12-09-2017, 09:08 AM
|
|
CC Member
|
|
|
Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
|
|
Not Ranked
Use the 600.
I've sold countless numbers of the TKO 500/600 transmission and have never heard of even one 1st gear breaking.
They are a little stiff to shift until you get some miles on them, and can be problematic to speed shift above 6000 rpm.
|