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LS1 or LS2?

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Old 09-09-2011, 10:51 AM
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Default LS1 or LS2?

Hi im thinking about starting a build for my 2000 camaro ss. Ive been researching doing another ls1 but ive also thought about building an ls2. If anyone knows what the price difference would be, what complications i might have, and how you would have to do the wiring, i would greatly appreciate your knowledge. Thank You.
Old 09-09-2011, 11:36 AM
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If you go LS2, get an early one with a 24 tooth reluctor wheel. I was torn between the LS1 & LS2 also. I bought an LS6.
Old 09-09-2011, 11:40 AM
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ls2's make roughly 10-20 more hp than ls1's... nothing to really brag about. id just h/c/i your ls1.
Old 09-09-2011, 04:55 PM
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well i like the ls2 because more displacement and drains oil better among other things plus it wouldnt be stock so so the hp difference wouldnt really be important.......but i also know nothing about them.....just started learning about the little differences in an ls1 but thats not that big of a deal........I would say the biggest problem i would have would be not knowing how to wire it.........and what is a reluctor wheel and what does it do? what makes it better than whatever the other kind is? Thanks for the replies
Old 09-09-2011, 05:15 PM
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Originally Posted by 2000SSMAN
well i like the ls2 because more displacement and drains oil better among other things plus it wouldnt be stock so so the hp difference wouldnt really be important.......but i also know nothing about them.....just started learning about the little differences in an ls1 but thats not that big of a deal........I would say the biggest problem i would have would be not knowing how to wire it.........and what is a reluctor wheel and what does it do? what makes it better than whatever the other kind is? Thanks for the replies
The reluctor wheel is on the crank. Crank sensor gets it signal from it. If you want to run your F-Body harness and ECM, 24 wheel is a must have. I've read of products out there that will trick a 58 tooth into working FWIW. I'm no expert on this stuff but being in the middle of a swap into a BMW, this consideration came up in the past.
Old 09-09-2011, 05:38 PM
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Cam sensor will be on the front, knock sensors on the sides of the block. And I believe lingenfelter has a 58/24 tooth conversion box
Old 09-10-2011, 06:29 AM
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Originally Posted by 1nasty86
Cam sensor will be on the front, knock sensors on the sides of the block. And I believe lingenfelter has a 58/24 tooth conversion box
where is the cam sensor on ls1?
Old 09-10-2011, 07:05 AM
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its on the back side, and if your going with a new shortblock rout then I would upgrade to the ls2 because its only a few hundred more when comparing same parts in a short block.

you should decide what your HP goals are and your budget because theres alot of guys here(ME included) that know what it takes to do a ls engine swap in a car and what all is needed as well as parts.

If you are ganna keep the bottom end stock then I would just keep your ls1 uunless its high miles, a ls2 pullout will cost atleast 2 grand and 3 grand in long block form for low miles.

are you planning to build a motor up or use a stock pullout?
Old 09-10-2011, 07:07 AM
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also to save money and use your stock pcm and harness get a LS2 out of a GTO/Tralblazer or SSR, the ls2s in corvettes have the 58x reluctor which is ok if you buy the 200 dollar converter box.

all your ls1 accessories will bolt to a ls2 with no issues. you will also need your ls1 crank pully unless you buy another one
Old 09-10-2011, 06:24 PM
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Im gonna do a fresh motor build....im prob gonna buy another block and start building it either way then when its done just swap them (along with supporting mods)prob do a little work to short block, but definitely h/c/i......I plan on making about 450-500 hp.....so your saying the way it is wired now will work with an ls2 out of GTO? computer and all? And you said all the accesories will bolt up from ls1 to ls2? are they in the same place? Do i use the same belt?
Old 09-11-2011, 11:04 AM
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I would suggest you start with a LS2 block which is 6 liters. "There's no replacement for displacement" AND with the larger 4" bore, it opens you up to better heads with larger valves.

Specify the 24x and get the needed wiring harness extenders.
Old 09-11-2011, 04:09 PM
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so would the injectors and everything plug up the same? also i came up with the bright idea to build a built 402 stroker how much more do you think that would cost and would that be too much for a street car lol
Old 09-11-2011, 04:20 PM
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Originally Posted by Paul Bell
I would suggest you start with a LS2 block which is 6 liters. "There's no replacement for displacement" AND with the larger 4" bore, it opens you up to better heads with larger valves.

Specify the 24x and get the needed wiring harness extenders.
What he said.
Old 09-11-2011, 04:54 PM
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Originally Posted by 2000SSMAN
so would the injectors and everything plug up the same?
For the purposes of doing this swap, the only things different on the LS2 block compared to the LS1 block is the knock sensors are are moved and the cam sensor is in the timing chain cover in the front. You'll need a LS2 style timing chain & gears and the front sensor. The usual vendors can set you up with these parts as well as sensor extension harnesses.

Injectors and stuff connect-ability depends on the type of intake manifold you bolt on-not the engine block.

More here:

https://ls1tech.com/forums/generatio...-ls2-swap.html
Old 09-11-2011, 07:43 PM
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Why not consider an LS3? More power available with stock heads down this route than with LS2. Intake also better and does not need FAST ($$$) to achieve your goals.
Old 09-12-2011, 02:08 PM
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Originally Posted by Paul Bell
For the purposes of doing this swap, the only things different on the LS2 block compared to the LS1 block is the knock sensors are are moved and the cam sensor is in the timing chain cover in the front. You'll need a LS2 style timing chain & gears and the front sensor. The usual vendors can set you up with these parts as well as sensor extension harnesses.

Injectors and stuff connect-ability depends on the type of intake manifold you bolt on-not the engine block.

More here:

https://ls1tech.com/forums/generatio...-ls2-swap.html
thanks for all the info.....thanks to everyone else too.....so what all would it take to make a 402? just a different crank or what?

Originally Posted by COPO9560
Why not consider an LS3? More power available with stock heads down this route than with LS2. Intake also better and does not need FAST ($$$) to achieve your goals.
idk i think im just gonna stick with an ls2 of some sort
Old 09-12-2011, 03:18 PM
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Im interested to see the outcome. what are the specs on your current motor? what numbers are you putting down?
Old 09-12-2011, 03:30 PM
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Originally Posted by ryanzcastro
Im interested to see the outcome. what are the specs on your current motor? what numbers are you putting down?
itll prob be a while lol.....gotta pay a dude 3400 bucks for the car to be paid off and pay off some debts.....then get a geo metro or something lol and prob a truck....hope to start the build in about a yr.....the current motor is pretty much stock except for from what i was told by guy i got it from ls6 intake, built t56 with heavy duty springs and synchros, hooker LTs, no cats, cutout, and what i believe to be is slp lm of some sort, whatever it came with......i think its putting about 360-370 to the wheels not real sure

Last edited by 2000SSMAN; 09-12-2011 at 03:39 PM.



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