Alternative Fuels Discussion and Tech on using alternatives such as E85 or Hydrogen or other fuels and/or supplements to Gasoline in Rotary Engines

471rwhp/300rwtq at 13psi on E85!!!!!!

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Old Dec 20, 2007 | 11:36 PM
  #26  
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Originally Posted by btleier
I find this interesting.... cause I did 424whp @ 18psi on e85, stock motor at a t67. and I wasn't faxed out on 2 850s and 2 1600s. what is the rest of the fuel system look like on the car?
I guess you don't know the history of the car.
This might help--->
http://videos.streetfire.net/video/e...d9f1570433.htm

Last edited by crispeed; Dec 20, 2007 at 11:42 PM.
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Old Dec 21, 2007 | 08:30 AM
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Awesome crispeed.

I'll have your 1,001 questions later
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Old Dec 21, 2007 | 12:07 PM
  #28  
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It's also a bridgeport so the curve and the HP/torque figures will ber different than conventional stock/street port setups.

Nice stuff, Chris. Of course E85 works; I don't see why people would say it doesn't.

B
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Old Dec 21, 2007 | 12:25 PM
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Very impressive for only 13 psi. I've tempted to switch to E85. I've got 6 stations within 10 miles that carry it, and 45 within 100 miles.

I'm curious what the comfortable boost limit is for rotaries?
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Old Dec 21, 2007 | 12:42 PM
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Originally Posted by zinx
Very impressive for only 13 psi. I've tempted to switch to E85. I've got 6 stations within 10 miles that carry it, and 45 within 100 miles.
... OMG, and with 6 1600 cc injectors you'll need as many stations nearby as possible. I'll bet the gas gauge drops pretty quickly in that sucka on full boost. Not to mention the cloud of unburnt hydrocarbons with the bridgeport, but boy, I bet it sure is FUN. Probably looks like the Concorde on takeoff
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Old Dec 21, 2007 | 01:13 PM
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Originally Posted by zinx
Very impressive for only 13 psi. I've tempted to switch to E85. I've got 6 stations within 10 miles that carry it, and 45 within 100 miles.

I'm curious what the comfortable boost limit is for rotaries?
Magic question, Zinx.

B
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Old Dec 21, 2007 | 01:16 PM
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What were the EGT's like during the low boost runs vs. non-corn fuel?
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Old Dec 21, 2007 | 03:58 PM
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What are you running for pre-mix?
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Old Dec 21, 2007 | 04:25 PM
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Originally Posted by crispeed
Thanks Allen.
I'm still waiting to play 1000 questions!

I figured i only had one shot so i was going to make it real gooooood.
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Old Dec 21, 2007 | 06:13 PM
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471rwhp/300rwtq at 13psi on E85!!!!!!

torque = 5252xhorsepower / rpm
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Old Dec 21, 2007 | 07:51 PM
  #36  
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great numbers!!!!! now when can i drop my car off to make it a V8 kila ?????
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Old Dec 21, 2007 | 11:13 PM
  #37  
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that's impressive
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Old Dec 22, 2007 | 12:37 AM
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i need an update and new vid!!!
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Old Dec 22, 2007 | 04:10 AM
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Originally Posted by BDC
It's also a bridgeport so the curve and the HP/torque figures will ber different than conventional stock/street port setups.

Nice stuff, Chris. Of course E85 works; I don't see why people would say it doesn't.

B
Thanks Brian!
Just for the record it's a secondary bridgeport.

Originally Posted by zinx
I'm curious what the comfortable boost limit is for rotaries?
From what I've been experiencing /noticing with piston motors ignition timing and knock wise I have a very very very good feeling it's going to be very high!
There 's notting a rotary motor loves more than fuel with great cooling effects.

Originally Posted by classicauto
What were the EGT's like during the low boost runs vs. non-corn fuel?
I have not optimise the ignition timing or the AFR's as yet but so far it's a little cooler as to be expected for the type of fuel involved.

Originally Posted by fritts
What are you running for pre-mix?
Vp Racing RC-3 castor oil or Klotz BeNol depending on availability

Last edited by crispeed; Dec 22, 2007 at 04:24 AM.
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Old Dec 22, 2007 | 05:20 AM
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Congrats!

