mustang93

iTrader: (7)

Im building a race car 96 mustang with turbo LS swap. It is an all out drag car but 6 liters are getying hard to come by and the ones that are out there everyone wanys Top Top dollar. i have found a few 4.8s. And i also found a 6.0 priced ok but its 4 hrs one way away.guess my question is will i be able to make big power out of a big single turbo 4.8. Or should i not even waste my time. ?

Blackpanther99

iTrader: (8)

What are your HP goals?

Cuz 4.8s can hold real good power. Foose(member in this forum) was pushing over 900+RWHP on a stock bottom end.

mustang93

iTrader: (7)

As much as i can. Looking to run mid 8s in the 1/4.

a4ls2goat

they can all hold the same power.
what ever motor you decide to get make sure it has the ls2 style rods in it.

BMF_Racing

iTrader: (6)

x2 Very true, they are the stronger floating rods. In truck motors they started in 2003 with the ls2 style rods (also 58 wheel on the crank).


IMHO, you will be on the edge of the rods limits to run mid 8's. It can be done, but for how long is a question. Forged rods and pistons and it will last at that level with a good tune. Just my $0.02.

Good Luck.

mustang93

iTrader: (7)

Would the 6.0 make A LOT more power over the 4.8 with the same parts?

a4ls2goat

A little research will answer your questions.

mustang93

iTrader: (7)

I have been doing research and that is why I am starting this thread.

Blackpanther99

iTrader: (8)

It all depends the parts and the fuel you use as well as your fuel system. I would be more safe with a 04 or newer LQ4.

mustang93

iTrader: (7)

Thanks. Im just going to do it right the first time. Im going to pick up the 6.0.

BMF_Racing

iTrader: (6)

they all will bend the rods at about the same whp the only different is you run alittle more boost with the smaller engines. So it really doesn't matter, 800whp in a 4.8 @ 20+ psi and bend the rods or do the same with a 6.0L ... 800whp at alittle less boost and bend the rods.

1fast bird

iTrader: (22)

Whatever is cheapest IMHO. You can't ask a stock longblock to hold up too long if running max effort. Doesn't matter which one you use, it won't let you run mid 8's long, unless your car is 2400 lbs..... The 4.8 will get you as much power with boost as the 6.0, it just may take a few more pounds to do it.

If your goal is to run mid 8's you better pay the extra money now to get a forged short block. The 6.0 will be easier to find forged pistons for if that helps.

What does the car weigh?

Daniel0026

also this
http://www.hotrod.com/techarticles/h...g_bang_theory/
(this is a 4.8)

mustang93

iTrader: (7)

I already read that article but thanks

JAX04

iTrader: (17)

1200+! havent you read the hotrod article! lmao

HRHohio

Don't waste your time... those $500 4.8s let go at around 919 rwhp. <Sarcasm... for those who can't tell>

https://ls1tech.com/forums/forced-in...80tq-4-8l.html

(2005 4.8L Twin Turbo going into my 72 Camaro as we speak).

HexenLord

I fail to see how thats right.

Naturally aspirated you should go with bigger cubes. Forced induction on a stock motor you should go with whichever is cheaper. Given they have the same rods they will hold roughly the same amount of power before breaking. The 4.8 will run to a much higher RPM which will be better for drag racing if you're trying to squeeze the best ET out of it. It also has the shortest stroke which means less leverage on the rods from the crank and less side load on the pistons.

Things like this would technically make the 4.8 the strongest stock shortblock for boost.

You're doing it wrong.

MonmouthCtyLS7

iTrader: (6)

screw the 4.8, pick up s LY5 off of Ebay for 175 bucks plus shipping....