2 dynojets 2 different hp numbers

[Mustanggtvert32907]

I’m not a dyno expert at all. I had my car dynod one place it read 697 with eb stage 2 and headers 1050x injectors. Anything dynojet read 600 what would cause such a difference in dyno number? Only difference is on last pull I had cf drive shaft built a10 upgrade steels and street radials

thanks for any feedback

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[Jmtoast]

I’m not a dyno expert at all. I had my car dynod one place it read 697 with eb stage 2 and headers 1050x injectors. Anything dynojet read 600 what would cause such a difference in dyno number? Only difference is on last pull I had cf drive shaft built a10 upgrade steels and street radials

thanks for any feedback

Do you have the stock EB tune? Is it an A10? If it's like the Roush cal it hits the speed limiter in 7th on the A10's which usually means a 590-600rwhp while manual guys are in the mid 6's. Also not pulling the plug can have an affect. Some shops know to pull it and some don't.

 

[Slopoke]

Was the dyno run, uncorrected or corrected? If it's uncorrected, it's the power the car was making under temp, humidity, barometric pressure at the time of the run. A corrected graph is one that adjusts the H.P for a standard conditions. It makes a difference.

 

[Mustanggtvert32907]

don’t know if it is sae or not guessing probably not. My I’m looking at going down to a 3.0 pulley as well tuner said have plenty of room to go to the 3.0 or 2.9

 

[Slopoke]

Usually in the upper R/H corner of the dynograph, it will state corrected with smoothing, etc. The example below is a dynograph of my Fiesta ST when I was getting it tuned.

 

[Mustanggtvert32907]

My first graph shows sae 5 smoothing I don’t have second graph yet

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