LSJ and 2.2 Short Block - Cobalt SS Network



2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque
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Old 12-21-2009, 03:03 PM   #1
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LSJ and 2.2 Short Block

Are they interchangeable. I was under the impression they were, and bought a 2.2 block, but if they aren't im going to take it back. Just the short block, i know the pistons and things are different but all thats being swapped out.
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Old 12-21-2009, 04:58 PM   #2
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the short block includes pistons...?
they use different crank wheels, different cranks, different rods/pistons, and have a different casting, since the LSJ has piston oil squirter jets cast in. Im sure theres more
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Old 12-21-2009, 05:25 PM   #3
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okay but im taking the crank pistons rods everything out. Can i take and build it with lsj parts and put an lsj head on it?
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Old 12-21-2009, 05:39 PM   #4
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yes if you have deep pockets
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Old 12-21-2009, 05:39 PM   #5
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are you asking if they literally bolt up? I'm *pretty* sure.
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Old 12-22-2009, 02:10 AM   #6
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yes if you have deep pockets
thank you, this is what i thought, and will be happening.
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Old 12-22-2009, 03:58 AM   #7
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essentially they are the same, but there are many differences.

Even if you stuff an LSJ crank/rods/pistons into a 2.2 block, you won't have the oil cooler like the LSJ has. The LSJ head will bolt onto the block, make sure you use the right crank sensor for the right crank. If you use the LSJ crank, then get an LSJ crank sensor. If you use the 2.2 crank, then get the 2.2 sensor as the counters are different.

Whatever you use, I would go ahead and sleeve the block. That's cheap insurance in the long run.
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Old 12-22-2009, 12:24 PM   #8
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essentially they are the same, but there are many differences.

Even if you stuff an LSJ crank/rods/pistons into a 2.2 block, you won't have the oil cooler like the LSJ has. The LSJ head will bolt onto the block, make sure you use the right crank sensor for the right crank. If you use the LSJ crank, then get an LSJ crank sensor. If you use the 2.2 crank, then get the 2.2 sensor as the counters are different.

Whatever you use, I would go ahead and sleeve the block. That's cheap insurance in the long run.
yeah i know i need to replace the crank sensor, i plan on using a LSJ crank. Do i even need the oil squirters? It will be sleeved, heres my parts list.

Stock crank (as long as its usable)
Darton Sleeves
Diamond forged pistons ups the compression to 10:1 or 10.5:1 (suggestions please)
Carillo H beam rods
Another stock head that will be P&P
Neutral Balance shafts
Rings
Supertech valves
ARP Studs
Supertech 78 lbs valve springs
Exeedy Hyper single clutch
JBP Cams
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Old 12-22-2009, 01:07 PM   #9
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I'm not 100% positive, but I think the 2.2 also has oil squirters.

what the hell did you do to your stock engine?
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Old 12-22-2009, 01:09 PM   #10
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Hmmm...sub'd cause our cars are twins and im hoping when you go tvs you give your twin some good deals on your old parts
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Old 12-22-2009, 02:44 PM   #11
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High Dollar Build... Good Luck!

Question though.. if you're dropping all that cash (Carrillo Rods especially).. Why not start with the right block?
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Old 12-22-2009, 03:02 PM   #12
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i wouldent use jbp for **** even if it was free
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Old 12-22-2009, 03:26 PM   #13
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As far as using the LSJ crank/rods/pistons.. didnt see it mentioned, make sure the cylinders for the 2.2 block match the 2.0 block. I dont know the dimensions but something I would personally check.. But with the stroke difference, you want to make sure that the pistons arent pulled too far down. when at the bottom of the stroke. Also wanna make sure that TDC is correct in correspondence to the deck height. They may be identical in this case, with the internals removed, but always good to check..
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Old 12-22-2009, 04:44 PM   #14
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Quote:
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As far as using the LSJ crank/rods/pistons.. didnt see it mentioned, make sure the cylinders for the 2.2 block match the 2.0 block. I dont know the dimensions but something I would personally check.. But with the stroke difference, you want to make sure that the pistons arent pulled too far down. when at the bottom of the stroke. Also wanna make sure that TDC is correct in correspondence to the deck height. They may be identical in this case, with the internals removed, but always good to check..
theyre identical across all blocks except the 2.4l blocks, which use a larger bore (2mm larger)
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Old 12-22-2009, 06:07 PM   #15
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Quote:
Originally Posted by ralliartist View Post
I'm not 100% positive, but I think the 2.2 also has oil squirters.

what the hell did you do to your stock engine?
Absolutely nothing, its whats gonna happen to my engine when the stuff in my sig goes in and im making over 400 whp.

