×

Sale ends todayGet 30% off any course (excluding packages)

Ends in --- --- ---

Changes to requested torque

Practical Reflash Tuning

Forum Posts

Courses

Blog

Tech Articles

Discussion and questions related to the course Practical Reflash Tuning

= Resolved threads

Author
779 Views

Perhaps I've missed it, but when we have modifications that are now causing the engine to produce a considerable amount of power over stock (~150 hp) are we to make changes to the requested torque values in the tables? If so, how would we go about doing that and making it consistent throughout all of the tables?

Please tell us a bit more about your application, ECU, so we can better assist.

Thanks for the reply

2012 Subaru legacy GT, factory ECU.

STI exhaust cams, 20g turbo @ 22psi, 1000cc injectors, 340 LPH fuel pump, cat-less down pipe and 3" exhaust running e85. Currently has a Cobb tune that runs great but am trying to apply the knowledge from this course to create my own drivable tune.

Gotcha thanks.

It's a bit confusing to see because the values in those tables sort of resemble torque, but that ECU is not actually torque based.

It does not calculate torque, or use it for limiting, so the tables referencing torque are more arbitrary than they appear.

No changes are required to requested torque or torque limits to increase torque, except in areas where the values result in throttle not being fully open. For example, if you need to raise the rev limit, then you'll need to make adjustments to avoid unwanted throttle closure at high RPM. Even if you aren't raising the rev limit, you'll want to very your settings can achieve full throttle at low and high RPM while at 100% accelerator pedal position.

You'll also want to adjust boost control tables to coincide with your requested torque values, so you get the boost you're wanting for a given requested torque value.

Changes to requested torque are otherwise generally made to alter the relationship between accelerator pedal position and throttle position, for drivability tuning.

We usually reply within 12hrs (often sooner)

Need Help?

Need help choosing a course?

Experiencing website difficulties?

Or need to contact us for any other reason?