rx8 20v turbo motor swap

[BlitzBoy]

Turblown\'s dyno figures were done on a Australian Dynapack not a US dynojet just like Surrey Rolling Road and Reworxs dynapack dyno

[tinker-27]

SRR is a Dyno dynamics Dyno , or it was ?

[Wendle]

Very excited about this project!  And as Tinker27 says, I want a useable but fun car for the road.  


p.s. The RX8 really stands out in a crowd and I always wanted one just for the looks!!! (typical girl statement!)

[Miki]

And, we (here and in the usa, oz etc) are missing a trick when it comes to porting etc and these guys are the only people that have been able to do it!

Again, its not in the porting. And no, they aren´t only people nor first to do it. Turbocharger itself and manifold design is where lies all power. What you guys are missing is understanding of how flow works in boosted engine - port is never limit. Those who tell otherwise just can´t admit, that they don´t understand these principles...

There are lots of people over here running gt35r\'s with no where near 500hp, on ported and standard!

Guy in the US, stock block 13B-REW, zero porting, GT35R 1.06 A/R, 21 psi boost, 500 HP@wheels, 131 MPH over 1/4, full weight FD. http://www.rx7club.com/showthread.php?t=746924
http://www.youtube.com/watch?v=riokysoniDE
What more you want?:2Rolleyes

Fair one! Still, i think the basis that we do not need porting to hit 400rwhp is a little optimistic. either renesis engine or 13b

This isn´t theory, its fact. Same guy as in above link gone for large BW S475 turbo, again, stock port engine, 700 HP@wheels at 32 psi, 143+ MPH trap speeds. You still don´t understand that porting is last thing needed in boosted engine - Ports can be optimized for volumetric flow, well, turbo doesn´t increase volume, but density - mass flow. Porting is not needed, quote any power level you want;)

Turblown\'s dyno figures were done on a Australian Dynapack not a US dynojet just like Surrey Rolling Road and Reworxs dynapack dyno

+1
Dynapack and dyno dynamics.

I don´t understand all that skepticism. Maybe some people can´t think outside of "13B port it huge" box:Grrr

[jetpilot]

Turblown\'s dyno figures were done on a Australian Dynapack not a US dynojet just like Surrey Rolling Road and Reworxs dynapack dyno

It would seem fact but am still struggling massively to come to terms that they are getting 400 rwhp off a standard block!!

[jetpilot]

Again, its not in the porting. And no, they aren´t only people nor first to do it. Turbocharger itself and manifold design is where lies all power. What you guys are missing is understanding of how flow works in boosted engine - port is never limit. Those who tell otherwise just can´t admit, that they don´t understand these principles...

Guy in the US, stock block 13B-REW, zero porting, GT35R 1.06 A/R, 21 psi boost, 500 HP@wheels, 131 MPH over 1/4, full weight FD. http://www.rx7club.com/showthread.php?t=746924
http://www.youtube.com/watch?v=riokysoniDE
What more you want?:2Rolleyes

This isn´t theory, its fact. Same guy as in above link gone for large BW S475 turbo, again, stock port engine, 700 HP@wheels at 32 psi, 143+ MPH trap speeds. You still don´t understand that porting is last thing needed in boosted engine - Ports can be optimized for volumetric flow, well, turbo doesn´t increase volume, but density - mass flow. Porting is not needed, quote any power level you want;)


+1
Dynapack and dyno dynamics.

I don´t understand all that skepticism. Maybe some people can´t think outside of "13B port it huge" box:Grrr

Listen, i will take your condescending tone lightly as i presume English is a 2nd language!

I am not talking from my point of view or knowledge, i have little!

I am talking from the experience of many tuners worldwide, probably many who know far more than you who and have highly reputable business\'s, why is everyone else struggling to reach these figures with the same turbos, but these guys have done it off a standard block!

Sorry buddy, but this info just undermines what we all presume to be correct on here!

[Miki]

My tone is entirely appropriate. I gave you valid scientific information how it works and why others failed. I also gave you performance proof of what you consider not possible without porting etc. And just because you can´t understand discussed subject, you refused it with reference to "experience of higly reputable business". Well, such business is not reputable in my eyes.

