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Turbocharged RX8 Videos Here!

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Old 01-15-05, 12:54 PM
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Thumbs up Turbocharged RX8 Videos Here!

Not sure if you guys have been following Jon and Jeff on their turbo projects, but here are the links:

Jon's Thread:
http://www.rx8club.com/showthread.php?t=49150

Jeff's Thread:
http://www.rx8club.com/showthread.php?t=46776

And the Videos:
Jon's Turbo RX-8 (philodox)
http://tyrannical.org/philodox1.wmv
http://tyrannical.org/philodox2.wmv

Videos of Jeff's Turbo RX-8 (MazdaManiac)
http://www.mazdamaniac.com/images/r...eo/rx8boost.mpg


Last edited by NEMESIS8; 01-15-05 at 01:15 PM.
Old 01-15-05, 04:47 PM
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Last link broken. Or atleast it no workie for me.
Old 01-15-05, 05:02 PM
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Try this one:

http://www.mazdamaniac.com/images/rx...o/rx8boost.mpg
Old 01-15-05, 05:42 PM
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That second video of Jon's needs to be cut down a lot!!!!!!!!!! That is way to freaking long, to watch someone just drive.

- Steiner
Old 01-15-05, 06:00 PM
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that took 16 minutes out of my life that i want back. interesting though

edit: i agree with him ^....i was trying to be nice
Old 01-16-05, 11:03 AM
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On Jon's second video, fast foward to the 13 minute.
Old 01-16-05, 11:26 AM
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Has anyone dynoed one of these things yet?
Old 01-16-05, 02:07 PM
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Originally Posted by Wargasm
Has anyone dynoed one of these things yet?
They are both going on the 21st to get dynoed:

Date: Friday, January 21st
Time: 11:00am
Place: Altered Atmosphere Motorsports
8011 Cessna Avenue
Gaithersburg MD, 20879
Old 01-16-05, 07:10 PM
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i didn't mind them ...
say ... is the first link working? i tried downloading it twice and it won't play more than a second. the other two worked fine - one was 16 minutes and the other was 15 seconds, right?
Old 01-16-05, 07:43 PM
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Originally Posted by NEMESIS8
They are both going on the 21st to get dynoed:

Date: Friday, January 21st
Time: 11:00am
Place: Altered Atmosphere Motorsports
8011 Cessna Avenue
Gaithersburg MD, 20879

That's only 10 minutes from my house... maybe I'll stop by to observe the goings on.
Old 01-16-05, 08:03 PM
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Hey, that second video (the 15 sec clip) was shot in Gaithersburg, right? Right off Exit 11/Montrose Rd Exit from 270 IIRC? I recognized it cuz that's where Steve (RevSteve) lives...
Old 01-16-05, 08:13 PM
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Originally Posted by Wargasm
That's only 10 minutes from my house... maybe I'll stop by to observe the goings on.
your assignment, if you choose to accept it ...

make a video clip of it if you can (and if they'll let you).
Old 01-16-05, 09:24 PM
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I have a digital video cam and I can make a video no problem if I go and they let me...
Old 01-16-05, 09:24 PM
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Originally Posted by diabolical1
i didn't mind them ...
say ... is the first link working? i tried downloading it twice and it won't play more than a second. the other two worked fine - one was 16 minutes and the other was 15 seconds, right?
philodox1 3513KB
philodox2 18186KB
rx8boost 5359KB
Old 01-17-05, 11:31 AM
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Since I can't drive I kept wondering if someone was honking at him. Then I said duh the beep that tells you to shift. I will be hearing that alot when I start driving my 87seven.
Thats her nickname. 87SEVEN.
Catchy aint it.
Old 01-17-05, 05:56 PM
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what bov ison that rx8???

damn that thing hurts haha

mike
Old 01-17-05, 07:09 PM
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definetly not impressed
Old 01-17-05, 07:28 PM
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Originally Posted by RacerX_IU
definetly not impressed
Well don't have too high expectations - it's not a 13BREW. The Renesis is a high compression motor, because it's NA. It's not designed for FI. In fact, the way the ports are, it's very difficult to make much power out of. That's why the Renesis is prob. an excellent candidate for supercharging, moreso than turbocharging (also cuz it lacks low end torque).
Old 01-17-05, 08:31 PM
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Originally Posted by FDNewbie
Well don't have too high expectations - it's not a 13BREW. The Renesis is a high compression motor, because it's NA. It's not designed for FI. In fact, the way the ports are, it's very difficult to make much power out of. That's why the Renesis is prob. an excellent candidate for supercharging, moreso than turbocharging (also cuz it lacks low end torque).
If the ports aren't very compatible with forced induction than how is a supercharger going to be better, aside from the increased boost at lower rpms.

