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Theoretical Engine Combination

  #16  
Old 03-16-2004, 03:35 PM
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No, I'm not. Not my choice, it's the EM spec fuel. When I'm done with that, it will see a healthy diet of 114 octane Turbo Blue.

For comparisons sake, Kaase's combo ran 13.4:1 compression, and several people ran 12.5+:1. I like to push the envelope.
 

Last edited by There Goes The Neighborhood; 03-16-2004 at 03:38 PM.
  #17  
Old 03-16-2004, 05:18 PM
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If you can run 15:1 with 92 octane your a god. I think your wishfull thinking.

Lets try this. EX-514 heads, 4.3 stroke, .030 over 460 2 bolt block (D1VE), EX-514 intake, Prosystems Dominator 1400cfm, 14:1 comp, 275/285 @ .050 with a 114 lobe sep and 114 int cl, 0.820" lift, thats a solid roller with very aggressive ramps. Run it with stepped 2.25" to 2.50" headers and a 8" collector. Run race bullit mufflers or open exhaust with 4" diam collector and exh pipe. This should be 850 hp.
 
  #18  
Old 03-16-2004, 09:53 PM
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I appreciate the input, but the rules(darn things) state no roller cams, and "street based" mufflers. According to EM, Bullets aren't, thats why I chose the Hooker's. Once the combo is in the truck, it will have the said step headers, in a fenderwell exit application. More than likely it will have the Dynatech Merge Collectors, with the mufflers also by Dynatech. All that I'm looking for is something with a nice TQ/HP curve.
 
  #19  
Old 03-16-2004, 11:12 PM
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fordtrkpuller

Check out the EM website for the rules, and you'll understand why I have to stay in these perameters.

www.enginemasters.com
 
  #20  
Old 03-16-2004, 11:13 PM
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brandon....you are full of ****........you are only dreaming hahahaha.........wait?.....this isnt 4wd....oh man...i feel out of place......

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  #21  
Old 03-16-2004, 11:18 PM
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Idiomaticman, your just jealous that the rod bolts in this engine will have more TQ than your 6.
 
  #22  
Old 03-17-2004, 09:55 PM
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bump
 
  #23  
Old 03-17-2004, 10:41 PM
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Is this thread for real????
 
  #24  
Old 03-17-2004, 10:50 PM
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Actually, it is for real.
 
  #25  
Old 03-17-2004, 11:05 PM
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Well, first off trying to run that kind of compression on that gas is not practical. You won't be able to do it, even under a controlled dyno tuning session. Not and actually make any power at least. Also, the goal of that challenge is to have the highest average hp + average torque. Going with that short of a stroke will make you lose a ton of torque. Your total area under the curve won't be very good. I know what Smokey Yanuck said about long rods and to some degree that is true, but he was talking about making high hp and turning a bunch of R's and having an engine that could make it 500 miles under those conditions with 1960's technology. You don't want any of those things with this engine. Try to maintain an average stroke, an average bore combined with a moderate rod/stroke ratio and you'll be much better off.
 
  #26  
Old 03-17-2004, 11:16 PM
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Number 1, I'm waiting to get the desktop dyno run that greenhighboy ran for me. I know it seems impractical, but it's not my fault that the rules dictate it. An uncommon stroke? Last I checked, a 429 had that stroke, as did a 370, and nobody ever complained about a lack of TQ, even at low rpm. I just want to see what can happen with a cheap build( a couple things have changed), against all the big name guys. I'm willing to make concessions, but at my choice,and not anybody else's. I'm one of those guys who believes in the saying, "Opinions are like.......", well, you know the rest.
 
  #27  
Old 03-17-2004, 11:22 PM
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I'm not saying that running 87 octane is impractical. I realize that it is in the rules. I'm saying that thinking that you will be able to run 15:1 compression on only 87 octaine is showing that you are a little misguided.
 
  #28  
Old 03-17-2004, 11:31 PM
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I never said anything about 87 octane, the spec fuel is 92 octane. After the challenge, it will see nothing but 114 octane Racing Gasoline. I am not misguided, and realize I will have to back the timing down below 30 degrees in able to get it to run w/ no pinging. Friction and heat coatings are nothing but your friend in this competition. Laugh if you want, Everyone pushes the envelope, and I want to join the fray.
 
  #29  
Old 03-18-2004, 12:33 PM
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I'm a bit confused...you realize they already ran the EM challenge right?
 
  #30  
Old 03-18-2004, 12:58 PM
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Another good point. It is done and John Kaase won with a Ford. There was a very strong Ford contention in the finals, especially considering only 5 Ford teams entered. They'll have to figure out something to make sure that doesn't happen again.
 

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