Enjoy living in the world you presume to be correct, just because it folows some rules what you believe is possible and what not. You will always be just follower. No wonder power lacks over here with such attitude for new things and facts...

[Grant Monkhouse]

Increased boost in to a standard block will give high HP numbers but with great inlet temps. If you port an engine then the same HP can be attained with less boost who equals less heat. It\'s a fact.

A standard port will be beaten at HP for the same boost level by a pored block.

Running 1.5 bar through a gt35 would probably get the 500 HP but most people here in the uk only run 1 bar don\'t they.

[Grant Monkhouse]

The first post in the link to the rx7 club says it is street ported. Gt35 on a T3. So it\'s not a standard port

[jetpilot]

My tone is entirely appropriate. I gave you valid scientific information how it works and why others failed. I also gave you performance proof of what you consider not possible without porting etc. And just because you can´t understand discussed subject, you refused it with reference to "experience of higly reputable business". Well, such business is not reputable in my eyes.

Enjoy living in the world you presume to be correct, just because it folows some rules what you believe is possible and what not. You will always be just follower. No wonder power lacks over here with such attitude for new things and facts...

Your tone is not appropriate, unless you are speaking from experience rather than just what you have seen on the net!

I put my faith in the engine builders and tuners of this country, not someone who just comes up with a link without any experience, unless of course you have one of these kits, do you?

Your right, i cant understand discussed subject, i am sure most on here cant, as its completely alien to us, there is probably a handful of 500+ hp cars in this country (i am one of them), let alone ones with 500 rwhp! And those owners have spent a huge sum of money to get there! Not just bought a bolt on kit!

When you have one of these kits installed on your car with 500rwhp, please come and tell me and all the specialists we are doing it wrong or even better, come here yourself, set up a business and make a fortune!

[Miki]

Increased boost in to a standard block will give high HP numbers but with great inlet temps. If you port an engine then the same HP can be attained with less boost who equals less heat. It\'s a fact.

True. But once you go for really serious power, it doesn´t matter if your engine is stock, street, bridge etc. Boost will have to be high and temps will have to be controlled. Also intercooler is more efficient with higher deltaT;)

A standard port will be beaten at HP for the same boost level by a ported block.

True. But ported motor will have absolutely no midrange and in any real world situation, stock port will be faster, despite lack of peak power.

Running 1.5 bar through a gt35 would probably get the 500 HP but most people here in the uk only run 1 bar don\'t they.

Their choice:D

The first post in the link to the rx7 club says it is street ported. Gt35 on a T3. So it\'s not a standard port

Yes, I admit that:o But at this power level, since turbo is maxxed out, horsepower difference would be nill between any porting. I´m pretty sure Enzo somewhere mentioned that he found 12 HP difference between stockport and streetport at same boost (around 20 psi) on this very combination. So what kind of magnitude is it? 20 psi with street, maybe 22 with stock?

I know that you are following Peter´s work. He also uses stock 13B-REW. And you know what kind of power and boost he runs:chat

[Wendle]

Please stop fighting and talk about my new car!!  


Or take your fight to a new thread.  Ta much. :yes

[Grant Monkhouse]

Yes I do follow his work. WI just fascinates me!! I cant wait to run WI on my car. I noticed in that thread also that when they increased the boost by 5 psi I think they only gained 11hp so took it back to the lower setting.

I think an ice bath charge cooler would be even better for efficient cooling for max HP. The air density would be insane!! Spool the turbo quicker too. Stick some WI in there and you would have an insane amount of peak HP

[jetpilot]

Please stop fighting and talk about my new car!!  


Or take your fight to a new thread.  Ta much. :yes

We are not fighting, im just curious as to where this guy has gained all his wealth of tuning knowledge and experience on rotaries as we are all missing a trick it would seem!

Please tell us Miki!

[Grant Monkhouse]

Please stop fighting and talk about my new car!!  


Or take your fight to a new thread.  Ta much. :yes

Oops sorry. I think your car will be great. You get the looks of the 8 that you say and you won\'t have that feeling of having to do a rebuild at some point. And you will get better mpg.

Are you going to mod the engine performance or leave it standard?