We mess around with a lot of things back a long time ago to slow down a 10.60 car the run S/ST(10.90 index) we ended up getting the largest ET reduction by over revving the motor from 6400 RPM to 7000 RPM shifts in 1st and 2nd gear
![scope scope](/ubbthreads/images/graemlins/custom/scope.gif)
We tried taking timing out down to 28 degrees in two degree increments, we tried short shifting at 6000. 5500, and 5000 RPM and even shifting directly from 1st to 3rd
![shruggy shruggy](/ubbthreads/images/graemlins/custom/shruggy.gif)
We didn't add weight though, didn't have anywhere legal to store it
![shruggy shruggy](/ubbthreads/images/graemlins/custom/shruggy.gif)
Lots of ways to slow them cars down
![up up](/ubbthreads/images/graemlins/custom/thumbs_up.gif)
Find out what you like and which works best for you
![up up](/ubbthreads/images/graemlins/custom/thumbs_up.gif)