i have read until my eyes hurt and taken notes on it all this winter my 95 silverado is getting a lq9 . my 4l60e has been heavily modified to handle extra power as has most of the drivetrain gears axles locker ... i am going with nelson performance to handle the wiring and dirty dingo for the mounts stock radiator should handle cooling.. all the threads have been very helpful but some info conflicts other info who can help me the most? i have questions whats needed to run current 4l60e? stock exhaust manifolds off ??? or buy custom headers? smog is not an issue where i live so i can delete egr and have custom tune to best use what i have,,, where should i go for that? i want to leave engine internally stock but externally is open game.. a complete list of needed mods would be a dream cuz looking at so much info and trying to pick and choose whats best for my application gets to be a little stressful thanks in advance for helping the new guy to your page..