400whp turbo setup from NZ
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400whp turbo setup from NZ
Hi all ,
I'm new here but certainly not new to the rx8 . As the title states I have developed a turbo setup for the Renesis. If any of you are on the US site , I'm Brettus on there also.
Anyway , the new manifold I built for it worked so well I decided to get them cast in stainless and will at some point be making them available to fellow rotary enthusiasts.
Would post a pic here but it seems a bit of a mission for me to do that on this site so I'll just post a link: https://www.rx8club.com/series-i-major- ... ost4942654
Also to warpcoil : can't post on Chrisholmes's thread without joining (haven't decided if I will yet). Have discussed it with him off site though.
I'm new here but certainly not new to the rx8 . As the title states I have developed a turbo setup for the Renesis. If any of you are on the US site , I'm Brettus on there also.
Anyway , the new manifold I built for it worked so well I decided to get them cast in stainless and will at some point be making them available to fellow rotary enthusiasts.
Would post a pic here but it seems a bit of a mission for me to do that on this site so I'll just post a link: https://www.rx8club.com/series-i-major- ... ost4942654
Also to warpcoil : can't post on Chrisholmes's thread without joining (haven't decided if I will yet). Have discussed it with him off site though.
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Re: 400whp turbo setup from NZ
Oh boy, I feel a divorce coming on.
I've always wanted to turbo or supercharge my car
I've always wanted to turbo or supercharge my car
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Re: 400whp turbo setup from NZ
Hi and Brettus
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Re: 400whp turbo setup from NZ
Interesting
what sort of price were you thinking for the manifold? and are you planning on producing a kit of parts?
I'm assuming that you're using the stock ECU with mazda edit or versatune ?
what sort of price were you thinking for the manifold? and are you planning on producing a kit of parts?
I'm assuming that you're using the stock ECU with mazda edit or versatune ?
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400whp turbo setup from NZ
Hi & to the RX-8OC
<<<<<< Please put your Location in your Profile Box, it will help us to know where you are, if required any help in the future
<<<<<< Please put your Location in your Profile Box, it will help us to know where you are, if required any help in the future
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- Brettus (Fri May 07, 2021 7:46 am)
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Club Member from 2006 - present
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Re: 400whp turbo setup from NZ
Don't know the price yet sorry . I'll be offering a package that includes : the manifold, an engine mount bracket(wont fit without this) , tuning via Mazdaedit and support for the build . Highly unlikely I'll ever offer a kit .
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Re: 400whp turbo setup from NZ
If it helps with your decision, any member of the OC is now allowed to advertise, for both privates sales and "trading", on the forum, whereas guests are not...
anyway
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Re: 400whp turbo setup from NZ
And guests it seems
15th year of ownership and still here
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Re: 400whp turbo setup from NZ
If I have anything to sell ,which I don't currently (and may not ever) I'll def join.
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Re: 400whp turbo setup from NZ
Having got this far with your kit development I doubt you won’t make sales as there seems to be a hunger currently amongst a new generation of RX8 owners now that turbo and associated systems and design technology and has improved significantly from the historic days of “that’s a nice big turbo, I will weld a flange onto the exhaust and see how it goes”
Not suggesting you or anyone in particular was ever guilty if that!
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Re: 400whp turbo setup from NZ
Only problem is shipping and any import duties from any where overseas.
What would that add to the cost.
Not that I need a turbo kit as I’m going self build SuperCharged.
What would that add to the cost.
Not that I need a turbo kit as I’m going self build SuperCharged.
13BLT Renesis Rotary powered Dolomite Sprint in the making.
Balanced Lightened and Tweaked.and Supercharged.
Balanced Lightened and Tweaked.and Supercharged.
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Re: 400whp turbo setup from NZ
As demonstrated by our compression tester group buy from Australia, import duties can be unpredictable and sometimes painful.
Carriers act as the collectors for the tax authorities and are highly inconsistent in their interpretation of the rules, even the same products, with the same description, via the same carriers, to various addresses in the same countries; anything from zero to +40% of the value and shipping cost.
The carriers also charge a fee to collect this money, only adding to the ransom, before they release your package.
At least NZ is now on a level playing field with the rest of the world, including the EU.
The physical shipping charges from AUS/NZ are surprisingly reasonable, until you get beyond particular weight/size limits, then they just go through the roof.
The trick would be to only source the bespoke parts from the other side of the world, while making-up the complete package using a pick-list of more locally sourced elements.
Carriers act as the collectors for the tax authorities and are highly inconsistent in their interpretation of the rules, even the same products, with the same description, via the same carriers, to various addresses in the same countries; anything from zero to +40% of the value and shipping cost.
The carriers also charge a fee to collect this money, only adding to the ransom, before they release your package.
At least NZ is now on a level playing field with the rest of the world, including the EU.
The physical shipping charges from AUS/NZ are surprisingly reasonable, until you get beyond particular weight/size limits, then they just go through the roof.
The trick would be to only source the bespoke parts from the other side of the world, while making-up the complete package using a pick-list of more locally sourced elements.
