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  #1  
Old 03-15-2004, 06:04 AM
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4 Rotor.

MEAN!
Holy Christ I've never seen something tear off the line quite like this really worth to check out.
**Vid**
http://student.lssu.edu/~ujones/4rotorfd.mpg
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Old 03-15-2004, 08:01 AM
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Go to the NHRA drag races and watch Top Fuel dragsters and funny cars. And since you would be new to it, you might want to cover your ears.
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Old 03-15-2004, 10:05 AM
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HOLY SHIT.

What does it hit at the end of the track? Has to be around 6 seconds judging from that launch.

Yeah, Top Fuel is the greatest. If you head into the pits, make sure to stand about 30 feet away at all times too, Nitromethane fumes can make the strongest teary eyed.
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Old 03-15-2004, 10:54 AM
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That is pretty hauling for a rotary.

My question is how the heck did he get his hands on a four row. As far as I know, the GTP/Group C engines weren't publicly available. Is it a crank graft of two 13B's or something?
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Old 03-15-2004, 11:22 AM
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http://www.shepracing.com/videos/shep876.avi

check the guy in the right lane... heh he breaks something partway down the track so his time is 11 sec at 80. he coasts the rest of the way. that thing fuckin HOOKS it coming out of there.
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Old 03-16-2004, 09:08 PM
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Is it just me or does the exaust tone on a 4 rotor sound like the meanest son-of-a-bitch ever to come out of a fd? What are the specs on a 4 rotor cause ive never heard of one...just of the 2 and 3 rotor
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Old 03-16-2004, 09:42 PM
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DAMN i wonder what that et was... has to be pretty decent.

nice hook too, maybe because of the rotary's inherent lack of torque, but the driver seemed to be very skilled.

now see, that's what rotaries are supposed to sound like! too bad everybody has to put cheap exhaust on their rx7s and make them sound like ass. or maybe that's just what 2 rotors sounds like, i'm not all that good with those motors. i am a little curious as to where he got a 4-chamber tho.

wishing i had an rx-7 to play with
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Old 03-16-2004, 10:51 PM
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Re: 4 Rotor.

Quote:
Originally Posted by StangNut86
DAMN i wonder what that et was... has to be pretty decent.

nice hook too, maybe because of the rotary's inherent lack of torque, but the driver seemed to be very skilled.

now see, that's what rotaries are supposed to sound like! too bad everybody has to put cheap exhaust on their rx7s and make them sound like ass. or maybe that's just what 2 rotors sounds like, i'm not all that good with those motors. i am a little curious as to where he got a 4-chamber tho.

wishing i had an rx-7 to play with
No torque my ass. That thing took off FAST. Sounded like an Indy car or something....






Geezus. I would never line up against something that sounds like that.
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Old 03-17-2004, 06:25 AM
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Re: 4 Rotor.

Quote:
Originally Posted by Layla's Keeper
That is pretty hauling for a rotary.

My question is how the heck did he get his hands on a four row. As far as I know, the GTP/Group C engines weren't publicly available. Is it a crank graft of two 13B's or something?
I don't know if it is publicly available, I've seen one in another video a while back if I find that link I will post it up, plus yeah it is 100% custom.
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Old 03-17-2004, 09:23 AM
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Maybe they just straight jacked it out of a 787B?
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Old 03-17-2004, 09:52 AM
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Re: 4 Rotor.

Thatz one bad Mazda guess thats where they get the "zoom zoom" from cuz it sure as hell ain't from the miata or the 6 lol RX-7s are just something u don't play around with and the 4 rotor wasn't availible in the U.S. ? cuz it looks like its a right hand drive vehicle which prob. make it a Jap. Made vehicle thats prob. how he got his hands on it. not sure though ::hmmm....::
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Old 03-17-2004, 10:02 AM
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Re: 4 Rotor.

Damn that did sound a lot like a indy car.
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Old 03-17-2004, 12:27 PM
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Well, SICKGTP6, there was a three row rotary in the Cosmo sport coupe, in Japan. A car that's basically the Japanese equivalent of a thunderbird. Four rows, on the other hand, were not used in road going car, but instead used in Mazda's successful Group C/GTP sports racer program in the 80's.

I doubt these engines were ever made publicly available.
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Old 08-05-2004, 01:51 PM
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Mazda Rx7's came stock with very low torque 13B (2 Rotor) engines.

In Japan, they have a Consmo which was the only car with the 20B (3 Rotor) engine. The 3 Rotor is not street legal in Japan except for in the Consmo. But the engine fits nicely into the Rx7's

With an installed 20B.
A friend of mine was at around 400 HP, 400 Tq.
That was with his normal turbo setup.
He recently upgraded to a T-66 and at full boost he has around 600 hp.
He hasnt dyno'd it yet so we dont know his tq yet.

With a 4 Rotor. You dont need the turbos.
The 787B has 700 hp and around 500 ft lbs tq.
Thats without any forced induction.

No company produces the 4 rotor. Every one u see is custom.
The 3 rotor was only produced for the Cosmo.
And there is no crank shaft, its all Eccentric.
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Old 08-05-2004, 06:06 PM
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Re: 4 Rotor.

How did the driver manage to keep that monster in a straight line?
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