DESKTOP dyno users...............
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Postmaster
Joined: Jun 2001
Posts: 4,496
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DESKTOP DYNO users I need some hypothetical data
I am not certain how the desktop dyno works or what data you need so I will provide what I can. I would like you to run two scenarios if you have the time and interest.
First combo:
Heads
10.5:1 compression overall ( 62cc if you need head cc)
flow 166 intake/ 112 exhaust
stroke 3.25
bore 4.040
cam specs
intake lift .555
exhaust lift .565
duration @ .050
intake 224
exhaust 232
lobe seperation 112
Second combo:
heads
9.5:1 compression overall (62 cc for head cc if needed)
flow intake 219 exhaust 151
stroke 3.50
bore 4.030
cam
duration @ .050 intake 224/ exhaust 230
lift .509int/ .512 exh
lobe seperation 110
Any numers apreciated would like the hypothetical peak hp and tq and at what rpm, thank you for your time
First combo:
Heads
10.5:1 compression overall ( 62cc if you need head cc)
flow 166 intake/ 112 exhaust
stroke 3.25
bore 4.040
cam specs
intake lift .555
exhaust lift .565
duration @ .050
intake 224
exhaust 232
lobe seperation 112
Second combo:
heads
9.5:1 compression overall (62 cc for head cc if needed)
flow intake 219 exhaust 151
stroke 3.50
bore 4.030
cam
duration @ .050 intake 224/ exhaust 230
lift .509int/ .512 exh
lobe seperation 110
Any numers apreciated would like the hypothetical peak hp and tq and at what rpm, thank you for your time
Thread Starter
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Postmaster
Joined: Jun 2001
Posts: 4,496
Likes: 0
DESKTOP dyno users...............
if you have some time and energy to burn, could you figure up some numbers on the combos in this link? thanks
https://www.ford-trucks.com/forums/s...hreadid=166178
https://www.ford-trucks.com/forums/s...hreadid=166178
Post Fiend
Joined: Apr 2002
Posts: 5,964
Likes: 1
From: Woodruff, SC
I was hoping i could post pics but i'm not able to so let me know what info you want other than this. This is from Dyno 2000 and IMO theres not much difference in the two.
Senario #1
Peak HP is 350@5500RPM and peak torque is 380 FT LBS @4000 RPM.
Senario #2
Peak HP is 350@5500RPM and peak torque is 375 FT LBS @4000 RPM.
Senario #1
Peak HP is 350@5500RPM and peak torque is 380 FT LBS @4000 RPM.
Senario #2
Peak HP is 350@5500RPM and peak torque is 375 FT LBS @4000 RPM.
Thread Starter
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Postmaster
Joined: Jun 2001
Posts: 4,496
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And that is with the first one with a roller cam and the specs I listed for the cam and the second is with a hydraullic cam with the specs I listed? IF so then it was fairly accurate and makes me wonder. What i gave you was the first one was a roller extreme energy cam on a 333 (302 stroker) and the HP results you listed were right on compared to the actual dyno done in MM&ff the torque however you listed was 20lbft shorter and 200 rpm later but still fairly acurate. The second scenario was a 351 (.030--357ci) with a hydraullic flat tappet 268 extreme energy cam so it might not be a horrible truck engine setup then. I looked at the comp extreme energy line and they all seem to make about the same hp and tq weird huh so a milder cam might idle better and still be about the same. Does the desktop dyno take into account porting? How does that work? What cfm carb did you figure, I forgot to post that? I appreciate your going to the trouble of doing this, thanks
Post Fiend
Joined: Apr 2002
Posts: 5,964
Likes: 1
From: Woodruff, SC
It does give you the option of using ported ,pocket ported and non ported heads, It also asks about carb cfm i used a 750 for both however i can use a smaller cfm carb.
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Junior User
Joined: Aug 2003
Posts: 60
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if its not to much it there neway you could run one for me? i would extremely appreciate. i got a 351w 40 over so a 358. gt-40p heads with a solid mild cam. performer rpm intake and a 625 cfm carb. and again this would be greatly appreciated thank you
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Post Fiend
Joined: Feb 2001
Posts: 6,624
Likes: 8
From: Missouri
Print Screen and then paste it into paint shop pro. Then cut out the part that you want. I am going to get Dyno 2003. From what I can tell in the demo the program is much improved.. Not ready to dump the big money yet.