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Author Topic: 6.0L: building a strong, dependable engine  (Read 20328 times)

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KY_BOB

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Re: 6.0L: building a strong, dependable engine
« Reply #25 on: 10/26/07 04:00 PM »

Does anyone with an 07 or 08 happen to know the 3 digit casting number stamped into the heads of the 6.0L engine?  I really need to know.

Sorry, no idea.  Ask that question on performancetrucks.net and I bet you'll get an answer.
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02 Z-71  Vortech supercharged 3.12 pulley 10psi, 212/218 .558/.563 comp cam, LS6 valve springs, SMC meth injection, 42# injectors, Flex-a-lite Efans, 3"body lift, 33 12.50-17 procomp AT, 17x9 procomp wheels, AVIC-N2 NAV, 4.56 gears, 2500 stall converter, transgo HD2 shift kit, Vette servos, 80mm BBK throttle body, Edelbrock headers, custom exhaust, Cold Fusion nitrous, and too many more mods to list.

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Motion427

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Re: 6.0L: building a strong, dependable engine
« Reply #26 on: 10/29/07 11:45 AM »

The 6.0L LQ9 is in the AV.So far so good.Still wiring  and pulleys to put together.
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ms38w

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Re: 6.0L: building a strong, dependable engine
« Reply #27 on: 10/29/07 12:18 PM »

Here's mine........



 :thumbsup:Do you have the 427 installed and running yet?  What mod's did you have to do to make it work?  Total cost?  Is it a NEW from GM 427?
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ms38w

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Re: 6.0L: building a strong, dependable engine
« Reply #28 on: 10/29/07 12:26 PM »

Money is wasted in many forms..... but I believe that money spent on bringing joy in any form is not money wasted... :wave:


:thumbsup: :thumbsup: :thumbsup:GOOD CALL!!!!!!!!! :thumbsup: :thumbsup: :thumbsup:
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<br />\\\\\\\'02 1500 Z71, with a few mods...<br />408 Stroker, H2 rear end, 6-speed manual,side pipes, shorty headers,8-lug wheels, 1-ton T-case, custom drive shafts.

ms38w

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Re: 6.0L: building a strong, dependable engine
« Reply #29 on: 10/29/07 12:33 PM »

He hasn't yet but with the exception of his rear diff, he's already setup to take the power on it.  No computer change would ne needed only the tune and he does his own tuning.



KY_BOB,
I'm still a little corn-fused here.  I can't seem to get a straight answer from this forum.  I get every answer from 5.3L to blown 572's.  Granted, I don't want to spend $20k getting there, but even $10k for marginal improvement over a worn out 5.3L is a huge waste of money, time and effort.  Can I realistically put  427ci LS7 in my AV and keep a budget of about $10k?...and make it run right with the 427's intended power band?  Or will I spend more money on towing than on gas? :E:
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<br />\\\\\\\'02 1500 Z71, with a few mods...<br />408 Stroker, H2 rear end, 6-speed manual,side pipes, shorty headers,8-lug wheels, 1-ton T-case, custom drive shafts.

KY_BOB

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Re: 6.0L: building a strong, dependable engine
« Reply #30 on: 10/29/07 01:47 PM »

KY_BOB,
I'm still a little corn-fused here.  I can't seem to get a straight answer from this forum.  I get every answer from 5.3L to blown 572's.  Granted, I don't want to spend $20k getting there, but even $10k for marginal improvement over a worn out 5.3L is a huge waste of money, time and effort.  Can I realistically put  427ci LS7 in my AV and keep a budget of about $10k?...and make it run right with the 427's intended power band?  Or will I spend more money on towing than on gas? :E:

I don't think it's possable to do a LS7 for 10k.  If I'm not mistaken, that motor is about $12k alone.

As for it droping in place and bolting up, it's a fairly straight forward swap.

Check out this place.  They specialize in this kind of work.

http://www.redstarperformance.com/
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02 Z-71  Vortech supercharged 3.12 pulley 10psi, 212/218 .558/.563 comp cam, LS6 valve springs, SMC meth injection, 42# injectors, Flex-a-lite Efans, 3"body lift, 33 12.50-17 procomp AT, 17x9 procomp wheels, AVIC-N2 NAV, 4.56 gears, 2500 stall converter, transgo HD2 shift kit, Vette servos, 80mm BBK throttle body, Edelbrock headers, custom exhaust, Cold Fusion nitrous, and too many more mods to list.

Tuned with HPTuners
8.86@77.87mph in the 1/8th

ms38w

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Re: 6.0L: building a strong, dependable engine
« Reply #31 on: 10/29/07 02:40 PM »

I don't think it's possable to do a LS7 for 10k.  If I'm not mistaken, that motor is about $12k alone.

As for it droping in place and bolting up, it's a fairly straight forward swap.

Check out this place.  They specialize in this kind of work.

http://www.redstarperformance.com/

The morons at the dealer keep insisting that the 427ci LS7 is a big block...like I'd let THEM do the swap if they don't know even THAT much!!! :beating:
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<br />\\\\\\\'02 1500 Z71, with a few mods...<br />408 Stroker, H2 rear end, 6-speed manual,side pipes, shorty headers,8-lug wheels, 1-ton T-case, custom drive shafts.

ms38w

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Re: 6.0L: building a strong, dependable engine
« Reply #32 on: 10/30/07 08:43 AM »

I don't think it's possable to do a LS7 for 10k.  If I'm not mistaken, that motor is about $12k alone.

As for it droping in place and bolting up, it's a fairly straight forward swap.