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Re: 400whp turbo setup from NZ
Well, I still have to make and test the cast version of my handbuilt manifold yet. Only If that all goes well , will I make some.ChrisHolmes wrote: ↑Fri May 07, 2021 11:46 amHaving got this far with your kit development I doubt you won’t make sales
Doing this kind of thing was never on the radar for me when I started. But when I realised how well it performs and how great the packaging/heat management is vs what else is out there ..... I thought it was worth pursuing.
I'm actually really looking forward to the testing. Added bonus : my accountant informs me it's all going to be tax deductable, so I'll be testing like there is no tomorrow
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Re: 400whp turbo setup from NZ
that's excellent, you just need to find more things to "test"Brettus wrote: ↑Fri May 07, 2021 7:57 pmWell, I still have to make and test the cast version of my handbuilt manifold yet. Only If that all goes well , will I make some.ChrisHolmes wrote: ↑Fri May 07, 2021 11:46 amHaving got this far with your kit development I doubt you won’t make sales
Doing this kind of thing was never on the radar for me when I started. But when I realised how well it performs and how great the packaging/heat management is vs what else is out there ..... I thought it was worth pursuing.
I'm actually really looking forward to the testing. Added bonus : my accountant informs me it's all going to be tax deductable, so I'll be testing like there is no tomorrow
Thanks, Stu
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Re: 400whp turbo setup from NZ
Welcome
Brett - I know you helped in the development on Gary’s car - flameshades - years ago
I might need some advice
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Brett - I know you helped in the development on Gary’s car - flameshades - years ago
I might need some advice
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Re: 400whp turbo setup from NZ
Looks like I may have sold my G30-660 1.01 vband turbo and fabricated manifold. This makes way for me to purchase a turbo specially for the new cast manifold.
It will be a G30-660 with a T3 0.83 . The current turbo already has possibly the quickest spoolup we have yet seen on a 350+ Renesis (16psi by 3600) ...the new one is going to beat that by a decent margin while still making 400whp.
Will also be trialing some CNCd Renesis low compression rotors ...it's gunna be wild!
It will be a G30-660 with a T3 0.83 . The current turbo already has possibly the quickest spoolup we have yet seen on a 350+ Renesis (16psi by 3600) ...the new one is going to beat that by a decent margin while still making 400whp.
Will also be trialing some CNCd Renesis low compression rotors ...it's gunna be wild!
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Re: 400whp turbo setup from NZ
what material are the rotors going to be ? Steel instead of cast iron ? or ally with steel gears ?
as I've long thought an ally rotor would give some big benefits if it can hang together
or even Titanium perhaps
as I've long thought an ally rotor would give some big benefits if it can hang together
or even Titanium perhaps
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Re: 400whp turbo setup from NZ
are you planning to change the shape of the bath-tub / combustion chamber ? as I've long thought a tapered chamber would work better
just come across this which makes interesting reading
just come across this which makes interesting reading
You do not have the required permissions to view the files attached to this post.
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Re: 400whp turbo setup from NZ
Brett glad to see you moving more towards drivability rather than all out power, the smaller AR will certainly help with that, very much the approach of the RRP system Lowering the threshold and hence reducing system lag can only ever be a good thing making the car better mannered, more punchy and closer to that OEM+ feel we all want.Brettus wrote: ↑Mon May 10, 2021 7:24 amLooks like I may have sold my G30-660 1.01 vband turbo and fabricated manifold. This makes way for me to purchase a turbo specially for the new cast manifold.
It will be a G30-660 with a T3 0.83 . The current turbo already has possibly the quickest spoolup we have yet seen on a 350+ Renesis (16psi by 3600) ...the new one is going to beat that by a decent margin while still making 400whp.
Will also be trialing some CNCd Renesis low compression rotors ...it's gunna be wild!
For those looking at the boost pressure quoted in PSI, please note that comparing boost pressure from one turbo compressor to the next or even a supercharger is not possible, boost pressure in terms of system power is irrelevant and what matters is Total System Flow not pressure.
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Re: 400whp turbo setup from NZ
Agreed . That has always been my goal ...the widest possible power band. Most turbo Renesis setups fail miserably in this regard IMO.MadTaz wrote: ↑Mon May 10, 2021 3:57 pm
Brett glad to see you moving more towards drivability rather than all out power, the smaller AR will certainly help with that, very much the approach of the RRP system Lowering the threshold and hence reducing system lag can only ever be a good thing making the car better mannered, more punchy and closer to that OEM+ feel we all want.
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Re: 400whp turbo setup from NZ
So are those turbos going to be big enough to keep building power with a peak at the top end? I assume the redlines will be lowered compared to a n/a Renesis, but like any good rotary, it should still fun and worthwhile to rev it out.
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Re: 400whp turbo setup from NZ
I assume you mean the G30-660 ? Yes they are plenty big enough . I already hit 415whp at 14.5psi with a lower exhaust backpressure than my old GTX3582 setup. People seem to struggle to understand these new G series turbos .............. they basically make the same power as the next size up old generation turbos but with better spool due to lower moi.MightyCondor wrote: ↑Mon May 10, 2021 7:07 pmSo are those turbos going to be big enough to keep building power with a peak at the top end? I assume the redlines will be lowered compared to a n/a Renesis, but like any good rotary, it should still fun and worthwhile to rev it out.
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