Will be interesting to see what happens at ~40 psi
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Old Dec 22, 2007 | 05:35 AM
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Originally Posted by frode
Congrats!

Will be interesting to see what happens at ~40 psi
On fuel from the pump cheaper than race fuel!
Only time will tell!
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Old Dec 22, 2007 | 05:53 AM
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Very impressive Cris.
I will be keeping a close eye on this thread. I just wish we had more E85 locations in NYC.
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Old Dec 22, 2007 | 02:58 PM
  #43  
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Very impressive. I'm looking at making the swap to E85. More power, less cost. Availablity is the only issue why it hasn't become more popular. I have to wait until I move to Grand Praire TX.. (you hear that BDC). There are no stations in Mississippi or Alabama. How would emissions be affected for those of us who wouldn't be able to pass on pump gas. We should be better off right?
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Old Dec 22, 2007 | 08:42 PM
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Originally Posted by fastrotaries
Very impressive. I'm looking at making the swap to E85. More power, less cost. Availablity is the only issue why it hasn't become more popular. I have to wait until I move to Grand Praire TX.. (you hear that BDC). There are no stations in Mississippi or Alabama. How would emissions be affected for those of us who wouldn't be able to pass on pump gas. We should be better off right?
ive done a little looking into the emissions thing, and havent found any real hard numbers. seems like nox and co2 drop. thing is they usually dont measure either of those...
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Old Dec 23, 2007 | 01:18 AM
  #45  
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Originally Posted by fastrotaries
Very impressive. I'm looking at making the swap to E85. More power, less cost. Availablity is the only issue why it hasn't become more popular. I have to wait until I move to Grand Praire TX.. (you hear that BDC). There are no stations in Mississippi or Alabama. How would emissions be affected for those of us who wouldn't be able to pass on pump gas. We should be better off right?
:O You're moving here? Whereabouts? What part of town? Got a street name?

B
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Old Dec 23, 2007 | 09:22 AM
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Originally Posted by crispeed
From what I've been experiencing /noticing with piston motors ignition timing and knock wise I have a very very very good feeling it's going to be very high!
There 's notting a rotary motor loves more than fuel with great cooling effects.
I've heard of some piston guys running quite a bit of boost on it. I've personally seen a dsm running 35+ off it.

I think if we are able to run 30 psi off it safely, that would make me seriously think about beefing up my fuel system to handle it. Even if its just 26-28psi, i'd still do it. I could ditch my meth injection too.
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Old Dec 23, 2007 | 09:26 AM
  #47  
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Originally Posted by zinx
I've heard of some piston guys running quite a bit of boost on it. I've personally seen a dsm running 35+ off it.

I think if we are able to run 30 psi off it safely, that would make me seriously think about beefing up my fuel system to handle it. Even if its just 26-28psi, i'd still do it. I could ditch my meth injection too.
Don't ditch it. Both of them together can work wonders.
I know of 4cyl's making over 1000rwhp at 50psi runnig on E-85 and a little methanol injection.
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Old Dec 23, 2007 | 09:44 AM
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Originally Posted by crispeed
Don't ditch it. Both of them together can work wonders.
I know of 4cyl's making over 1000rwhp at 50psi runnig on E-85 and a little methanol injection.

Good point, it would be a pretty limitless combination.

Do you think it will take a stronger ignition system to ignite it for the same boost level?
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Old Dec 23, 2007 | 11:12 AM
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does it have any effects on AFR ? do I have to add more fuel?
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Old Dec 23, 2007 | 11:18 AM
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Originally Posted by 93rotorhead
does it have any effects on AFR ? do I have to add more fuel?
Stoich for E85 is around 9.7, where gas is 14.7. However, your gauge probably reads in lambda and then outputs on a gas scale, so you can use the same afrs. So if you are running E85 and your gauge reads 14.7, it is really 9.7:1. (Experts, correct me if i'm wrong here) More about this: http://en.wikipedia.org/wiki/Stoichiometry

heh, yeah, in the region of 30% more fuel for the same power output.
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