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Anyone here have engine modeling software?

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Old Sep 8, 2006 | 10:11 PM
  #1  
V8Rumble's Avatar
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From: 39.84N 105.11W
Car: '89 Trans Am GTA
Engine: WAS 350 - now L92 (alum. 378/6.2L)
Transmission: WAS 700R4, now a built T56
Axle/Gears: 3.27 9-bolt
Anyone here have engine modeling software?

Wasn't quite sure where to put this, I figured that this was kind of a generic question, so maybe it fits in this forum...

I'd just like to find out if anyone here has engine simulation software that they'd be willing to use to help me work out the last little details of my combination. I already have a "pretty good, but still somewhat rough" idea of the cam I'm expecting to use, but would really like to have something more than a "gut feeling" of how it'll behave before laying down the cash...

I already have the heads & intake I'll be using, so that's a known quantity. It would be great if someone had the DynoSim software, but even something more basic would be helpful. If you've got something like that, & wouldn't mind working with me a bit, I'd sure appreciate hearing from you...

Thanks guys.

Last edited by V8Rumble; Sep 9, 2006 at 09:05 AM.
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Old Sep 9, 2006 | 10:02 AM
  #2  
taonindo's Avatar
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Car: 82 firebird
Engine: 406
i have dyno sim 2000 at home but if you post your info ill see what i can do....tao
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Old Sep 9, 2006 | 07:53 PM
  #3  
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
The simulation software is only as good as the data inputed. Knowing things like head flow numbers greatly increases the accuracy of the output.

The best thing about simulation software is playing "what if". What if I changed to this cam, how much better would it be. What if I changed from a 600 cfm carb to an 850 etc.

Things simulation software can't predict is stuff like ignition timing, jetting, spark plug gaps etc. Those little variables can make a big impact on the final results. The simulation software is assuming all those small variables are perfect. If you build an engine recommended by software, a dyno tune should be very close to the predicted results.
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Old Sep 11, 2006 | 09:52 AM
  #4  
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Car: 82 firebird
Engine: 406
i agree 100%...but it can help determine if a change (like a higher ratio rocker)will help or not....and it is fun to play with.....tao
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Old Sep 13, 2006 | 08:50 PM
  #5  
V8Rumble's Avatar
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From: 39.84N 105.11W
Car: '89 Trans Am GTA
Engine: WAS 350 - now L92 (alum. 378/6.2L)
Transmission: WAS 700R4, now a built T56
Axle/Gears: 3.27 9-bolt
Yeah, I work w/ computers all day, so I know that the better the data, the better the results. My heads are AFR 195s, so I've got that data, I have a pretty good idea of all of the specs I'll want for my cam, I'm just hoping to throw a couple of variables in there to see if they make any difference, & if so, how much.

Tao, I truly appreciate this, I'll send you a PM in a couple minutes...
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