depends what you want to do with it

 

It's going to be a Daily Driver and taken to the track, but not ALOT....
I want to have good horsepower and power period, and not shit gas mileage.

 

It's going to be a Daily Driver and taken to the track, but not ALOT....
I want to have good horsepower and power period, and not shit gas mileage.

you will be better off with a ls1 then i believe

 

Do yo have a V8 in there now? Id say go for whatever you can find at a better price. But it all depends on what you want to do. I tried to find an LS1, they were all way too expensive. I found the 6.0 complete for a hell of alot better price. That and I wanted the 317 heads that are on the 6.0. They flow better than LS1 heads. I do plan on a Whipple. Thus why I wanted the heads and the lower compression 6.0.

 

For one, this is too broad as both have many variations AND when you start modding either one both are potent. The 6.0 will drop is easier electronicall speaking. Both will need tranny work. The 6.0 variants make more torque out of the box and are going to be less $$$.

Cameron

 

It's a v6 in there right now. I know DemoN had the v6 and went to the LS1 and from reading his posts it sounded like a pretty painless install...

 

It's a v6 in there right now. I know DemoN had the v6 and went to the LS1 and from reading his posts it sounded like a pretty painless install...

Hed be the man to chat with. You will need to find a 6.0 or whatever with a complete harness I think. Im not really up on the V6 to V8 swapping on NBS trucks. Just V8 to V8. I will say this. If you decide on a 6.0, I would advise to search for an 02+ motor. Some of the older LQ4's had a longer crank and cast iron heads. You want one with the 317 alum heads. I snagged my motor complete for $1250. They are all over Car-Part.com.

 

id go ls1 then.....the gas mileage is a big factor for a driver

 

There are to versions of the 6.0..... LQ9 and LQ4. The LQ9 is a little beefier and has a compression ratio (CR) of 10:1, which is the same as the LS1. The LQ4 has a CR of 9.4:1, which is better suited for a supercharger or turbo. The LQ9 makes better power than the other two, has a very torquey lowend, much lower than the ls1. An upside to the LS1 is it's aluminum block, which is much lighter. Another option would be the LS2 (High Compression, Aluminum 6.0):evil:, but may be very pricey. Just make sure you make tranmission upgrades with any of these swaps .

 

I went 6.0L just so i would be safe if i ever added a big power adder. I may not be doing a supercharger or turbo setup any time soon, but it will be on the bottle :read: Also, i get better, yes better gas mileage with the 6.0 than the 4.8L. The RPM's stay lower in normal driving conditions. :head:

 

There are to versions of the 6.0..... LQ9 and LQ4. The LQ9 is a little beefier and has a compression ratio (CR) of 10:1, which is the same as the LS1. The LQ4 has a CR of 9.4:1, which is better suited for a supercharger or turbo. The LQ9 makes better power than the other two, has a very torquey lowend, much lower than the ls1. An upside to the LS1 is it's aluminum block, which is much lighter. Another option would be the LS2 (High Compression, Aluminum 6.0):evil:, but may be very pricey. Just make sure you make tranmission upgrades with any of these swaps .

LS1 is only about 150lbs lighter. Not that big of a difference.

 

LS1 is only about 150lbs lighter. Not that big of a difference.

I thought it was only around 75 lbs???

 

Also, i get better, yes better gas mileage with the 6.0 than the 4.8L. The RPM's stay lower in normal driving conditions. :head:

no shit!! Thats awesome...what kinda mileage do you get? I may start keeping an eye out for a 6.0 now.

 

no shit!! Thats awesome...what kinda mileage do you get? I may start keeping an eye out for a 6.0 now.

if i baby it, i normally get around 17-18 mpg, but the last tank was only 14.5 mpg. But that tank included a night at the track, and lots of high speed runs for a video and brunouts. IMO, LS1 or 6.0L is one of the only ways to go.

 

if i baby it, i normally get around 17-18 mpg, but the last tank was only 14.5 mpg. But that tank included a night at the track, and lots of high speed runs for a video and brunouts. IMO, LS1 or 6.0L is one of the only ways to go.

What cam you running?

 

What cam you running?

Stock LQ9 cam for now. Its still my DD so i have to keep it practical. I wouldn't mind a cam, but i really dont want to do a stall.

 

if i baby it, i normally get around 17-18 mpg, but the last tank was only 14.5 mpg. But that tank included a night at the track, and lots of high speed runs for a video and brunouts. IMO, LS1 or 6.0L is one of the only ways to go.

wow i always heard those 6.0s were 10-12 mpg pigs which is why i went with the ls1 because i am shooting for 20 mpg if possible. Oh well if the ls1 blows up I can always swap all the stuff to a 6.0 block down the road then.

