has anyone ever put the lsj or lnf pistons and rods in the 2.2? i know it would destroke it, but wouldnt that lead to safe higher revs? also, stock upgrade is less expensive than aftermarket. i plan on doing a mild turbo build on my 2.2 (because it has almost 120k miles on it) and im on a very strict budget. but basically, i could get around 350 whp with the factory internals setup, right?

 

https://www.cobaltss.net/forums/2-2l...ability-58013/


lnf internals, no. Atleast not the pistons. DI engine.....

 

The stock bottom end is good for 250HP i believe.

So you will need upgraded rods and pistons at a minimum. No the LNF parts won't work.

 

05g5, saw that thread.
The L61 is rated for 250hp I believe. Unless the lsj is the same. I'd think the lsj could take more having thicker rods and taller pistons. Am I wrong?

 

the lsj is boosted + forged internals. it will handle more.

any parts YOU are looking are gunna need to come off a LSJ

 

Like everyone else said, use LSJ internals. If you are on facebook the cobalt ss gang someone has the pistons and rods forsale.

 

I sent a request to join the group. Lsj rods and pistons are capable of 450ish hp, right?

 

Technically the lnf stuff fits too, and the DI pistons dont affect much for non DI. Somebody even ran flat top pistons for a DI build and they said nothing really changed.

Zzp sells brand new ldk pistons/rods/rings for 250$. Go for those.

 

That sounds tempting, but I'm going for price efficient and around 350whp, call said and done. So if there's not much of a difference in price, I'll go with ldk stuff to be safe.

 

LDK is direct injection I believe. Pistons won't work. They are dished for DI

 

Wouldn't dished in a non di car just lower the compression?

 

This was just addressed above. DI pistons won't change the CR much on an nonDI set up.

 

I believe the reason the DI piston are dished the way they are is for proper burn of fuel from the direct injection finer mist. .

I may be wrong. I'm not sure anyone has tried those pistons on an LSJ or 2.2 car.

 

So what the hell is the difference? Lmao
I mean, if it's the burn, I'll have 60lb injectors. Not sure if that'll be ok or not, but yea. Lol.

 

So, on the zzp website, it says the take out lnf/ldk pistons and rods will work in an lsj. Therefore, they should also work in the 2.2 engine. Correct?

 

yes... this is what i said lol

 

What about the LE5?

 

le5 has a different bore and a different length rod.

 

So no, then. Lol
What alternative upgrades do you recommend? 06 LE5 rods, forged pistons?

 

Lol. Sorry man. I'm running off 3 hours of sleep, and I'm sick. My head is not all there at the moment. Since zzp is out of stock on the ldk rods and pistons, I think I'll get some stock lsj's I found on eBay for $180. Waiting for the turbo kit is going to be the hardest part. =\

 

the lsj stock bottom end has handled 500hp

by changing the rod length you do not destroke an engine

the lsj rods are not a true forged rod they are cast then hit with a rod press a few times then the cap broken off

lsj rod is a lot shorter then the 2.2 so if you used a lsj rod and piston you will lower the compression roughly half a point or a little more a few people have done the lsj rod piston combo swap into a 2.2 years ago

 

What turbo kit did you get?

 

Haven't gotten it yet, but I'm getting the zzp bolt on for the 2.2 with the stage 3 options.

And mr.belvedere, thank you.

 

You wouldn't happen to have a link to that, would you? I can't find anything on it.

 

Do u need to use a lsj crank to for the swap?