Dynos.

[rallytaff]

Thinking about having mine tested again. Saw my car showing 197whp and 271torque on a Mustang dyno. Anyone know what a close number would be in a Dynojet? Just curious.

 

[dhminer]

Likely ~10% more on a dynojet

 

[slopoke]

They don't call the Mustang dynos "Heartbreakers" for nothing.

 

[WannabeST]

I've also heard roughly 10% difference between dynojet to mustang dyno.
You should note that while the mustang dyno does read lower, (If I'm not mistaken on the following) it reads more accurately than a dynojet due to mustang dynos simulating load better.

 

[Alkoran]

Comparing dynos is completly irrelevant. You should only compare runs made on the exact same dyno with the exact same dyno configuration and run time. Here's why:

View: https://www.youtube.com/watch?v=QapIeFYj_8A