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Old 09-29-2005, 08:32 PM
  #76  
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Originally Posted by Ciao
Youre joking Right!!!!????

Lesson !. Intercoolers have hot air comming in and cool air going out !! Guess which side the air pick up is ...... The cold side ..When you see my car ( or any turbo car) feel the entry point ( warm ) and the exit point (Cold)
There is such a fundamental flaw in that argument, I won't even comment. I'm actually flabbergasted you believe that.

Cheers,
Hymee.
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Old 09-29-2005, 10:14 PM
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Can anyone say HEAT EXCHANGE!
In order to cool something that is hot, an energy exchange occurs. This energy exchange will cool the hotter material but heat the cooler material. In this case the air is cooler but will heat after passing through th intercooler, however Dave your comment on the water injection option would help, however without it, you would be better off drawing the air from the front air dam or somewhere else similar, not from behind the intercooler.

Cheers.
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Old 09-29-2005, 10:22 PM
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Originally Posted by Ciao
Youre joking Right!!!!????

Lesson !. Intercoolers have hot air comming in and cool air going out !! Guess which side the air pick up is ...... The cold side ..When you see my car ( or any turbo car) feel the entry point ( warm ) and the exit point (Cold)
Ok I admit I'm a turbo novice, but isn't an Intercooler just a radiator and isn't it there to cool the air either from or to the turbo? If that is the case how does an intercooler take warm air and cool it down? The whole idea of a radiator is that the hot stuff flowing through the insides of the radiator transfers it's heat via the large contact area of the outside of the radiator to the air flowing across the radiator, thus the air flowing across exits at a higher temperature.


Originally Posted by Ciao
Lesson 2. RAM air is pressurised air from the front of the car .... The air pickup is behind a no restrictive intercooler ..We've tested different intercoolers ,and this one flows the air through to the air pickup as if it was poking out there alone .
Again, turbo novice, but what's the point of an intercooler that doesn't disrupt the airflow somewhat? There has to be contact area for the heat transfer to occur which would disrupt and disturb the flow of air. Have you seen how air comes off an aircraft wing? It's extremely turbulent and while the intecooler isn't going to have wings the air is going to become turbulent just by the nature of aerodynamics. I'd have thought having an air intake behind a radiator of any kind is going to cause a problem just because of the turbulence (however slight) let alone the heat.

I'm happy for you to point me towards references that prove me wrong, but it sounds to me like you've made the mistake.
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Old 09-30-2005, 01:29 AM
  #79  
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very very awesome project there..
even im not the owner but me myself cant wait too see its done! :D

if u dun mind dave may i know how much have u spent on that stuff ?
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Old 09-30-2005, 04:34 PM
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Originally Posted by Hymee
There is such a fundamental flaw in that argument, I won't even comment. I'm actually flabbergasted you believe that.
Is'nt that EXACTLY what YOU did .. comment???????? Duh !

Look, I'm putting all my details about my kit honestly and vulnerably on the web for all to see ( and srutinize ). If you have to make an attack on my kit( and all my years of experience ) I'd appreciate you Keep your flabbergasted comments to yourself !!

All constructive comments welcome ..though

The air pickup can easily be moved in front of the IC ...BTW ..If need be. :p

Luv Y'all

Dave
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Old 09-30-2005, 04:41 PM
  #81  
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Pics of MA zaust

https://www.rx8club.com/attachment.p...id=60154&stc=1

Quad pipes look Soooooooo classy ...Very pleased.
https://www.rx8club.com/attachment.p...id=60155&stc=1

https://www.rx8club.com/attachment.p...id=60156&stc=1

Magnaflow exhausts are one of the best in the Biz. guarenteed to be used on Rotary engines

Ciao

Dave
Attached Thumbnails OZZY Custom Turbo Install-dscn0602.jpg   OZZY Custom Turbo Install-dscn0607.jpg   OZZY Custom Turbo Install-dscn0608.jpg  
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Old 09-30-2005, 04:54 PM
  #82  
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Front end done!

https://www.rx8club.com/attachment.p...id=60158&stc=1

Custom Turbo Done And Custom Exhaust ,AND custom oil cooler relocation

All in less than 2 weeks ....A new World record..( jokes ) :p

Mazda Maniac said it could be done..Thnx Jeff

Dyno next week .....Very Nervous.!

Thanx for everybody's support....and Timbo ,we just might be able to make an affordable 5 grand package for forum members..Im seriously considering a few options . Anyway we wait in stressfull hope that programming wont be painfull.

