TURBO BUILDs - was TURBO PICS POSTED

Archives of Posts to the NZ MX5 List back in 2005
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Okibi
See my 5 and raise you.
See my 5 and raise you.
Posts: 94
Joined: Fri May 19, 2006 2:03 am

TURBO BUILDs - was TURBO PICS POSTED

Post by Okibi » Mon Dec 12, 2005 10:48 am

12 psi sounds quite high on a stock 1.6 engine.

Are you going to put a metal head gasket in?

I think the AVO kits run about 7psi.

- Dave.

From chris.tankard@aderant.com Fri Apr 27 17:19:00 2007
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Re the Head Gasket - yes I will be.

Re: 12 PSI - this is what the FMII kit runs on the same engine and
people seem to be able to run them like this day in / day out without
issue. I have done a lot of reading on the miata.net forums and 12PSI
seems to be regarded as safe - anything more however will need the
internals changed.

I will start with lower boost and slowly ramp it up.

C

From chris.tankard@aderant.com Fri Apr 27 17:18:59 2007
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Oops - forgot to show - here is the head gasket I will be using:

From chris.tankard@aderant.com Fri Apr 27 17:18:59 2007
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Subject: RE: TURBO BUILDs - was TURBO PICS POSTED
Date: Mon, 12 Dec 2005 11:10:55 +1300
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Oops - here is the head gasket that I will be using. Sorry if I just
double posted.

http://www.flyinmiata.com/index.php?dep ... cknumber=0
4-20005%20%2080MM
If you had access to a car like this, would you take it back right away? Neither would I.

WiM
Need, more, 5-ing, time....
Need, more, 5-ing, time....
Posts: 108
Joined: Fri Jun 30, 2006 9:54 am
Location: Christchurch

TURBO BUILDs - was TURBO PICS POSTED

Post by WiM » Mon Dec 12, 2005 12:00 pm

nah, 12psi is no problem on stock engine, at least not in normal day
use, race track usage is a whole different story...
WiM


Quoting David <miata@arach.net.au> on Mon, 12 Dec 2005 05:48:18
+0800:

12 psi sounds quite high on a stock 1.6 engine.

Are you going to put a metal head gasket in?

I think the AVO kits run about 7psi.

- Dave.


WiM
'91 1.6 MX-5 (due to immigration for sale)
www.mx5ireland.com
www.cardomain.com/memberpage/312875

From jifjif@gmail.com Fri Apr 27 17:18:58 2007
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Date: Mon, 12 Dec 2005 12:20:29 +1300
From: ~Jeff~ <jifjif@gmail.com>
To: MX5List <mx5list@mx5club.org.nz>
Subject: Re: TURBO BUILDs - was TURBO PICS POSTED
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Hi Chris

The Purple people eater has:
a GTX VJ20 turbo (small-ish)
FMLink
ACT HD clutch + kevlar disc
RX7 550cc injectors
better brake pads and tyres
"Stage 1 lightening" - ie the easy stuff
12 psi, stock headgasket for >40k km now.
lotsa other stuff
... probably only 180-200 rear wheel horsies! (haven't dyno'd it,
rather spend the $$ on tyres!)

waiting to be installed:
VF23 ballbearing turbo (from a Subie Sti)
torsen
wideband o2 sensor
bigger intercooler
etc etc.

It also needs a better radiator, the stock one barely holds up even
under normal use!

fun fun fun :)


On 12/12/05, Chris Tankard <chris.tankard@aderant.com> wrote:
[...]

From keyaccounts@waipunahotel.co.nz Fri Apr 27 17:18:57 2007
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Subject: West Brook Winery Run
Date: Mon, 12 Dec 2005 14:40:26 +1300
Thread-Topic: TURBO BUILDs - was TURBO PICS POSTED
Thread-Index: AcX+qvqJ1Z8CnN0rRte88P2rF/0C6wAD7gRA
From: "Nicky Patchett" <keyaccounts@waipunahotel.co.nz>
To: "MX5List" <mx5list@mx5club.org.nz>
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Just like to say a big "thank you" to Frans (and anyone else involved)for organising yesterday's Northern run to West Brook winery.

