Originally Posted by josh.irvine.6
I'm in the process of doing a build and I've got the Haltech unit in my car and will be using the Haltech manual boos controller.
My question, is there a way to have two different boost levels without needing to use a laptop to load another map? Or even 3 levels? Can I use some type of toggle switch in the cabin and switch it to a different level from there?
put a 5 or 10 psi spring in your waste gate and run an off/off switch to your boost solenoid.
Switched off it runs the spring rate in the waste gate.... switch on it runs what ever your controller is tuned for above the waste gate spring rate