Nitrous Shot??????

[sfriesen]

dry with no tuning, 75 shot is safe, blowing into the airbox so the MAF pics up the temp drop.

Wet, you're surely safe at 150 shot, but I would recommend tuning for it for sure.

[Juiced SSS]

With stock internals, injectors, and fuel pump I'd suggest a wet kit. No sense in stressting your stock fuel system with a big dry shot.

That said, 125 is safe and can be ran many times on a stock 4.8, 5.3, and 6.0. Since the LQ9 pistons are coated and the rods are beefier, a 150 shot can be used all day on the LQ9.

You should atleast change your plugs to TR6s though.