Even tho it kept threatening rain for the most part we had a dry run with around 30 cars turning out.

Apparently a few people managed to get lost out in the back blocks of northwest Auckland, Annette and I had no such problems - we just found out it pays not to "follow the car in front" ...in case that car is not ACTUALLY part of the run :OD

Thanks again for a lovely day out,

Nix

From supasparky@yahoo.co.uk Fri Apr 27 17:18:57 2007
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Date: Mon, 12 Dec 2005 02:20:09 +0000 (GMT)
From: glenn roberts <supasparky@yahoo.co.uk>
Subject: Re: TURBO BUILDs - was TURBO PICS POSTED
To: MX5List <mx5list@mx5club.org.nz>
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David..
You dont need metal headgaskets for 12psi in any
modern engine that is well tuned...
In the "good old days" people used to throw a blower
on their v8 or wind up the boost on their turbo
without doing proper tuning. The massive amount of
Knock/detonation would spike the pressure in the
cylinder and blow the head gasket as it was the
weakest link. So the "fix" was to put in a metal head
gasket, but then they wondered why the pistons/rods
failed.
There is just about no engine that needs to have a
metal headgasket fitted to it for more power...(When
using stock internals, when you go to forged pistons
and 30psi boost thats another story) the only
exception i can think of is the toyota 7MGTE. which
has crap head clamping.)
The trick is to tune properly and keep the knock away.


Glenn "SLYDIT"
http://miata.cardomain.com/id/supasparky
Currently building a DIY Turbo..
WiM
'96 Subaru Legacy S/W GT twin turbo
'97 Suzuki TL1000S
www.mx5ireland.com
www.cardomain.com/memberpage/312875

WiM
Need, more, 5-ing, time....
Need, more, 5-ing, time....
Posts: 108
Joined: Fri Jun 30, 2006 9:54 am
Location: Christchurch

TURBO BUILDs - was TURBO PICS POSTED

Post by WiM » Mon Dec 12, 2005 12:00 pm

nah, 12psi is no problem on stock engine, at least not in normal day
use, race track usage is a whole different story...
WiM


Quoting David <miata@arach.net.au> on Mon, 12 Dec 2005 05:48:18
+0800:

12 psi sounds quite high on a stock 1.6 engine.

Are you going to put a metal head gasket in?

I think the AVO kits run about 7psi.

- Dave.


WiM
'91 1.6 MX-5 (due to immigration for sale)
www.mx5ireland.com
www.cardomain.com/memberpage/312875

From jifjif@gmail.com Fri Apr 27 17:18:58 2007
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Date: Mon, 12 Dec 2005 12:20:29 +1300
From: ~Jeff~ <jifjif@gmail.com>
To: MX5List <mx5list@mx5club.org.nz>
Subject: Re: TURBO BUILDs - was TURBO PICS POSTED
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Hi Chris

The Purple people eater has:
a GTX VJ20 turbo (small-ish)
FMLink
ACT HD clutch + kevlar disc
RX7 550cc injectors
better brake pads and tyres
"Stage 1 lightening" - ie the easy stuff
12 psi, stock headgasket for >40k km now.
lotsa other stuff
... probably only 180-200 rear wheel horsies! (haven't dyno'd it,
rather spend the $$ on tyres!)

waiting to be installed:
VF23 ballbearing turbo (from a Subie Sti)
torsen
wideband o2 sensor
bigger intercooler
etc etc.

It also needs a better radiator, the stock one barely holds up even
under normal use!

fun fun fun :)


On 12/12/05, Chris Tankard <chris.tankard@aderant.com> wrote:
[...]