Thanx All

Dave
Attached Thumbnails OZZY Custom Turbo Install-dscn0611.jpg  

Last edited by Ciao; 09-30-2005 at 05:00 PM.
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Old 09-30-2005, 05:07 PM
  #83  
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Originally Posted by Ciao
Is'nt that EXACTLY what YOU did .. comment???????? Duh !

Look, I'm putting all my details about my kit honestly and vulnerably on the web for all to see ( and srutinize ). If you have to make an attack on my kit( and all my years of experience ) I'd appreciate you Keep your flabbergasted comments to yourself !!

All constructive comments welcome ..though

The air pickup can easily be moved in front of the IC ...BTW ..If need be. :p

Luv Y'all

Dave
I don't believe anyone has posted anything attacking your turbo installation. The installation after all looks well made and the installation can't vary that much from the fundamental turbocharging plumbing designs.

what has been questioned in your posts is the way you choose to explain and hype the design. It seems to me you are better off letting the pictures speak for themselves.

I like the exhaust tips
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Old 09-30-2005, 05:22 PM
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Originally Posted by dracoMJB
Ok I admit I'm a turbo novice, but isn't an Intercooler just a radiator and isn't it there to cool the air either from or to the turbo? If that is the case how does an intercooler take warm air and cool it down? The whole idea of a radiator is that the hot stuff flowing through the insides of the radiator transfers it's heat via the large contact area of the outside of the radiator to the air flowing across the radiator, thus the air flowing across exits at a higher temperature.




Again, turbo novice, but what's the point of an intercooler that doesn't disrupt the airflow somewhat? There has to be contact area for the heat transfer to occur which would disrupt and disturb the flow of air. Have you seen how air comes off an aircraft wing? It's extremely turbulent and while the intecooler isn't going to have wings the air is going to become turbulent just by the nature of aerodynamics. I'd have thought having an air intake behind a radiator of any kind is going to cause a problem just because of the turbulence (however slight) let alone the heat.

I'm happy for you to point me towards references that prove me wrong, but it sounds to me like you've made the mistake.

yah.. what he said... I think you need to have the intake in front of the IC... the air behind the IC will be warmer for sure.. plus you get all that tubulence..
Why can't you hook up the intake to somewhere like RB's CAI sits..
Not sure if I mis-understood your post Caio, but hot side / cold side, or frontside / backside of in contect to ICs refers to compressor- side / manifold side. Not literally fore and aft.
When ppl refer to the hotside of and IC.. they mean the compressor-side. This is because the air has just been compressed and the is hot after this.. The IC cools the air before it gets to the manifold....
But I guess you already new that.. right :D :p

oh yeah.. forgot to say... ur turbo looks fully sic :p :p :p

Last edited by LittleJohn; 09-30-2005 at 05:26 PM.
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Old 09-30-2005, 10:47 PM
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Originally Posted by LittleJohn
Why can't you hook up the intake to somewhere like RB's CAI sits..
oh yeah.. forgot to say... ur turbo looks fully sic :p :p :p
Thanx for that .

By the way .to please all the bitches ( jokes ) :p
I have moved the air pick up to the front ..Two minute job ..Now my Stainless Steel Blitz high flow Air filter is at the front ....All HAPPY NOW !!!!!

FFS.You just had to ask me nicely

Thanx again all constructive comments..It all helps to create a easy , fantastic top quality kit ...Ive got a couple of tricks I have'nt mentioned just yet as we are waiting for Dyno results to test them ....Wait N see .

Luv Y'all

Dave
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Old 10-01-2005, 12:21 AM
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"Quad pipes look Soooooooo classy ...Very pleased."

Not for me! they don't look much bigger than the stock pipes.

The whole setup looks a bit skewed, how does it fit in the recess, the Hymee Exahust is very straight not as cranked as your setup.

It will be interesting to see it fitted.
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Old 10-01-2005, 02:08 AM
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Originally Posted by 18jambo74
"Quad pipes look Soooooooo classy ...Very pleased."

Not for me! they don't look much bigger than the stock pipes.

The whole setup looks a bit skewed, how does it fit in the recess, the Hymee Exahust is very straight not as cranked as your setup.

It will be interesting to see it fitted.
Sorry to interject but Ive been following this forum for over a year and had to register to respond to such a Silly remark

Cant you see someone is holding the tips in place.? It looks pretty obvious to me .
A bit skewed hey.?Where? They seem to fill up the hole awesomely !

(I hope I quoted properly )

Why must we beat up on this guy , we should be applauding the fact that someone has got off their laurels to make what I can see as a very innovative kit
that looks easy enough to install. And he did this in not even two bloody weeks

Give the guy a trophy I say!