 

wow i always heard those 6.0s were 10-12 mpg pigs which is why i went with the ls1 because i am shooting for 20 mpg if possible. Oh well if the ls1 blows up I can always swap all the stuff to a 6.0 block down the road then.

Yeah that's because 80% of them are in 2500HDs (6000-7500lbs trucks) and people drive 80mph or faster in a brick like that. Not to mention a 4.10:1 with a 0.75:1 OD = about 2600rpm at those speeds if not more...

LS1s in the vehicles they come in run down the freeway at 80mph in OD at 2000rpm maybe (to 2200 depending on factory rear end gear or about 1700 with a T56). BIG difference. And the vehicle is a mere 3500lbs.

Not to mention the 6.0 tuning from the factory sucks.



If I was keeping my Z I'd have a 6.0 HO in there by late summer, I promise with a gear swap, that motor, some LTs, mild cam... I'd easily average 2-3 more MPG than I do currently. It would just move easier and be far more efficient...



LS1 is an awesome motor, bore and stroke is closer (3.9x3.62) so it a bit closer to square. 6.0 has a bigger bore which can unshroud valves better (4x3.62) but is a bit heavier. You can't go wrong with either, 20 cubes larger is nice but less unsprung weight is too. I don't remember if LS1s have full floating rods like the 6.0 HOs do or not. Having an aluminum block is always nice to show someone when ya pop that hood. :read:

 

if i baby it, i normally get around 17-18 mpg, but the last tank was only 14.5 mpg. But that tank included a night at the track, and lots of high speed runs for a video and brunouts. IMO, LS1 or 6.0L is one of the only ways to go.

Ross, PUT THE LS1 FANS ON :ninja: . I went from about 14.5 babying mine to about 18 on mine going to the track twice and racing that dude on the way home, still filling up early. I never got more than 300 miles per tank. Now I have 3something and still over 1/4 tank left. And picked up a few 1/10's in the 1/4 also. :shake:

Oh yea. I'd go with the LQ9 6.0 myself. You get all the low end, and I think its a pretty painless swap. Besides its bigget than the LS1 :read: . That or wait for a LS7. Thats what I'm holding out for. That and the lottery. :head:

 

If you have plans for forced induction down the line go w/ the LQ4

If you are gonna stay N/A go w/ the LQ9 :read:

 

I will probely eventually go with a supercharger or a turbo.... so LQ4 would be the best bet?

Also whats the Horsepower on the 6.0s?

 

anyone know if crazy mods would be needed to stick a 6.0 in my truck?

i know there wouldnt be, if any very little, a problem getting it in there. im not really familiar with the new vs old engine thing... but i bet the WORST part would be the wiring.

I will probely eventually go with a supercharger or a turbo.... so LQ4 would be the best bet?

Also whats the Horsepower on the 6.0s?

livernois motorsports turbo kit ...I plan on getting this. an escalade with the upgraded kit ran a 12.88 @ 107mph with 13lbs of boost

LQ4 has 300hp and 350tq (i might be off on the torque)

LQ9 has 345hp and 380tq (again.. might be off on the torque)

 

It's a v6 in there right now. I know DemoN had the v6 and went to the LS1 and from reading his posts it sounded like a pretty painless install...

if i've given the impression that an LS1 swap from a V6 is a painless swap, i'm sorry. it's not:read: the engine cost much more, you have to have all accessories (or buy all the 5.3 accessories), custom built wiring harness, custom programmed PCM, notch the crossmember, custom mount the fans, custom intake, custom fuel rail...blah blah blah. the 6.0 swap would be MUCH easier.

 

if i've given the impression that an LS1 swap from a V6 is a painless swap, i'm sorry. it's not:read: the engine cost much more, you have to have all accessories (or buy all the 5.3 accessories), custom built wiring harness, custom programmed PCM, notch the crossmember, custom mount the fans, custom intake, custom fuel rail...blah blah blah. the 6.0 swap would be MUCH easier.

lol. From all your LS1 swap posts I've read it seemed painless.
Why did you do a LS1 swap instead of a 6.0 if it is harder?

 

BTW. I just searched this.
LQ4:300 / 224 @ 4400 HP ... 360 / 488 @ 4000 TQ ... Compression Ratio 9.4:1
LQ9:345 / 257 @ 5200 HP ... 375 / 508 @ 4000 TQ ... Compression Ratio 10:1
LS1: 345 @ 5600 rpm HP ... 350 @ 4400 rpm TQ ... Compression Ratio 10.1:1

Which would be better stock? AND if I ever decided to turbo or supercharge it...

Also what are the different mpg ratings for each of these?