oscs

iTrader: (19)

YES were talking about an all out drag car at this point and YES I have owned a single turbo V8.. hince why im building a TT 370..


Your single turbo V8 car is fast, Could it be faster with 2? maybe, maybe not. I really don't care to argue it any more.

My .02 says go for twins take it or leave it.

rotary1307cc

iTrader: (5)

If you take a single with equal compressor and turbine capacity as a set of twins it wiill not be a huge difference /story.

Problem with most single setups is they don't have dick for turbine.

oscs

iTrader: (19)

You are absolutely correct about the equal capacity between a single and twins. My argument was something different entirely, Sorry for the confusion.

MUSTANGBRKR02

iTrader: (91)

Class racing is one reason. You aren't making enough HP to worry about outdoing a single.

OP
Either is fine but the 370 will leave more room to grow because 700 becomes 800 becomes a 1000 really fast.

Crazed346

That's what i was thinking. So now i am leaning more towards the 370

Crazed346

What about heads and intake? Which would be ok now ported or not that i can still use and would benefit me more that is cost efficient? I mean my plan was to get the 2.5 6.0L/LQ9 heads. Like i previously stated, I'm not stuck on getting one head over all others, just want to know which would be more cost efficient for the price im paying. Then depending on how much they are i can also get them ported.

MUSTANGBRKR02

iTrader: (91)

If I stay stock casting head then it will be LSA'a

Crazed346

What would you recommend? Because i was thinking a 224R cam w/ 112 LSA would be fine but i dont want something that will mess up everything or get a cam that when i decide to go for more power, i have to get a whole new cam. I basically want to get everything now that will be fine if i want more power later with the same stuff (if possible). Or would be having a cam specd for my build be better?

gnx7

iTrader: (28)

ported 317s with LS6 intake will make 1000rwhp given a properly sized turbo
stock LS3/L92 heads with LS3 intake will also make 1000rwhp given a properly sized turbo

ported 317's will flow 300/310 cfm
ported LS3 heads will flow 350/360 cfm

If its bang for the buck.... run unported LS3's. If you want the most power.... run ported LS3s or get some quality heads with thick decks like TFS225/235 heads or AllPro heads or AFR and run the LS6 intake which has made 1200-1300rwhp+ on properly built shortblocks with turbo setups.

Mildly ported 317 heads have gone low 8's on a stock 6.0 shortblock with single turbo.
stock LS3 heads have gone mid 8's on a stock 6.0 shortblock with single turbo.
Both get the job done.

Now order a set of heads and then the cam that matches them. Cathedral port and rectangular port heads call for a different profile. Brian Tooley, Tick, LilJohn etc can spec one for you since you don't know what you are doing.

Crazed346

What about these with 66cc or 76cc:
http://www.ws6project.com/user_stor/...e-strip-heads/

I would then have to find a set of rockers to use. Then i would look for an LS6 manifold and should i get a Nick Williams 92 or 102 TB

Blackpanther99

iTrader: (8)

370 gets my vote all the way.

Crazed346

Thats the way im going! Now i just have to come up with the top end and then a fuel system ( if mine isnt good enough)

Sales@Tick

iTrader: (3)

Go with the bigger motor for a street car.

Crazed346

I am. What woud you say about top end and cam?

Sales@Tick

iTrader: (3)

I would personally go for a square port stock casting LS3 head and a stock LS3 intake.

Crazed346

Why that route? Why not trickflow, AFR, or any of those?

oscs

iTrader: (19)

Because at your HP goals its not necessary. You can easily get there with an LS3/L92 top end and a big single or twins, Spend that money elsewhere.

Sales@Tick

iTrader: (3)

Cost is the main reason. I have slowly over the past 1.5-2.0 years become a square port cylinder head fan. With a 4.030" bore the 2.165" valve works well IMO.

Crazed346

^^^^^ like he said here i can save that money and spendd it on something more beneficial toward my build. Like a fuel system!

HexenLord

If it comes down to either a 6.0 block or boring out a 5.3, go with the 6.0. I don't understand your NEED to bore out either block. This isn't an N/A setup. You can hit your goals just fine on either block without touching the bore. By boring out a 5.3, you're taking away the best part of it, the extra thick, rock solid cylinder walls.

As far as heads, its hard to beat a set of LS3 heads. They outflow most big block heads right out of the box and can be had for a very fair price. Most stock cathedral port heads flow as well as aftermarket small block heads, but the rectangular port heads flow as much as some of the aftermarket cathedral port heads. Bang for the buck they are very hard to beat. 1000whp can be made on the stock castings.

Save that money and use it elsewhere.