What are the main differences in the ls1, the ls2, and the ls6? what are the factory HP ratings, and there dispalcement sise, I know the ls1 is a 5.7, and the ls2 is a 6.0, but what are the ls6's? and what cars did they come in? also is the truck 6.0 block the same as the ls2 block other than being cast iron? like can you put ls2 internals + heads on the 6.0 iron truck block? if so wouldent it have close to the same hp rating?
Try this lin as it will explain it all.
Gen III LSX
97 GMC, 2002 LS6.
1991 GMC Syclone #1428
<div class='quotetop'>QUOTE(NITROUS @ Dec 9 2006, 08:45 PM) [snapback]75854[/snapback]</div>Cool now i know a lot more than i did before, but are the internals of the ls2 the same as the truck 6.0L? and can you put ls2 heads on a 6.0 truck block?
I believe the 6.0L truck rods are heavier. The latest LS2s have a 52 or 54 point reluctor wheel and the 6.0L truck has a 34 or so. The heads are interchangable.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
<div class='quotetop'>QUOTE(RedHeartbeat @ Dec 10 2006, 08:56 PM) [snapback]75928[/snapback]</div>even tho the rods are heaver they are still the same sise? I am just wondering if i ever build a gen 3 engine what i should do. I know where i can get a low mile 6.0 long block pretty cheap to start with. If i were to build one it would go in a 4x4 truck anyway so the extra weight of the iron block dosent matter to me. Now that my friend got his ls1 for a swap i've been looking in to the gen 3 enines a lot more, and even thinking about building my own. If so I would like to get around 450 hp NA at the crank.. would the truck 6.0 be a good start? Can the stock truck bottom end hold 450hp? and if so how much will a stock truck 6.0 bottom end handle?I believe the 6.0L truck rods are heavier. The latest LS2s have a 52 or 54 point reluctor wheel and the 6.0L truck has a 34 or so. The heads are interchangable.
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The stock bottom end can handle 1000 hp. The cranks are interchangable except the 4.8L, the rest are the same except the early 6.0L have a thicker/longer flange for the flywheel. The stock pistons won't handle too much abuse since they're hyperutechnics. The 6.0L block is a great start. Buy an Eagle 4" stroker crank and forged rods and you've got a 402 with stock bore or 408 with .03" oversized bores in the 6.0L block. Buy forged pistons to go with the rotating assy and you've got one stout engine.
Once you go into one of these engines you might as well spend your money wisely and do it up correctly. You can buy all the parts to build up a nice new 408 long block for about $5500.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
Thanks for the info, I need to start saving, the 402 sounds pretty good to me.
I know i need to start saving for my 402 or 8, but I just want to look at all my options before I dive in. The 6.0 I have is a 01 with 87k on it. I am going to put this in my own yukon. I am just going to put it in stock for now. But I was thinking that I could start buying parts and put them on as I get them. like heads, cam and a Throttle body/intake would be the first parts to buy? What's a good head for the money to run on the 6.0, and can I run it on a stock bottom end and upgrade to a stroker later and still be able to use it? I have read that not all heads are interchangable. Also I want a cam that will give me good midrange power in a 4x4 app. I will probally just save and get the heads and cam, maybe a different intake and put that stuff on and see how it goes. Then when I get enough for the bottom end I will pull it and go for a rebuild. What are people running for intakes? I looked at the FAST/Wilson intake and it's like $850
Thanks for the help I am just getting in to the Gen III Engines and realising the potential.
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