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Old 03-09-2002, 02:41 PM
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fastback340 fastback340 is offline
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Default more desktop dyno

how off is this thins. it says my combo is goo for 470 hp and 460 ft lbs switching to a hev5056 cam with 1.6 rollers is good for 545 and 472.
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Old 03-09-2002, 04:21 PM
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Ausydad Ausydad is offline
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I know what you mean about being off. I put the exact same numbers into mine and my buddys and get different results. I've run my combo through there and through a Dragstrip Plus program and came pretty close to one another. I think my Desktop is pretty close (within 20), which I like 'cause it says my next combo is good for 615/548. If you like, you can email me the numbers to run and I'll go through it here on both programs to see what I get. Don't forget to include auto/manual, tire size, etc., etc.
Ausydad@yahoo.com
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Old 03-09-2002, 07:36 PM
Jims451 Jims451 is offline
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I don't have the new DragStrip Simulator. I have the older version which dosen't work with the new files (I think?)

In Dyno 2000, I think if you have head flow numbers for your heads it will give a more realistic power number than just selecting the generic head types.

If your building a pump gas engine, neither program will tell you if the engine will run on pump gas.
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Old 03-09-2002, 09:16 PM
dewme5 dewme5 is offline
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dyno 2000 also isn't goign to account for what sort of gas you are running. it just has "gasoline, no detonation" or something like that. so, it's not exactly realistic in that matter, because it doesn't take timing into effect like it should. With around 115octane gas, I'm sure I could get the 718hp that it says I can out of my setup (with the turbos), but with all the timing retard that i have to do, I'm only making in the 450 range at the crank.
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Old 03-09-2002, 09:41 PM
sanborn sanborn is offline
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I have never worked with a desktop dyno. What type of info does it require? I have always used "rules of thumb" based on cylinder head flow @ maximum cam lift.

Thanks in advance.
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Old 03-09-2002, 09:55 PM
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With "Desktop Dyno" you enter your basic block, stroke, bore, # of cylinders, head flow, valve size, airflow, cfms, intake, vaccuum, header or exhaust size, cam specs. You can see the curve in a graph or read specific ranges on a table. Like I said, email me your specs, and I'll run your setup for you and see what comes out.
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