eviltwin_1987

iTrader: (18)

Getting ready to do a build on my daily driver LS2 GTO. Using all parts that I have laying around, just needed to buy a BOV. Build consists of...

Stock 95k mile LS2/T56
Upgraded valve springs
Tial 44mm gate
RPS 50mm BOV
60lb injectors
eBay A2A 3" intercooler
2bar speed density tune
TC78

Build with be a front mount on the drivers side with a 3" down pipe into my SLP catback.

Now here is my delma. I feel like the 68mm turbine wheel on the TC78 is a bit small for the 6.0. Would it be worth looking for say a turbonetics 7875 to use even though I already have a TC78 sitting here? Only looking to push around 500whp on 91 pump gas and maybe a bit more in the future with meth. I dont mind spending the extra money if it will be easier on parts to go with the bigger exhaust wheel but I'm not looking to break any records. I know a lot of people have used TC78s on 6.0 in the past, just looking to put together the best combo with what I can.

itsslow98

iTrader: (18)

That turbo will meet your goal just fine. Will it be the most efficient, no...but itll def get the job done.

hellbents10

iTrader: (10)

I agree for the power level you are looking at it will be just fine.

chevellepowered

iTrader: (37)

agreed ^ , it will meet your power goals..But who stays at 500rwhp ...haha , id just go with the 7875 to begin with ..

milkplus

iTrader: (3)

Why bother with the turbo? HCI and you're putting down 500 rwhp with AC.

I'd do the 75mm turbine if you can swing it.

geoff17

For 500whp and its your daily, that will be a great turbo. My Tc76 made 585 on a lq4 with a cam and it has great street manners and very fast spool, but I want more. With 585 it was able to manage a 10.1 @ 139 so the turbo can make some steam. How much more are you wanting in the future?

geoff17

Who says you have to ditch AC? I have ac in mine. I do agree the 75mm turbine is a really good option if you plan on more down the road.