Did you know Hymee's exhaust is fiberglass packed . Ask your insurer if they will cover you with a hazardous muffler like that . My background knowledge is dont even think about using cheap fiberglass exhaust packing on a rotary engine .Do you know the standard muffler is stainless packed .Why do you think Mazda does that?

I know drag cars that use the magna flows and that tells me something

Never heard of a Hymee exhaust used on the strip

Sorry had to get this off my chest .

Anyway greetings and hello from S.A

Carl
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Old 10-01-2005, 02:12 AM
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Sorry I didnt want to come over as harsh .


Im actually a nice guy

Just got off the phone from the manager at Gene . Rotary engines and fiberglass mufflers dont mix .
Avoid like the plague


Cheers

Carl
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Old 10-01-2005, 02:25 AM
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Originally Posted by CarlRX8
Rotary engines and fiberglass mufflers dont mix .
Avoid like the plague
Without intending to hijack this thread, can you please educate us on why Rotary engines and fiberglass mufflers dont mix?
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Old 10-01-2005, 02:40 AM
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Originally Posted by CarlRX8
Sorry to interject but Ive been following this forum for over a year and had to register to respond to such a Silly remark

Cant you see someone is holding the tips in place.? It looks pretty obvious to me .
A bit skewed hey.?Where? They seem to fill up the hole awesomely !

(I hope I quoted properly )

Why must we beat up on this guy , we should be applauding the fact that someone has got off their laurels to make what I can see as a very innovative kit
that looks easy enough to install. And he did this in not even two bloody weeks

Give the guy a trophy I say!

Did you know Hymee's exhaust is fiberglass packed . Ask your insurer if they will cover you with a hazardous muffler like that . My background knowledge is dont even think about using cheap fiberglass exhaust packing on a rotary engine .Do you know the standard muffler is stainless packed .Why do you think Mazda does that?

I know drag cars that use the magna flows and that tells me something

Never heard of a Hymee exhaust used on the strip

Sorry had to get this off my chest .

Anyway greetings and hello from S.A

Carl
Hey I wasn't knocking the guy, just passing comment on the setup and wondering how it was going to fit where the stock muffler sits.

So please tell us why fibreglass and Rotarys don't mix, can't wait.
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Old 10-01-2005, 02:45 AM
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Originally Posted by CarlRX8
Sorry to interject but Ive been following this forum for over a year and had to register to respond to such a Silly remark

Cant you see someone is holding the tips in place.? It looks pretty obvious to me .
A bit skewed hey.?Where? They seem to fill up the hole awesomely !

(I hope I quoted properly )

Why must we beat up on this guy , we should be applauding the fact that someone has got off their laurels to make what I can see as a very innovative kit
that looks easy enough to install. And he did this in not even two bloody weeks

Give the guy a trophy I say!

Did you know Hymee's exhaust is fiberglass packed . Ask your insurer if they will cover you with a hazardous muffler like that . My background knowledge is dont even think about using cheap fiberglass exhaust packing on a rotary engine .Do you know the standard muffler is stainless packed .Why do you think Mazda does that?

I know drag cars that use the magna flows and that tells me something

Never heard of a Hymee exhaust used on the strip

Sorry had to get this off my chest .

Anyway greetings and hello from S.A

Carl

GGeeeeez What a fist post ..Welcome Mate

I know what your saying about exhausts.....My buddies at Dyson ONLY use Stainless Packed exhausts for their cars ..And may I tell you these guys have done more rotories than Ive had hot dinners.. :D They have made world records many times with there stuff ..And they told me ..Dont ever risk it on such thermal exhaust temps with Cheap fiber packed mufflers .

I could have bought fiberglass mufflers for $100.bux a piece.And been done with it . But I got lobbed with a $500.bill with two friggin mufflers.....
Its all about reliability . You see most people will sell their RX8's in a couple of years and not know the time bomb they are leaving ythe next poor bastard

(Michael )Lock and Load has complained on how hollow his exhaust sounds ..I bet the fiberglass has melted to the muffler walls ...Might take one off and have a looksy. BTW he has a hymee exhaust ..

And yeah didnt you see the hand ,,in the exhaust shot ...Duh! It was just to show you guys approximately where it was going ...

I reckon it looks cool ..Im really sorry you dont like it :D

Stay beautiful

Dave
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Old 10-01-2005, 02:49 AM
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By the way Carl ...Can I have that trophy as a solid gold Rotor ..Just Jokes :D

No trophy till The friggin management is sorted ...Geesh I have a bad feeling about it !

Ciao

Dave
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Old 10-01-2005, 03:57 AM
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Tell me though mate,

what doesn't Michael complain about.

