forced induction/nitrous
As for superchargers and centrifugal superchargers, there not much there yet.
Nitrous can be fabbed up quite easily...you can use the NOS fogger kit. People are just afraid of spraying to hurt the relatively weak tranny in our cars. Many people have used 120 dry/60 wet kits to boost their performance, just make sure you get a window switch so you don't spray into the redline.
https://ls1tech.com/forums/showthrea...ighlight=turbo
There are quite a few nitrous too...try a search.
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https://ls1tech.com/forums/showthrea...ighlight=turbo
There are quite a few nitrous too...try a search.

The Best V8 Stories One Small Block at Time

http://www.clubgp.com/newforum/tm.as...heck=902951025
Its probably gone in the dusty corners of the forum, since those guys can chit chat and fill a server like a bunch of teenage girls on AIM
. From Club GP. I browse that forum and found **** compared to this forum.
If you have a 3800 there is plenty of **** over there 
That girls on AIM comment was hilarious though, lol.
I'm still waiting for you LSX guys to figure out the heads/cam aspect of these cars and then you'll find one in my driveway.
As for transmissions, I would think that vendors like ZZP would be able to build one for you......


