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I have an LS2 with mods listed at the bottom of this post. I am looking for some help making a selection on supercharger kits. I prefer the top mount kits if possible, and I would like to get into 550rwhp range. While I am very close to making a SC purchase I would like to head off all the other things that will be needed as well. Cooling comes to mind. I want to do it right, and maintain the best gas mileage possible as well. I am looking for a kit that can be shipped to my door, assembled by me and a tune with a mail away or someone local to the St. Louis area.
OK start with the suggestions please!
Mods:
2007, LS2, Z-51, Kooks 1-3/4 LT, no cats X-pipe, BB Fusion Exhaust, MGW Short Throw
I really like my Edelbrock E-Force, although it's starting to look like the LS-2 canned tunes may not be working properly yet.
My tuner had some issues getting mine initially loaded which I first attributed to something specific and odd about my car. However now with other instances showing up it looks to be more of a systemic problem.
I'm getting 501 rwhp on a bone stock LS-2 6 speed, no headers, no cam, no cat-back, just the 1593 E-Force kit, 3.5" pulley from the 1594 kit, and a custom tune from my tuner/installer.
I've been running an LS3 with Magnuson TVS2300 for well over a year now. With cam, bolt ons, and 8.5psi, I'm at 650+ rwhp. You do need an aftermarket hood with the Maggie, but you may not need a radiator. I have the stock radiator in mine and it's been through two SE TX summers with no problems. Temps will get to 200+ when stopped in 100 degree heat with the A/C on. They cool down quick once you get moving. Usually stays around 185 as long as you're moving.
I don't know how the eforce is priced compared to the maggie. Not sure on the radiator either. I paid $1300 for my hood with paint.
My motor with blower has been flawless. The cam gives it a fairly mean sounding idle, but it has no big cam issues. I did have a differential go out. That may have been attributable to a crappy set of aftermarket gears. I wouldn't have thought that I could get enough traction to tear up a rear end. I replaced the clutch while we were under there. It still had some life left in it, but was showing quite a bit of wear at 24K miles. 6K miles stock, 6K miles at 465rwhp, and 12K at 650+.
My car will go from perfect sweetheart to full blown snarlin' bitch in a instant. Boost is available any time you want it. I even see a couple of psi just for an instant when I hit the resume button on the cruise control. Not that you want boost at 1300rpm in 6th gear....just using that as an example of how quick this thing responds to your right foot.