Good luck with your turbo!
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Old 10-01-2005, 05:46 AM
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Wink

this being my first post i would like to say hello to every body;

Dave;
I was told about this guy on here that is doing the first RZ8 turbo job
and i had to come on and check it out for my self.

after reading throught all the posts and seeing how long it has taken you since having the car at a new mechanics shop i recon that shop has been doing a fantastic job to fabricate all the components and have them all fitted and ready for tuning in such a short time.

you are right with the Magna flow mufflers as well mate i would only use them on a turbo car (be it piston or rotor)
thay do have a very nice not and as you have said thay are packed with a different fibre glass to some cheap mufflers out there.

I actually had a chance to have a look under another Yellow RZ8 from the (gold coast) the other day and he had the rear exhaust done.
it did look better than the standard rear muffler and would breath a lot better .
but for a turbo application ,it would be restrictive .

what you have chosen for your car will be about the best you could do iff you are to us the exit points provided in the back bar

what would look really nice is the dual tips comming throught the rear bar
right beside the center piece (were you could place the rotory badge)
just throught the fake mesh part.
and place mesh in were the standard exhaust tips are.

the air intake bit ;

if that intercooler is a good one it should drop the temp down by at least 30 -40 deg.
from the intake side to theexit side.
from the look of what you have done it is on the exit side
It has to be cooler just were it has been placed then under the bonnet.
and by the look of were it is there must have been some reason for it
Like easier to be able to service the filter
no room betweenthe bar and the intercooler to place it .
as the best air supply is front and centre of the car
or like the WRX just in front of the windscreen.
if it was placed just above the exit pipe of the cooler,
you cold run a fibre glass shield just behind it going towards the edge of the oil cooler
that would create enough turbulance to have a bit more air directed towards the pod (with out having to cut the front bar)

when the car gets dynoed Mate i would love to be there just to see how it goes for you .
well done mate;
may it be the first of many for you
and congradulations for being the first in Australia (as far as i know) to stick his neck out and have a go.

Cheers
Lew

PS.
sorry guys i got carried away .
LONG POST
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Old 10-01-2005, 05:54 AM
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I smell a Basil !!!!
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Old 10-01-2005, 06:07 AM
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what do you mean a BASIL?
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Old 10-01-2005, 06:19 AM
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FFS, there's too much attitude in this thread Ciao, just get on with the job and tell us how it's going. The proof, as they say, is in the pudding. Let's see what you get out of it, and how much it costs...and let's not go off-topic about largely irrelevant muffler crap. Take it to Ausrotary.
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Old 10-01-2005, 06:45 AM
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I toyed with the idea of twin tips a while back. At least on photoshop.
Attached Thumbnails OZZY Custom Turbo Install-quad-pipes2.jpg  
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Old 10-01-2005, 07:24 AM
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Originally Posted by CarlRX8
Sorry I didnt want to come over as harsh .

Im actually a nice guy

Just got off the phone from the manager at Gene . Rotary engines and fiberglass mufflers dont mix .
Avoid like the plague

Cheers
Carl
Your manager at Gen(i)e don't know crap from clay. Next time speak to the Tech Manager.......not the Sanitation Manager.

Last edited by Gomez; 10-01-2005 at 06:39 PM. Reason: typo
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Old 10-01-2005, 09:56 AM
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Just came back from my gig and saw an old friend of mine Wayne , The CEO from Ashmore exhaust ...... One of the biggest exhaust shop inQLD ( they got like 15 Hoists )

He has a HQ running 1200 RWHP On 98 pump gas ( he uses a centrif. Super charger)..He by the way, uses Stainless packed exhaust

I wanted another opinion about the fiberglass/ Rotary issue..And he said what I had already thought..NEVER USE FIBERGLASS PACKED MUFFLERS ON A ROTARY ENGINE

He claims the glass fiber collects in tiny ***** from the excessive heat pumped out by these li'l rotary things and eventually in some cases ( that he has witnessed on the drag strip ) catch fire and explode ..

10 pionts for guessing what is sitting three inches from the mufflers.....DING you guessed it ,,the fuel tank KA BOOM!!

I said I did extensive research in making this kit .

No way Im putting fiberglass packed mufflers on my car ..I love life too much...I have two small Children I love more than life itself..I think a $500 ( mufflers ) life insurance policy is cheap for peace of mind

By the way I'm not knocking hymee's exhaust because of its fiberglass packing ..but I believe ALL people selling fibergalss packed mufflers should really think long and hard about what may happen

Im sure with easy delicate driving some people will not have any issues BTW

I wonder what 6 hot laps at the nats on a race track will behold ...

I honestly hope guys with fiber pakd mufs get them inspected before entering a race track .....For their sake

B.......Safe

Dave
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