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Discussion Starter · #1 ·
I got my car dyno today and the numbers seem a little low. Tell me what you guys think.

Car: 07 SRT8 Charger
location: Riverview, FL
Dyno: Dynojet
Mods: None
Miles: 15,324
temp: 82.5
Humidity: 78%
Gear: 3rd

Max Power = 344.02
Max Torque = 347.01

I would post my dyno pic but i need some more posts first. :cry:
 

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Are your numbers SAE corrected? It should say so on your sheet.
 

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A bit low, but they didn't use the SAE correction factor, and you had really high humidity. Given the conditions, I'd say about normal.

I dynoed 366HP stock, but the temp was about 72 and the humidity was like 20%.
 

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The correcting factor that was used is the STD method. The SAE method would be very close to the same I believe...Are you sure the Dyno operator had the car in 4th gear Autostick and not in 3rd. Our cars produce much better power in 4th gear and this is how it should be done IMO.
 

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Does anyone know what gear is 1:1? that is the gear it should be in. I would think that it would be 4th gear in a 5 speed auto. I'm not sure of the ratios in our trannys.

gary
 

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So far, my best on a dynojet is:

371 HP
372 ft lbs torque

4350 Miles

ACES IV in 89 octane fuel
and QuantumBlue 12.5w40 oil.

Stock otherwise.

85 degrees ambient
78% humidity

3rd gear run

Fuel ratio
1st run
starting: Idle 14.97
3000 rpm 12.8
4000 rpm 12.4
5000 rpm 11.8
6000 rpm 12.2
370.68 HP 371.67 Tq

I figured you wanted something else to compare it to.

B.
 
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