Re: Ls 6.0 what trans recommendations?
It depends if you plan on remaining with the power level you're at, or you'll some day reach for another 100+ HP os so, and you plan to drag race it or not. If you plan on a greater power level some day, and you want a manual trans, do what I did with the 2005 LS2 6.0L equipped GTO that I had: A TR6060 trans. I slapped an underhood Magnuson roots supercharger on the engine and increased the power level by 140 HP on pump gas.
6 months later I blew the factory stock T56 manual trans while I was on the highway late at night, and getting into the go pedal hard. So I stepped it up by dropping some big coin on the aftermarket TR6060 trans and it took all the beatings I put on it and just kept asking for more. I'd also stay away from the aftermarket expensive dual disc clutches if I were you. many of them make noise and/or don't engage very smoothly despite what all the advertising about them says. Stay with a single disc clutch. I wish I went with my original idea to try a Centerforce brand dual friction clutch, (NOT a dual disc clutch). And DEFINITELY stay away from ceramic disc clutches because many of them are not street friendly in their operation. They either make noise, or chatter when they engage, or both.
Some guys who have ceramic disc clutches actually talk about how they have to do a burnout whenever they take their car out for a street drive in order to heat up the clutch disc just so it won't chatter every time it engages. Very ridiculous. And yet, vendors like Monster will tell you that their ceramic clutches are the best thing since sliced bread. Buyer beware
70 Chevelle SS clone (632 CI powered).