- Steiner
Old 01-17-05, 08:37 PM
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Originally Posted by SnowmanSteiner
If the ports aren't very compatible with forced induction than how is a supercharger going to be better, aside from the increased boost at lower rpms.

- Steiner
I think it's less stress on the already stressed internals if I understand correctly? But you're right, the major upside is increased boost @ low rpms.

On a sidenote, you're at PSU? State College? Nice... I used to go there. It's one hell of a party school
Old 01-17-05, 08:45 PM
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Originally Posted by FDNewbie
Well don't have too high expectations - it's not a 13BREW. The Renesis is a high compression motor, because it's NA. It's not designed for FI. In fact, the way the ports are, it's very difficult to make much power out of. That's why the Renesis is prob. an excellent candidate for supercharging, moreso than turbocharging (also cuz it lacks low end torque).


It's still too early to tell if the Renesis will be able to handle boost. People boost higher compression rotarys all the time. The only problem I see with the Renesis it's complicated manifold design. All those flapper valves and stuff in the runners of the manifold will slow down air flow. Also being made out of plastic, there may be so much boost you can safetly run without cracking it.
Old 01-17-05, 08:46 PM
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How is it less stress? The supercharge is taxing more on the engine because of it being run off of a pulley. I thought that was one of the benefits of a turbocharger, because it doesn't tax the engine as much, it uses the exhaust gases that otherwise wouldn't play too much of a role, aside from port and exhaust length tuning. I don't get out too much here, to involved in my studies. Fairfax county eh? Yeah got my first and only speeding ticket there driving back home to SC. The cop didn't seem to thrilled with my excuse of not having any money for a hotel room, and being delayed due to traffic. Oh well it was still my fault for speeding.

BTW my questions are extremely legitmate. I'm not trying to be a **** or anything, I am just using what I know to try and see why a supercharger would be more beneficial.

- Steiner
Old 01-17-05, 08:48 PM
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Originally Posted by t-von
It's still too early to tell if the Renesis will be able to handle boost. People boost higher compression rotarys all the time. The only problem I see with the Renesis it's complicated manifold design. All those flapper valves and stuff in the runners of the manifold will slow down air flow. Also being made out of plastic, there may be so much boost you can safetly run without cracking it.

I believe mazda in australia made a turbo kit and were boasting about how it was so great and they weren't going to blow it and basically talking it up, but a few months later they blew the hell out of the motor. Consequently I also heard that another Aussie company came up with a turbocharger kit strikingly similar to that of Mazda's and is playing it off as their own.

- Steiner
Old 01-17-05, 09:10 PM
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Originally Posted by t-von
It's still too early to tell if the Renesis will be able to handle boost. People boost higher compression rotarys all the time. The only problem I see with the Renesis it's complicated manifold design. All those flapper valves and stuff in the runners of the manifold will slow down air flow. Also being made out of plastic, there may be so much boost you can safetly run without cracking it.
I guess we'll see soon enough. Like the example Steiner mentioned, I have yet to hear of anyone running any significant amount of boost/making any significant amount of power on a Renesis (reliably).

Originally Posted by SnowmanSteiner
How is it less stress? The supercharge is taxing more on the engine because of it being run off of a pulley. I thought that was one of the benefits of a turbocharger, because it doesn't tax the engine as much, it uses the exhaust gases that otherwise wouldn't play too much of a role, aside from port and exhaust length tuning. I don't get out too much here, to involved in my studies.

BTW my questions are extremely legitmate. I'm not trying to be a **** or anything, I am just using what I know to try and see why a supercharger would be more beneficial.
I didn't take it the wrong way at all. In all honesty Steiner, I'm not 100% sure why. You could very well be right. Chances are you know just as much as I do, if not more I just remember reading a few articles about it (don't recall the nitty gritty). And if I'm my memory serves me right, I coulda sworn one of them was discussing why Mazda was actually leaning toward a supercharged Mazdaspeed RX8, not a turbocharged one?

Fairfax county eh? Yeah got my first and only speeding ticket there driving back home to SC. The cop didn't seem to thrilled with my excuse of not having any money for a hotel room, and being delayed due to traffic. Oh well it was still my fault for speeding.
You know what's funny/sad? That's THE MOST COMMON comment I hear from people. "Oh Fairfax County? Yea I got pulled over there once..." LOL. Yea they don't play around here. How's U-Park doing anyways? When I left, they had just opened the new HUB for about a year. Very nice.
Old 01-17-05, 09:41 PM
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I just wanted to make sure. I didn't want you to take anything the wrong way. I guess we'll just wait to see if anyone who is better informed can help us out. The HUB, well it's still there haha. My freshman year a few friends and I wrote **** across the HUB lawn in the snow. It made the front page of the Collegian!!! It's nice, but doesn't reall flow well with any of the skyline, but I guess it is the skyline now.

- Steiner


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