Quote:
Originally Posted by RG-RA
well my 91 tune is running good and i pulled a 12.8 @104 but when i switch to the 100 octane tune which is easily more noticable while driving on the street, but when running the car on the drag strip it gives a hard clunk switching from 1/2 or acts like it doesnt want to change gears at all. however even with a horible start and missing a gear the car still manages a 13.2 but its at 106mph which is where i can tell there is more power. i only ran the car on the 100 octane tune twice for fear of damaging the trans. so i dont have any information past this
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Yup when you start making real power you need to run less boost in 1st and sometimes 2nd (depending on power).
Don't worry, the less boost will actually make the car faster because it will actually shift.
Gear-based boost is your friend.