Check out this place.  They specialize in this kind of work.

http://www.redstarperformance.com/

Thanks for the link.  I have now been in contact with them and they are worinkg up a few quotes for me.
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<br />\\\\\\\'02 1500 Z71, with a few mods...<br />408 Stroker, H2 rear end, 6-speed manual,side pipes, shorty headers,8-lug wheels, 1-ton T-case, custom drive shafts.

ChevroletSet

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Re: 6.0L: building a strong, dependable engine
« Reply #33 on: 11/20/07 04:41 AM »

The morons at the dealer keep insisting that the 427ci LS7 is a big block...like I'd let THEM do the swap if they don't know even THAT much!!! :beating:

Well are you sure you said LS7 because EVERY other 427 besides the LS7 is a big block...just playin devils advocate.

Now as far as a ZZ572, I would figure that would be close to impossible.

If your truck is 4x4 I would drop a Duramax w/ an Allison in it. Lots of my buddies have duramaxes and a few of them do low 13s. It is very reasonable to put a diesel engine in an Avalanche...but without 4x4 I would say stick with a LS7.
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ms38w

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Re: 6.0L: building a strong, dependable engine
« Reply #34 on: 11/20/07 05:57 AM »

Well are you sure you said LS7 because EVERY other 427 besides the LS7 is a big block...just playin devils advocate.

Now as far as a ZZ572, I would figure that would be close to impossible.

If your truck is 4x4 I would drop a Duramax w/ an Allison in it. Lots of my buddies have duramaxes and a few of them do low 13s. It is very reasonable to put a diesel engine in an Avalanche...but without 4x4 I would say stick with a LS7.

The way I understand it, I would have to have the 2500 Avalanche to be able to handle the weight of the diesel.  Even the 2500's some people don't believe it would work...like anyone on this or any site would ever mislead you.  I am rethinking the whole diesel thing anyway.  The cost of the engine/tranny and the cost of diesel fuel these days makes it uneconomical.  But for the "Wow" factor...WOW!  I would be just as happy with a hi HP,hi tq gasser.  I can always wish and dream, but my truck is mostly a daily driver with the seasonal camping trips pulling a trailer.
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KY_BOB

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Re: 6.0L: building a strong, dependable engine
« Reply #35 on: 11/20/07 06:36 AM »

Well are you sure you said LS7 because EVERY other 427 besides the LS7 is a big block...just playin devils advocate.


Yes, I'm sure.

If your truck is 4x4 I would drop a Duramax w/ an Allison in it. Lots of my buddies have duramaxes and a few of them do low 13s. It is very reasonable to put a diesel engine in an Avalanche...but without 4x4 I would say stick with a LS7.

Although anything is possible with enough time and money, that is not an easy swap.  To start with, it requires a body lift to make room for the Allison trans and that's just the beginning.


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Gone but not forgotten...

02 Z-71  Vortech supercharged 3.12 pulley 10psi, 212/218 .558/.563 comp cam, LS6 valve springs, SMC meth injection, 42# injectors, Flex-a-lite Efans, 3"body lift, 33 12.50-17 procomp AT, 17x9 procomp wheels, AVIC-N2 NAV, 4.56 gears, 2500 stall converter, transgo HD2 shift kit, Vette servos, 80mm BBK throttle body, Edelbrock headers, custom exhaust, Cold Fusion nitrous, and too many more mods to list.

Tuned with HPTuners
8.86@77.87mph in the 1/8th

Motion427

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Re: 6.0L: building a strong, dependable engine
« Reply #36 on: 11/21/07 04:01 PM »

I might have a 6.0L LQ9 for sale. It has 10 000KM,off an 05 .
We were supose to built this one for my buddy's Silverado,but he passed away last week end :sigh:
The family is not sure if they gonna have it installed or not.
I should know in a couple of week's.I'll post it if it's available.
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FlaBouy

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Re: 6.0L: building a strong, dependable engine
« Reply #37 on: 11/24/07 06:48 AM »

I might have a 6.0L LQ9 for sale. It has 10 000KM,off an 05 .
We were supose to built this one for my buddy's Silverado,but he passed away last week end :sigh:
The family is not sure if they gonna have it installed or not.
I should know in a couple of week's.I'll post it if it's available.

You have PM....
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Motion427

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Re: 6.0L: building a strong, dependable engine
« Reply #38 on: 11/24/07 07:11 AM »

PM replied.
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FlaBouy

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Re: 6.0L: building a strong, dependable engine
« Reply #39 on: 11/24/07 07:25 AM »

PM replied.

Replied PM replied too...  :thumbsup:
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k15goose

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Re: 6.0L: building a strong, dependable engine
« Reply #40 on: 11/28/07 11:17 PM »

Okay,  I've added a k&n intake and am getting it tuned at nelsonperformance on the 14th.  In the meantime I want to find a throttle body.  The 80mm that BBK makes for the vortech line thats listed second on their site only goes up to 2004.  If this isn't the one I need, do they make it?  Where else can I find one?

This is for 2008 with 6.0L.
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livewire

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Re: 6.0L: building a strong, dependable engine
« Reply #41 on: 03/30/11 06:15 AM »

I have a 5.3L and have added a Banks Power Pack with Flowmaster exhaust. This supposedly boosted the hp to around 355. It is running much better but on the hills pulling my 7,000 lb trailer it could use a little extra, still. I have 3.42 gears and am wondering if switching to 3.73's would help any.

The other thing I was told was to consider a set of Corvette heads. Any opinions?
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avalonandl

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Re: 6.0L: building a strong, dependable engine
« Reply #42 on: 03/30/11 06:51 AM »

If you are looking at heads do a cam too. Or maybe just do a cam. This will mean a complete tune though.

Avalon
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Clayhammer

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Re: 6.0L: building a strong, dependable engine
« Reply #43 on: 03/30/11 08:04 AM »

4.10 gears would be better for towing.
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