Generation III Internal Engine 1997-2006 LS1 | LS6
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Old 01-15-2019, 02:04 PM
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Looks great but I'm in Ohio, might be too far for him
Old 01-16-2019, 02:57 AM
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Found a local lq4 out of a Chevy truck... Guess they are parting it out... Sucks cause i think I would have to pull the motor for them if I buy it. 92k makes me skeptical as to why they are parting it out if it's a good truck... But oh well. Maybe it'll have a 4l80 attached to it to go with it. Waiting to hear back
Old 01-16-2019, 06:03 AM
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Was it wrecked? Can you hear it run before they pull it?
I would take a valve cover off and check for excessive sludge
Old 01-16-2019, 08:29 AM
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Originally Posted by Ls7colorado
I’m sure a lot will disagree with me here but I wouldn’t do a pro charger on a street engine (or any centrifugal supercharger) mainly for the lack of low end power compared to top end power. I don’t mind revving my junk though so it wouldn’t matter for me but most people would get much more enjoyment from a roots style blower or even better a properly sized turbo setup. Just my 2 cents as I’ve driven them all
Depends on the setup. I run a DS1 with a 3.5 inch pulley on a 408 stroker and pump out tons of torque on the low end and lots of power below the curve. Step up on a procharger is 4:1 so it spins up quick.
Old 01-16-2019, 08:30 AM
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Originally Posted by ls1fan92
Found a local lq4 out of a Chevy truck... Guess they are parting it out... Sucks cause i think I would have to pull the motor for them if I buy it. 92k makes me skeptical as to why they are parting it out if it's a good truck... But oh well. Maybe it'll have a 4l80 attached to it to go with it. Waiting to hear back
if you get the bare block you would have to build it. if you get the used one you dont have to build but even if you do you still are building it. get the used one maybe regap rings. ls9 mls gasket and stud it before you put on your heads and go have fun. you will be way ahead on coin from what it sounds like you want to do
Old 01-16-2019, 08:32 AM
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Originally Posted by Ls7colorado
Was it wrecked? Can you hear it run before they pull it?
I would take a valve cover off and check for excessive sludge
Agree - and drop the pan to see if the crank walked.
Old 01-16-2019, 08:52 AM
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yup since he prob changing oil pan anyway since he said its a street car
Old 01-16-2019, 08:57 AM
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Originally Posted by Rugerator
Depends on the setup. I run a DS1 with a 3.5 inch pulley on a 408 stroker and pump out tons of torque on the low end and lots of power below the curve. Step up on a procharger is 4:1 so it spins up quick.
I’m in vacuum under 3000 rpm, but have a 3400 stall. Even with the little 346 on the street I’ve got to pedal it if I don’t want to blow the tires off from a dig. I’m spinning 6700 so I come into the next gear around 5000 rpm.

I do do agree with him though if you are small cubic inches and running under 10 psi the procharger may not be what you want. Over 10 psi it really changes things as does cubic inches.

Old 01-16-2019, 09:08 AM
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This is one of our best sellers, stock 6.0 with flat top pistons: https://www.high-performance-engines...k-p/sp19-f.htm

Keep in mind we give LS1TECH Members a 5% discount and free shipping. These are in stock ready to go with a Dish or Flat Top. We also have an array of other LS short blocks:
https://www.high-performance-engines...ory-s/2161.htm
Old 01-16-2019, 09:22 AM
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Originally Posted by ATK Engines
This is one of our best sellers, stock 6.0 with flat top pistons: https://www.high-performance-engines...k-p/sp19-f.htm

Keep in mind we give LS1TECH Members a 5% discount and free shipping. These are in stock ready to go with a Dish or Flat Top. We also have an array of other LS short blocks:
https://www.high-performance-engines...ory-s/2161.htm
Not a bad deal
Old 01-16-2019, 11:53 AM
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Yeah considering all I'd have to do is just bolt on the heads, intake, and accessories really, that ATK isn't a bad idea... I'm waiting to here back about the local one, gonna take my buddy with me (he works with his dad at his shop), he might be able to pickup on those red flags you guys mentioned.
Old 01-16-2019, 12:43 PM
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Originally Posted by ATK Engines
This is one of our best sellers, stock 6.0 with flat top pistons: https://www.high-performance-engines...k-p/sp19-f.htm

