LS1NOVA

iTrader: (12)

I do some hot rod work out of my garage and have a customer that wants 800rwhp.

The APS looks nice but 9k.

I was thinking selling the stock LS2 shortblock and buying a forged shortblock from a vendor.

Who makes a single kit for the GTO?

Is the rear strong enough?

Is the 4L80 an easy swap?

Thanks

The Fugitive

iTrader: (6)

You're welcome

slow67

iTrader: (2)

Harness is ~$100 for 4L80E.

The Fugitive

iTrader: (6)

I got ripped

Bob@BruteSpeed

iTrader: (16)

http://shop.brutespeed.com/Moser-GTO...nd-Package.htm

Here is the rear that will handle the power. Bob

czwalga00gt

iTrader: (3)

If you have the capabilities build your own... 9k is insane.

FL-Pirate

iTrader: (11)

• APS quit making / selling the GTO kits a while back.
  
• Definitely go with a forged short block and decent heads.
  
• STS makes a kit but it's not what you need to make 800 to the wheels http://www.ststurbo.com/pontiac_gto_5_7l
  
• An 8.8 swap seems to be the bulletproof rear for our cars but I'm running a TruTrac in the stock housing(we'll see how long that lasts).
  
• 4l80 swap - It bolts in with minor frame rail notching to fit the harness plug however the '05/'06 TCM's won't control the 4l80 unless there has been a new breakthrough I'm unaware of? So you'll need a 1k + Trans controller or use the Rossler Transmission Black Box to make it a full manual valve body.

So either a custom single or a ProCharger will get you there pretty easily. Good luck and keep us posted.

LS1NOVA

iTrader: (12)

-What size single? Will a TC78 make it there?
-Any stock manifolds fit flipped on these?
-It already has a STS on it now but it is choking and running out of power around 550.
-Who makes the 8.8 swap parts?

The Fugitive

iTrader: (6)

if you already have a STS on there just improve upon that get a PT88/93 I think there are a few people on here running that or bigger/other units and making power. btw is the STS kit on there a single or twin? Getting a bigger turbo with a different a/r would help on it choking at 550hp. For turbo questions ForcedInductions.com can easily answer what you want to know

HydroStream6

iTrader: (16)

No one really makes a nice single kit for our cars. It would have to be custom fabbed. If you don't want to do it yourself I would look into a Procharger or TVS blower instead.

A TC78 will most likely not be enough for 800rwhp. The turbine is too small. You'd have to step it up.

You can make more power on a modified STS setup. You'd need larger pipes though.

I tried flipping manifolds to do my setup. I didn't like how it laid out. I ended up making my own tubular manifold. People have used flipped truck manifolds though.

Hendrix makes the 8.8 swap parts.

4L80e swap isn't too bad. I believe I was the first to swap to it from a 6 speed. It will require an aftermarket computer to run it though, which gets expensive. I built the trans myself and it still cost me about $4k.

slowlsx

iTrader: (28)

if your asking if the rear is strong enough you should be giving an ET goal not a horspower goal.

LS1NOVA

iTrader: (12)

The customer stated the horsepower goal not me. He is also not happy with the layout and piping of the STS. Not sure if its a single or twin.

bravoboost

+1 for a custom setup... I have custom dp's, custom manifolds, forged bottom end, FMIC, tial wg's and bov's, bap+ 255walbro, 72lbers, and twin 3076's .... This is my recipe and im already at 729whp @ only 71% dc and 18*. I'm going to a colder plug and then ill be cranking the boost a bit. 800whp easily achieved through, STOCK heads, STOCK cam, STOCK intake manifold, STOCK fuel rails, hi-flo cats, and spinteck mufflers.

DrTurbo

iTrader: (3)

Single GT88 will do the trick. TC78 will not support consistently 800rwhp without all stars being aligned.

ArklaTexan

iTrader: (24)

Will my s475 with 1.10 t6 with meth, 18psi, afr heads on 370 hit 800? I had the tc78 that I just replaced. If worst comes to worst I can spray on top!

sorry for the hijack.

I will post up some pics for the OP for my custom rear mount turbo setup. tons better then the sts.

DrTurbo

iTrader: (3)

It may get there.....tough to say since with a rear mount you have to make sure all the parts are correct and piping size.

ArklaTexan

iTrader: (24)

well then with a 75 shot of nitrous through my 78mm plate I definitely will

DrTurbo

iTrader: (3)

Yeah with a 75 shot it will do it....

ArklaTexan

iTrader: (24)

does nitrous work as a multiplier on a turbo like it does a blower? I have always heard the blower guys getting like 100 out of a 50 shot

1INSANEGTO

iTrader: (13)

There is a single turbo kit sold on ebay. Its USA Made so I would give it a shot.