Lbz 2nd gear start trans tune

whitegmc06

Member
May 19, 2025
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18
Indiana
I am going to try to put a second or a third gear start on my truck I use for truck pulling it has an s472 100% over injectors with a ss pump cp3 and a fass 165 what gear do you think would help the best? Thank you?
 

TheBac

Why do I keep doing this?
Staff member
Apr 19, 2008
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Mid Michigan
I was also reading thru other threads in the tuning section that some trans tune operating systems dont take to 2nd gear start changes. You'll have to experiment with yours and report back.