Keep in mind we give LS1TECH Members a 5% discount and free shipping. These are in stock ready to go with a Dish or Flat Top. We also have an array of other LS short blocks:
https://www.high-performance-engines...ory-s/2161.htm


Old 01-16-2019, 03:08 PM
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What do we have to do or what is the code for the 5% off? Free shipping to residential address? I tried emailing you guys a while back with some questions like these and didn't get a reply. I figured you get a lot of business and emails can get lost so no biggie.
Old 01-17-2019, 08:25 AM
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Originally Posted by BCNUL8R
What do we have to do or what is the code for the 5% off? Free shipping to residential address? I tried emailing you guys a while back with some questions like these and didn't get a reply. I figured you get a lot of business and emails can get lost so no biggie.
Sorry to hear that, being as large as a company as we are our email systems spam filters are very strict and it may have gone to that folder. To get the discount you can just call and mention LS1TECH. Shoot me a message with any question, Ill be glad to help any way I can. The free shipping is to a residential address as well as including a liftgate =)

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Old 01-17-2019, 10:13 AM
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Yeah that ATK 6.0 looks like a good deal. Assuming they use aftermarket crank and pistons, would it be able to use boost further down the road or would I need some forged internals?
Old 01-17-2019, 11:25 AM
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Originally Posted by ls1fan92
Yeah that ATK 6.0 looks like a good deal. Assuming they use aftermarket crank and pistons, would it be able to use boost further down the road or would I need some forged internals?
Take a look at this one...iron block 347 forged rods and pistons. Figure in the 5 percent discount and free liftgate delivery which is probably $3-400 alone and it’s a heck of a deal.

https://www.high-performance-engines...uct-p/sp75.htm
Old 01-17-2019, 11:45 AM
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Originally Posted by ls1fan92
Yeah that ATK 6.0 looks like a good deal. Assuming they use aftermarket crank and pistons, would it be able to use boost further down the road or would I need some forged internals?
If you're going to run boost, it really needs to be build for your application. Crankshaft is good for some decent power, but the pistons, rings and rods should be upgraded. A naturally aspirated engine and a boost engine are built differently. Sure, you can just toss spray or boost at an engine and it may live a little while, but why do it twice? We gap the rings, set the bearing clearances and select parts stack designed to live when building a nitrous/boost application.
Old 01-19-2019, 08:29 PM
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Originally Posted by ls1fan92
I can respect that. Save from getting a whole new rotating assembly and having to get it balanced. You think 1200 is a stretch for a bare block then?
About 5 yrs ago I bought a 08 LY6 w/ 30K miles for $1300. So yeah, I think $1200 is a stretch. Get a used motor of shortblock.. You don't want the block machined PRIOR to getting your pistons anyways. I always wondered what the allure of getting a freshly machined block from Summit.
Old 01-21-2019, 10:19 AM
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Originally Posted by ATK Engines
If you're going to run boost, it really needs to be build for your application. Crankshaft is good for some decent power, but the pistons, rings and rods should be upgraded. A naturally aspirated engine and a boost engine are built differently. Sure, you can just toss spray or boost at an engine and it may live a little while, but why do it twice? We gap the rings, set the bearing clearances and select parts stack designed to live when building a nitrous/boost application.
We carry these too and they are very popular and well built. LOTS of different combinations to get just what you need.
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Old 01-27-2019, 12:05 AM
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Just found a 6.0 lq4 short block for 600... The other one kind of fell through, I'd have to pull it my self from the truck and I don't wanna bother. Waiting to hear back on mileage (if known). Pics didn't look bad, but you never know.




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