8 Build

Postby rxmx » Tue Sep 25, 2012 11:19 pm

Hey mate, yah thats correct, the whole front section unbolts. The rear is similar to a bd but the mounting points go down to the floor pan behind the seats for the main hoop.
http://www.facebook.com/purefabcustom

EFR6758 run-in tune 259hp atw on 10psi pump 98 dyno dynamics

E85 tune - 445hp @ wheels 17psi

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Okibi
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Re: Turbo NA-6.8 Build

Postby Okibi » Tue Sep 25, 2012 11:20 pm

Love to see fabrication, thanks for sharing! Always wanted that style of intercooler setup if I ever turbo, looking forward to the dyno figures.
If you had access to a car like this, would you take it back right away? Neither would I.

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Re: Turbo NA-6.8 Build

Postby Hjt » Tue Sep 25, 2012 11:34 pm

Your brother is going to be very happy!

I'll message you, if possible I wouldn't mind dropping by and having a chat in the next few weeks!

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NitroDann
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Re: Turbo NA-6.8 Build

Postby NitroDann » Wed Sep 26, 2012 12:10 am

Some of this really is nice work, well done.

Dann
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charlie_91
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Re: Turbo NA-6.8 Build

Postby charlie_91 » Wed Sep 26, 2012 8:17 am

Man this is bullshit cool hey. It's awesome seeing someone chase big power :D very keen to see how this ends up. Also jelly of ur front cover on the turbo lol :( I want whistles hahaha
NA6 - Longnose engine, JR cai, full custom exhaust, BC coilovers, NA8 front brakes, frog arms, cusco cage, secret element tie rods

rxmx
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Re: Turbo NA-6.8 Build

Postby rxmx » Wed Sep 26, 2012 1:25 pm

Okibi wrote:Love to see fabrication, thanks for sharing! Always wanted that style of intercooler setup if I ever turbo, looking forward to the dyno figures.


No worries Okibi, other people posting stuff up was what motivated me. Pretty sure you would have to cut some some material out under the hood to route piping over the rad. This car has got some fiberglass humps in the hood to accomodate the pipes so It wasn't too hard. I might revise the hotside pipe and route the filter somewhere, just a bit hard when you have a 4" bellmouth on the turbo

Hjt wrote:Your brother is going to be very happy!

I'll message you, if possible I wouldn't mind dropping by and having a chat in the next few weeks!


Yah he's stoked with the way it all looks and sounds.

No dramas, drop by whenever and change your clutch so we can hit wsid in a few weeks :D

NitroDann wrote:Some of this really is nice work, well done.

Dann


Thanks mate, dunno how you build all your exhausts on the floor

charlie_91 wrote:Man this is bullshit cool hey. It's awesome seeing someone chase big power :D very keen to see how this ends up. Also jelly of ur front cover on the turbo lol :( I want whistles hahaha


Yah the intention with this car is to built a screama just for street and occasional strip duties, my brother grew up around rotas and v8's until I brought home my first turbo mx5 a long time ago :) . It will see the circuit at some stage but not often. Time for a gtx? it will bolt straight up to your housing :) PM me if you do decide to go down that path

Suli,
http://www.facebook.com/purefabcustom

EFR6758 run-in tune 259hp atw on 10psi pump 98 dyno dynamics

E85 tune - 445hp @ wheels 17psi

charlie_91
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Re: Turbo NA-6.8 Build

Postby charlie_91 » Wed Sep 26, 2012 5:20 pm

i was gonna just change the front compressor cover for an antisurge one but theres like minimal gap between that and my chassis rails so i wont really be able to fit anything bigger unfortunately :( unless i bash my chassis rails a bit lol
NA6 - Longnose engine, JR cai, full custom exhaust, BC coilovers, NA8 front brakes, frog arms, cusco cage, secret element tie rods

rxmx
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Re: Turbo NA-6.8 Build

Postby rxmx » Wed Sep 26, 2012 5:40 pm

Ahuh,

Your running a 2871r right? There is a gtx2876R, t2 framed, comp cover is still similar. Will spool more than a 2871 up top and respond better. Its right in the middle of 2871 and 3071.

I'll prob be getting one for the blue car. Either a 2867 or 2863 both will support over 350 atw.

S,
http://www.facebook.com/purefabcustom

EFR6758 run-in tune 259hp atw on 10psi pump 98 dyno dynamics

E85 tune - 445hp @ wheels 17psi

charlie_91
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Re: Turbo NA-6.8 Build

Postby charlie_91 » Wed Sep 26, 2012 6:34 pm

yeah ive seen that.. but at 1300 or something i cant justify it.. a new comp cover is like $300 lol. buy my comp cover and core and ill buy the gtx stuff :P
NA6 - Longnose engine, JR cai, full custom exhaust, BC coilovers, NA8 front brakes, frog arms, cusco cage, secret element tie rods

rxmx
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Re: Turbo NA-6.8 Build

Postby rxmx » Thu Sep 27, 2012 12:09 am

Hehe yah no worries, look around though they can be had for cheaper
http://www.facebook.com/purefabcustom

EFR6758 run-in tune 259hp atw on 10psi pump 98 dyno dynamics

E85 tune - 445hp @ wheels 17psi

rxmx
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Re: Turbo NA-6.8 Build

Postby rxmx » Sun Jul 21, 2013 5:28 pm

Just a quick update on whats been happening over the past 9 months or so, been a while..

