Board index i2/i3 Technical discussion i2/i3 for GM vehicles 91 Tune.

91 Tune.

Post here with any questions regarding the use of the i2 on supported Chevrolet, GMC, Cadillac, Buick, and Pontiac applications.

Moderator: sohfast94

Post Wed Apr 15, 2020 9:48 pm

Posts: 28
Can someone tell me if the 91 tune automatically increases tranny shifts to firm? And also what hp can I expect on my 02 Camaro Ss Ls1 auto from this 91 tune. 8)

Post Thu Apr 16, 2020 9:15 am

Posts: 56616
Location: DiabloSport World Headquarters

Yes, on the LS1 F body cars the tunes firm up the shifts by default.
Mike Litsch
Powerteq Customer Service Manager
Diablo Tech support by phone:
M-F 8:00 AM to 5:00 PM EST

Post Thu Apr 16, 2020 1:18 pm

Posts: 28
Hi Mike, but what kind of hp? Can I expect on Ls1 car...from 91 tune......

Return to i2/i3 for GM vehicles