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Changing 5.3 to a 6.0

JoshOceano

By JoshOceano
in Ask A GM Technician

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JoshOceano Enthusiast

JoshOceano

Posted
Posted

I have found a 6.0L but it's from a 08 and I need to know what all I'd need or if it would work on my 2000? And if I would what all would I need to put it in?

Chris Senior Enthusiast

Chris

Posted
Posted

Skip it. Find one out of a 2001-06 Esclade, Denali, 02-06 2500, 03-06 SS. The Escalade and SS 6.0 preferred

JoshOceano Enthusiast

JoshOceano

Posted
  • Author
Posted

Why do you say that? Would they have less edmissions? Or those motors essier to supe up because basically I want to make as fast as I can.

LongrangeLauber Senior Enthusiast

LongrangeLauber

Posted
Posted

If you plan on just dropping it in, go with a LQ9

 

If you plan on doing heads, cam, forced induction, etc. go with an LQ4 from the start to save some money, plus the heads have a lower compression on an LQ4

 

I do believe they have different piston tops though, one is dished and one is flat Im pretty sure

 

These motors are also probably cheaper than that 08 6.0 cause that sounds like the all aluminum L76 motor from the Vortec Max labelled trucks

 

And don't forget about a tune, and beef up your trans. (which Im assuming is a 4L60E is your truck is automatic)

JoshOceano Enthusiast

JoshOceano

Posted
  • Author
Posted

Well see I'm getting it all out of a rolled 08 and the guy want 1000 for the motor and tranny because he's a family friend and i all so wanted to know if I'd have to do all the re- wiring

LongrangeLauber Senior Enthusiast

LongrangeLauber

Posted
Posted

There's gotta be a couple things different. Buy it and sell the motor and tranny separate for more $$$ and buy an LQ4 lol

 

Sent while drinkin' a cold one...

 

 

JoshOceano Enthusiast

JoshOceano

Posted
  • Author
Posted

Nice my weekend starts at 5:00 and ok but where's my best shot at finding a LQ4 and what tranny should I go with and would you say costume tuning is better then a programmer

LongrangeLauber Senior Enthusiast

LongrangeLauber

Posted
Posted

Yes custom tune is better and about the same price as a canned tune. As far as an LQ4 or lq9 you can find em at your local junkyard or look on ebay or craigslist. I believe Chris listed all the vehicles that the LQ9 came in in the second post of this thread

 

Oh the LQ4 was for the HD trucks so if it says it came out of a 2500 or 3500 with 6.0L then it is an LQ4. Should have a block casting # on it and you can tell by it having iron heads

 

Sent while drinkin' a cold one...

 

zach1990 Senior Enthusiast

zach1990

Posted
Posted

Chris has done the swap in his truck. I'd hit him up for more info

 

Sent from my LG-D800 using Tapatalk

 

 

Chris Senior Enthusiast

Chris

Posted
Posted

Lq4 has lower compression because of dished pistons. Best bet for an LQ4 is a salvage yard

Chris Senior Enthusiast

Chris

Posted
Posted

If you go with something newer than 06 be prepared to open your wallet to make it work. The engines I listed are qlmost plug and play. Only extra work needed is a retune

Chris Senior Enthusiast

Chris

Posted
Posted
Yes custom tune is better and about the same price as a canned tune. As far as an LQ4 or lq9 you can find em at your local junkyard or look on ebay or craigslist. I believe Chris listed all the vehicles that the LQ9 came in in the second post of this thread

 

Oh the LQ4 was for the HD trucks so if it says it came out of a 2500 or 3500 with 6.0L then it is an LQ4. Should have a block casting # on it and you can tell by it having iron heads

 

Sent while drinkin' a cold one...

 

NO! if it has iron heads run away. Far far away. If the head casting is 317 you are good to go. Both 6.0s ran the aluminum 317 castings after 02.

Chris Senior Enthusiast

Chris

Posted
Posted

Iron heads were only in the early LQ4's. 02-06 are pretty safe

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