Gonna try keep it brief as there have been alot of changes and too much to post so ill just post the important stuff :mrgreen:

Some new specs on the engine/turbo dept:
Freshly built 1.8L 9:1 JE pistons, whole rotating assembly balanced inc flywheel
ARP throughout
cometic mls HG
VVt oil pump and running ext petersons oil reg ( thanks for the info on this wozzah ), welded bungs in the sump for braided AN lines
Made the change to BP4w Head, I port matched and cleaned up the ports, HD valve springs, removed butterflies and gutted what I could from the vics manifold.
Built a new top mount tubular manifold with low angle merge collector + Stainless 3" dump
new hard pipe coolant reroute
Made a new fan shroud with twin slim line thermo fans
New RRFPR with hard line to AN adapters and braided fexible nylon fuel hose for future e85 switch
BW EFR 6758 .64 hotside
Built a custom baffled catch can with braided lines
Built a custom Air box, incorporated the vac lines/breather and water lines for a cleaner bay.
Just picked up a new 3.6 torsen off Lou, Installed some solid bushes, all I can say is its prob one of the best mods for a boosted mx running with a 6 speed.

Dyno'd the car a couple weeks ago and put down 259hp to the rear wheels on 10psi, really looking forward to seeing what this setup does with some more boost, hopefully turbo doesnt fall over at higher boost pressures where the billet garrett's shine. Also in the process of building a custom Intake manifold with velocity stacks and 70mm billet throttle body. Ill do a before and after dyno with the intake manifold to see where it helps or hurts. My goal at this stage is to make power as efficiently as possibe, so far the car makes as much power as the absurdflow setup I had with 8psi less so were on the right track. Once the powerplant is sorted and put through its paces we'll move onto a more track orientated setup and possibly a full weld in cage in place of the cusco 6 point, well see. Also started learning AutoCad at the start of the year through my engineering/fabrication studies so Iv'e stared CnC'ing alot of things wish I knew this earlier loving life with the cnc stuff.

Manifold
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Dump pipe
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Reroute, oil pressure reg and RRFPR
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CnCd some mounting tabs
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Airbox Mock-up
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Baffled catch can with drain plug, will check to see whats happening inside can after some hard driving. After the oil/air separator has done its job, I have vented it pre filter so any vapours that are expelled will be sucked up pre-filter inside the airbox and not post filter so it coats everything with oil if any.
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Have since pulled the heater hoses off and used earls high temp sheathing, as well as a longer oil feed fitting so its away from the DP.

Here's a pic of the intake manifold ive started building, the velocity stacks they are a thing of beauty. I CnC'd the plenum, folded it up and will stick the stacks inside then will sheet it up. Will have some more progress in this during the week..
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Here are some randoms of some other jobs I have been doing..

Big HP SR setup
Low angle merger, with a perfect blend from merger to flange. The car will be running 30psi on its low boost setting so I made sure there were no sharp edges or bad transitions that could cause any turbulence. The motor thats in the pics is just a dummy motor for all the fab work till the big mama engine is in..
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collector to flange port work.
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Massive 60mm wastegate
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Big Precision turbo
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Charge pipes, coldside one piece to remove another point of failure.
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Dump pipe purged and welded
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1.6L long runner top mount, this was for a guy who cracked a shithouse ebay manifold about 4 times.

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Made a custom alloy checkerplate toolbox for a tradie painter, cnc'd all the panels then welded it and built the lockable drawer so he can tidy up all his eqiup.

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Suli,
http://www.facebook.com/purefabcustom

EFR6758 run-in tune 259hp atw on 10psi pump 98 dyno dynamics

E85 tune - 445hp @ wheels 17psi

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16bit
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Re: Turbo NA-6.8 Build

Postby 16bit » Sun Jul 21, 2013 6:39 pm

pimp. that is all.
98 evo gold - rotrexed and loving it.

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Jeo
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Re: Turbo NA-6.8 Build

Postby Jeo » Sun Jul 21, 2013 7:34 pm

Well said 16bit.

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Okibi
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Re: Turbo NA-6.8 Build

Postby Okibi » Sun Jul 21, 2013 10:23 pm

epic post is .. epic.

Beautiful work!
If you had access to a car like this, would you take it back right away? Neither would I.


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