Dyno Guesses
05-28-2013, 10:59 AM
#1
1st Gear Member
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Join Date: Oct 2012
Location: CO
Posts: 89
Dyno Guesses
I have a dyno day scheduled in a couple weeks. I am wondering if there were any intelligent guesses to what number I will put down. There won't be any tuning, so it will be to find out what I am getting.
The runs will be done in Colorado Springs, CO. Altitude off hand is about 6000ft I believe, could be wrong, and temp should be 80's and on up.
Mods:
Hypertech tune, steeda underdrive pulleys, cold air, throttle body, upper plenum, typhoon intake, bbk shorties
All else is stock as far as power is concerned, I have 3.73 gears, but I don't know if they will increase or decrease losses. So 260hp, 305 lb-ft, at the crank stock, I figured add 25 for the mods then a fudge factor for elevation and temp, figured 15% losses. I think 220-230hp, 270-275lb-ft at the wheels.
A million internet dollars and a cold beer to whoever is closest. Any other thoughts?
The runs will be done in Colorado Springs, CO. Altitude off hand is about 6000ft I believe, could be wrong, and temp should be 80's and on up.
Mods:
Hypertech tune, steeda underdrive pulleys, cold air, throttle body, upper plenum, typhoon intake, bbk shorties
All else is stock as far as power is concerned, I have 3.73 gears, but I don't know if they will increase or decrease losses. So 260hp, 305 lb-ft, at the crank stock, I figured add 25 for the mods then a fudge factor for elevation and temp, figured 15% losses. I think 220-230hp, 270-275lb-ft at the wheels.
A million internet dollars and a cold beer to whoever is closest. Any other thoughts?
Last edited by needmorespeed; 05-28-2013 at 11:02 AM.
05-28-2013, 12:00 PM
#3
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Join Date: Feb 2013
Location: USA
Posts: 545
You won't be making an SAE corrected dyno pull? No correction for altitude and temperature? 205 HP at the rear wheels for a 5 speed.
How much are you fudging for altitude? It should be 18% at 6,000 ft. before knocking off anything for high temperatures. Then subtract powertrain losses.
How much are you fudging for altitude? It should be 18% at 6,000 ft. before knocking off anything for high temperatures. Then subtract powertrain losses.
Last edited by Sonic Mustang; 05-28-2013 at 12:35 PM.
05-28-2013, 12:50 PM
#4
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Join Date: Oct 2012
Location: CO
Posts: 89
You won't be making an SAE corrected dyno pull? No correction for altitude and temperature? 205 HP at the rear wheels for a 5 speed.
How much are you fudging for altitude? It should be 18% at 6,000 ft. before knocking off anything for high temperatures. Then subtract powertrain losses.
How much are you fudging for altitude? It should be 18% at 6,000 ft. before knocking off anything for high temperatures. Then subtract powertrain losses.
I am more interested in the actual numbers than corrected though. Corrected doesn't mean a whole lot when you are making some runs at Bandimere. Corrected numbers have a use and are a good baseline but I want to know what I get on a daily basis.
I will be sad though if I only pull 205, time for a turbo if that is the case.
05-28-2013, 12:59 PM
#5
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Join Date: Feb 2013
Location: USA
Posts: 545
Honestly I don't know if it will be SAE corrected. I didn't arrange to session. I will make some basic assumptions and assume that the numbers will be SAE corrected, since the shop reportedly does good work. I've never been there. Altitude correction was a swag guess, not based on anything real.
I am more interested in the actual numbers than corrected though. Corrected doesn't mean a whole lot when you are making some runs at Bandimere. Corrected numbers have a use and are a good baseline but I want to know what I get on a daily basis.
I will be sad though if I only pull 205, time for a turbo if that is the case.
I am more interested in the actual numbers than corrected though. Corrected doesn't mean a whole lot when you are making some runs at Bandimere. Corrected numbers have a use and are a good baseline but I want to know what I get on a daily basis.
I will be sad though if I only pull 205, time for a turbo if that is the case.
Last edited by Sonic Mustang; 05-28-2013 at 01:01 PM.
05-28-2013, 09:33 PM
#8
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Join Date: Feb 2013
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Posts: 545
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