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Hmmm...sub'd cause our cars are twins and im hoping when you go tvs you give your twin some good deals on your old parts
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High Dollar Build... Good Luck!


Question though.. if you're dropping all that cash (Carrillo Rods especially).. Why not start with the right block?
Thanks, I cant find the right block around me, and i found this 2.2 thats in perfect condition with crank and everything i can sell out of it for just 150.

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i wouldent use jbp for **** even if it was free
Ill remember that.

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As far as using the LSJ crank/rods/pistons.. didnt see it mentioned, make sure the cylinders for the 2.2 block match the 2.0 block. I dont know the dimensions but something I would personally check.. But with the stroke difference, you want to make sure that the pistons arent pulled too far down. when at the bottom of the stroke. Also wanna make sure that TDC is correct in correspondence to the deck height. They may be identical in this case, with the internals removed, but always good to check..
alright will do.
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Old 12-22-2009, 07:02 PM   #16
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2.2 blocks dont have oil coolers OR piston cooling jets.
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Old 12-22-2009, 07:10 PM   #17
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2.2 blocks dont have oil coolers OR piston cooling jets.
do i need these?
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Old 12-22-2009, 07:12 PM   #18
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do i need these?
need? no. do you want them? yes
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Old 12-22-2009, 07:19 PM   #19
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Yes you definitely want them. The 2.2 is the only engine that doesnt have the squirters....that should tell you something.

As far as the oil cooler goes? thats actually debateable, the biggest issue is youd have to delete all the cooling hoses for it, not really a big deal, but just something youd have to do.

An LE5 block would be a better choice, they are cheap too, have piston jets, early ones have the cooler,and then youd have a 2.1L
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Old 12-23-2009, 04:48 AM   #20
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Yes you definitely want them. The 2.2 is the only engine that doesnt have the squirters....that should tell you something.

As far as the oil cooler goes? thats actually debateable, the biggest issue is youd have to delete all the cooling hoses for it, not really a big deal, but just something youd have to do.

An LE5 block would be a better choice, they are cheap too, have piston jets, early ones have the cooler,and then youd have a 2.1L
2.1L could be a fun motor.
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Old 12-23-2009, 06:26 AM   #21
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2.1L could be a fun motor.
hmm, what kind of cars did they come out of, ill look into them. Would they use the same pistons and hardware as the 2.0s?
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Old 12-23-2009, 10:40 AM   #22
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2.2 block lacking the oil cooler isnt a big deal because you can always hook up an external one if you want one... the piston oil squirters are certainly a good thing to have though. People do build 2.2s and other motors that dont have these, so no, its not the end of the world. However, if you started with the 2.0 block, I personally wouldn't want to "downgrade" and lose some of the benefits it has to offer.
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Old 12-23-2009, 11:09 AM   #23
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hmm, what kind of cars did they come out of, ill look into them. Would they use the same pistons and hardware as the 2.0s?
2.4s? thy came in all sorts of **** Ion, Cobalt, G5, Malibu, G6, Soslstice, Sky.......

You would need custom pistons. The 2.4 has a larger bore.
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Old 12-23-2009, 11:17 AM   #24
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2.4s? thy came in all sorts of **** Ion, Cobalt, G5, Malibu, G6, Soslstice, Sky.......

You would need custom pistons. The 2.4 has a larger bore.
I think he was asking about a 2.1 which was mentioned..
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Old 12-23-2009, 11:39 AM   #25
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I think he was asking about a 2.1 which was mentioned..
A 2.1 is what you get if you stick an LSJ crank into an LE5 block.
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