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My first Dyno results

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Old Jan 16, 2012 | 07:14 PM
  #31  
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Thanks for the info...although I'm very sure my truck will never do 128 mph except on some dyno rollers. I was trying to determine if the 20 ft lb increase happened at a usable rpm.
Generic tunes are always a hit and miss....
 
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Old Jan 17, 2012 | 01:03 AM
  #32  
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Originally Posted by beeker
and I'm watching to see how Wh1t3's cam install turns out.




oh and nice find there merc225!! Wonder where I'll end up....
 
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Old Jan 27, 2012 | 11:47 PM
  #33  
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Update 1/27/2012
I ran the SCT 93 tune on the dyno today. See my OP on page 1 for the results!
 
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Old Jan 28, 2012 | 10:19 AM
  #34  
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87 octane, factory tune:
Horsepower: 193.61
Torque: 248.25

87 octane, SCT tune:
Horsepower: 197.68
Torque: 272.04

93 Octane, SCT Tune:
Horsepower: 201.13
Torque: 265.46

A bit more power, and less torque???? Really? AM I reading that wrong??
 
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Old Jan 28, 2012 | 12:44 PM
  #35  
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Originally Posted by Wh1t3NuKle
You like it lmao
 
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Old Jan 28, 2012 | 01:37 PM
  #36  
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Originally Posted by HeyYou
87 octane, factory tune:
Horsepower: 193.61
Torque: 248.25

87 octane, SCT tune:
Horsepower: 197.68
Torque: 272.04

93 Octane, SCT Tune:
Horsepower: 201.13
Torque: 265.46

A bit more power, and less torque???? Really? AM I reading that wrong??
You got it right. And running too rich at WOT. Gonna put a vacuum guage on it and see if it reads 0 at WOT. You don't think the AIT in the air cleaner would cause it to run too rich?
 
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Old Jan 28, 2012 | 01:42 PM
  #37  
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I suspect it simply ignores the IAT when in Open Loop. (as it would be at WOT) Might have hemifever reduce fuel a bit?
 
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Old Jan 29, 2012 | 10:58 AM
  #38  
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That's crazy sometimes the 91 tune feels stronger than the 93. I really need to get better gears to benifit from my Tuner and mods .
 
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Old Jan 29, 2012 | 10:05 PM
  #39  
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Originally Posted by HeyYou
A bit more power, and less torque???? Really? AM I reading that wrong??
That last pull may have been started at a higher RPM than the previous pulls although it's hard to tell as they first pulls were in MPH The last pull started at 3300RPM and the peak torque for the stock cam is closer to 3200.

And Sean is known to tune rich, beat him until he leans that sucker out
 
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Old Jan 30, 2012 | 12:05 AM
  #40  
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Originally Posted by Hahns5.2
That last pull may have been started at a higher RPM than the previous pulls although it's hard to tell as they first pulls were in MPH The last pull started at 3300RPM and the peak torque for the stock cam is closer to 3200.

And Sean is known to tune rich, beat him until he leans that sucker out
I started at 2000 RPM on the pull, don't know why the lower range got cut out.

Sean is workin with me, he wanted know if my vacuum was 0 at WOT some trucks are around 2, so I checked it today and it is 2, he said he only changed fuel at 0 vacuum not at 2. He'll get me another tune soon. He also wanted me to check for any restriction that would cause it to still pull vacuum, like dirty filter, what have you. Gauge read 2 at WOT with and without the air cleaner installed.
Speaking of restriction, something that's been bothering me since I installed my F1 intake, I learned, shortly after it was installed, that your not supposed to put sealant around the intake ports as it may bleed out into the intake causing a restriction, and the fuel reacts with it softening it up. My fears were confirmed today when I scoped the intake. Hard to say how much effect this has but I don't think I can expect any more performance gains till this is fixed. I may have to make time to fix this soon. Do you guys think this would have an effect on performance?

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Last edited by beeker; Jan 30, 2012 at 12:12 AM.
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