From keyaccounts@waipunahotel.co.nz Fri Apr 27 17:18:57 2007
Content-class: urn:content-classes:message
MIME-Version: 1.0
Content-Type: text/plain; charset="iso-8859-1"
Subject: West Brook Winery Run
Date: Mon, 12 Dec 2005 14:40:26 +1300
Thread-Topic: TURBO BUILDs - was TURBO PICS POSTED
Thread-Index: AcX+qvqJ1Z8CnN0rRte88P2rF/0C6wAD7gRA
From: "Nicky Patchett" <keyaccounts@waipunahotel.co.nz>
To: "MX5List" <mx5list@mx5club.org.nz>
Content-Transfer-Encoding: 7bit
Precedence: list
Message-ID: <_Wfs3.A.NNE.GxYMGB@L733>

Just like to say a big "thank you" to Frans (and anyone else involved)for organising yesterday's Northern run to West Brook winery.

Even tho it kept threatening rain for the most part we had a dry run with around 30 cars turning out.

Apparently a few people managed to get lost out in the back blocks of northwest Auckland, Annette and I had no such problems - we just found out it pays not to "follow the car in front" ...in case that car is not ACTUALLY part of the run :OD

Thanks again for a lovely day out,

Nix

From supasparky@yahoo.co.uk Fri Apr 27 17:18:57 2007
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Date: Mon, 12 Dec 2005 02:20:09 +0000 (GMT)
From: glenn roberts <supasparky@yahoo.co.uk>
Subject: Re: TURBO BUILDs - was TURBO PICS POSTED
To: MX5List <mx5list@mx5club.org.nz>
In-Reply-To: <363634910512111520q5309a85dree7c12797fe62ab3@mail.gmail.com>
MIME-Version: 1.0
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Message-ID: <ISXshB.A.ONE.GxYMGB@L733>

David..
You dont need metal headgaskets for 12psi in any
modern engine that is well tuned...
In the "good old days" people used to throw a blower
on their v8 or wind up the boost on their turbo
without doing proper tuning. The massive amount of
Knock/detonation would spike the pressure in the
cylinder and blow the head gasket as it was the
weakest link. So the "fix" was to put in a metal head
gasket, but then they wondered why the pistons/rods
failed.
There is just about no engine that needs to have a
metal headgasket fitted to it for more power...(When
using stock internals, when you go to forged pistons
and 30psi boost thats another story) the only
exception i can think of is the toyota 7MGTE. which
has crap head clamping.)
The trick is to tune properly and keep the knock away.


Glenn "SLYDIT"
http://miata.cardomain.com/id/supasparky
Currently building a DIY Turbo..
WiM
'96 Subaru Legacy S/W GT twin turbo
'97 Suzuki TL1000S
www.mx5ireland.com
www.cardomain.com/memberpage/312875

paul/dee webster

TURBO BUILDs - was TURBO PICS POSTED

Post by paul/dee webster » Mon Dec 12, 2005 5:28 pm

i have been running 18psi for the last 3 years and 12psi for 1year on stock
1.6 with no problems

paul/dee webster

TURBO BUILDs - was TURBO PICS POSTED

Post by paul/dee webster » Mon Dec 12, 2005 5:28 pm

i have been running 18psi for the last 3 years and 12psi for 1year on stock
1.6 with no problems

Darryl Curran

TURBO BUILDs - was TURBO PICS POSTED

Post by Darryl Curran » Mon Dec 12, 2005 7:05 pm

The set up we are going to be running is GT2554R, though maybe if the
customer wants to stretch his budget we could go with a GT2560R but not sure
its worth it for a street car.
FMIC, GTX injectors, walbro pump, rising rate FPR, Link ECU.

How much boost you can run is all relavent to the size of the turbo. From
what I understand 12psi is fine with the Trust kits and similar turbos.


Darryl Curran

Darryl Curran

TURBO BUILDs - was TURBO PICS POSTED

Post by Darryl Curran » Mon Dec 12, 2005 7:05 pm

The set up we are going to be running is GT2554R, though maybe if the
customer wants to stretch his budget we could go with a GT2560R but not sure
its worth it for a street car.
FMIC, GTX injectors, walbro pump, rising rate FPR, Link ECU.

How much boost you can run is all relavent to the size of the turbo. From
what I understand 12psi is fine with the Trust kits and similar turbos.


Darryl Curran

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