Single Turbo RX-7's Questions about all aspects of single turbo setups.

Possible for 500hp on pump?

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Old Jun 2, 2007 | 03:41 PM
  #51  
crispeed's Avatar
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From: Miami,Fl,USA
If only we had the turbos of today readily available to us back in the day. Back pressure was always my enemy back then.
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Old Jun 2, 2007 | 09:01 PM
  #52  
RICE RACING's Avatar
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From: lebanon
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Originally Posted by crispeed
Yeh!
Especially since it were you aussies that were the first ones I saw way back in the last century that were running high boost without intercoolers with a little water/methanol mix.
Back then you were still runnning around in dipers weren't you Peter?

The amount of grey hairs i have now mean that i would have been in my 20's back then and this means i would have had some type of sicko fetish like is featured on the jerry springer show

my only *illness* back then was to be running around in my peripheral port 13B street car which i suppose is just as bad as wearing dypers as an adult
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Old Jun 2, 2007 | 10:23 PM
  #53  
cewrx7r1's Avatar
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From: In A Disfunctional World
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I love your guys (Rice Racing & crispeed) as you always keep me laughing and learning at the same time. That's how to do it!

We need to get ESPN2, SPIKE TV, or Discovery Channel to have a show with both of you competing. They give you the RX7s and parts with rules for fuel and any AI, and have you two go at it for the CROWN!
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Old Jun 2, 2007 | 10:26 PM
  #54  
hondahater's Avatar
spending too much money..
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From: louisiana
just watch any aussie vs. puerto rican drag racing competition. One day Americans won't be so big into thier v8's and will start seeing the light. Just look at ken scheepers.
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Old Jun 4, 2007 | 04:48 PM
  #55  
Barry Bordes's Avatar
"Elusive, not deceptive!”
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From: Slidell, LA
Thumbs up Thanks for the Glimpse

This is so refreshing. Congratulations on the camaraderie for a change. If the rotary community could commingle their knowledge instead of the normal ego battles it would be great.
Imagine the best of the best sharing ideas, improving our great little rotary against the evil 4-stroke world.
Thanks for the Glimpse,
Barry
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Old Jun 5, 2007 | 05:50 PM
  #56  
AImec Racing's Avatar
so ...no time for this
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From: Puerto Rico
Originally Posted by crispeed
Same here too!

Too bad some need more than 20psi and higher than 93 octane to make 500rwhp.

... yeah too bad! ... no WI/AI and a lot of 91's with "who knows what's the ****" as pump owners become wealthier blending with water... but I don't know if is the test environmental conditions or dyno brand issues (haven't do any search on that)... but we do need more than 20 psi most of the time...
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Old Jun 10, 2007 | 11:58 PM
  #57  
Boostmaniac's Avatar
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From: Louisville, Ky
Originally Posted by RICE RACING
p.s. spraying water is no different to running a charge cooler, or another device to increase performance... to class a FUEL it needs to have an energy content value, and last time i looked water had ZERO

2 words, steam engine.

I just had to and yes, i know that was a bullshit comparison.

But otherwise you are completely right. Correct me if I am wrong but the alcohol that is injected into the intake is mostly evaporated by the time it reaches the motor, thus reducing the amount of calories (heat for short) through the evaporation and reducing the charge temp.

Or are you just injecting alcohol in one long continous stream? If you are doing that, you might as well just run the car on pure alcohol anyways.

But if Alcohol injection is used as intended, it's energy component is actually used in reverse so claiming it's addition into the flamefront is where the increase in expansion energy is coming from is not only completely false, but idiotic and trying to construe otherwise will misinform a bunch of readers into blowing their motors to pieces.

Bottom line, the method of injection, whatever it is, reduces the charge temp which moves the detonation threshold the correct way, and allows for denser charge air to allow someone to tune more power from the motor, safer than without.

If nothing more, it can act completely as rebuild insurance.

Whichever floats your boat.

-Maniac
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Old Jun 11, 2007 | 05:29 AM
  #58  
RICE RACING's Avatar
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From: lebanon
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Methanol is not such a great fuel full stop, people loose sight of the fact that its lower in energy content but most criticaly it has a lower knock threshold than racing gasoline, its only virtue is that SO MUCH OF IT IS REQUIRED that this aspect alone reduces temperatures.

No different to how we keep air cooled 2 stroke meth racing engines alive at low speed or hot weather, their engine temperature and detonation threshold is directly attributed to how rich the methanol mixture is set in them

Water and steam is where its at
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Old Jan 27, 2008 | 09:06 AM
  #59  
WARTHOG's Avatar
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From: Near Silverstone F1 Race TRack UK
Anybody got the New Aquamist Water Injection Kit Fitted....If so your views...
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