2.0L LNF Performance Tech 260hp and 260 lb-ft of torque Turbocharged tuner version.

Putting an LNF engine in a LSJ cobalt: Is it feasible?

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Old Sep 8, 2009 | 07:47 PM
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Putting an LNF engine in a LSJ cobalt: Is it feasible?

I'm sure this question has been asked before, but search has failed me, so...

Can a LNF engine be put in a Cobalt with an LSJ without significant modification?
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Old Sep 8, 2009 | 07:49 PM
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i have only heard of one person doing it....i believe his name is silverbullet

https://www.cobaltss.net/forums/show...part+cobalt+ss

Last edited by mrsilent13; Sep 8, 2009 at 07:49 PM. Reason: Automerged Doublepost
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Old Sep 8, 2009 | 07:50 PM
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so you want to know if you can put a cobalt engine in a cobalt?
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Old Sep 8, 2009 | 07:54 PM
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^hahaha
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Old Sep 8, 2009 | 07:55 PM
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Originally Posted by XStylus
I'm sure this question has been asked before, but search has failed me, so...

Can a LNF engine be put in a Cobalt with an LSJ without significant modification?
yes, you simply need some duck tape, bubble gum, plasma cutter and beer
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Old Sep 8, 2009 | 07:55 PM
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uhhh. . . . why?
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Old Sep 8, 2009 | 07:56 PM
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Originally Posted by exiged
uhhh. . . . why?
moar power
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Old Sep 8, 2009 | 07:59 PM
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I am the first person to do the swap. Took me and 2 other techs 2 nights of hard work. The only possible way to do it is to purchase a wrecked LNF like i did and start swapping. Every thing has to be swapped. The harness goes from the front of the car to the tail lights. all the dash harnesses need to be swapped as well so that means you have to pull the dash out, seats, and carpet. both bake and clutch assymlys must be swapped along with the brake booster and resivior. the brake lines are actually different so they need to be swapped as well. That is a quick over view. there are many other parts in this swap as well. I believe it was well worth going turbo but i would have saved alot of time and hassel just building the LSj and going turbo. But at the end of the day you have something unique that no one has ever done
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Old Sep 8, 2009 | 08:02 PM
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Originally Posted by silverbullet08
I am the first person to do the swap. Took me and 2 other techs 2 nights of hard work. The only possible way to do it is to purchase a wrecked LNF like i did and start swapping. Every thing has to be swapped. The harness goes from the front of the car to the tail lights. all the dash harnesses need to be swapped as well so that means you have to pull the dash out, seats, and carpet. both bake and clutch assymlys must be swapped along with the brake booster and resivior. the brake lines are actually different so they need to be swapped as well. That is a quick over view. there are many other parts in this swap as well. I believe it was well worth going turbo but i would have saved alot of time and hassel just building the LSj and going turbo. But at the end of the day you have something unique that no one has ever done
wow that is a **** load of work....
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Old Sep 8, 2009 | 08:05 PM
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Why would you want to spend a **** ton of money to throw a stock turbo engine into an SS/SC when for nearly the same amount of money you can convert it to turbo and make the same power?
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Old Sep 8, 2009 | 08:06 PM
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Originally Posted by mrsilent13
moar power
oh mai bad
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Old Sep 8, 2009 | 08:11 PM
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unless you're getting it for next to nothing, not worth it. By the time you buy an engine and everything needed, and either do the swap or pay someone to do it, you would have been better off building your current engine with a turbo.
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Old Sep 8, 2009 | 08:11 PM
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Originally Posted by Spectral
Why would you want to spend a **** ton of money to throw a stock turbo engine into an SS/SC when for nearly the same amount of money you can convert it to turbo and make the same power?
Probably because its never been done before.... and its a basic stock set up that will have no where near the problems a LSJ turbo would.... kinda makes sense to me. Plus i got a lsd tranny, axle upgrade, brake upgrade, NLS "which only comes with the swap", 08 seats, and abuch of other little parts. and again its one of a kind
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Old Sep 8, 2009 | 08:14 PM
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Originally Posted by silverbullet08
Probably because its never been done before.... and its a basic stock set up that will have no where near the problems a LSJ turbo would.... kinda makes sense to me. Plus i got a lsd tranny, axle upgrade, brake upgrade, NLS "which only comes with the swap", 08 seats, and abuch of other little parts. and again its one of a kind
a properly built lsj will not have problems.
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Old Sep 8, 2009 | 08:29 PM
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Originally Posted by EXsoccer1921
so you want to know if you can put a cobalt engine in a cobalt?
Funny you should ask. No, actually. I'm hypothetically investigating whether it's possible to put an LNF in a Saab 9-3.

Assuming that the LK9 and LSJ are interchangable with minimal to moderate modification since they're effectively the same engine, it stands to reason that if the LNF and LSJ are interchangeable, then perhaps one could be fitted in a Saab. Obviously the Saab forums wouldn't know anything about the LNF, so I'm asking here.

I don't own a Saab, but it was just a crazy idea I thought to ask.

Originally Posted by silverbullet08
I am the first person to do the swap. Took me and 2 other techs 2 nights of hard work. The only possible way to do it is to [do an insane ass-ton of work]. But at the end of the day you have something unique that no one has ever done
Wow.

Saab 9-3 LNF project: Stillborn.

Last edited by XStylus; Sep 8, 2009 at 08:29 PM. Reason: Automerged Doublepost
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Old Sep 8, 2009 | 10:10 PM
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Originally Posted by Spectral
Why would you want to spend a **** ton of money to throw a stock turbo engine into an SS/SC when for nearly the same amount of money you can convert it to turbo and make the same power?
The car was only crashed from one side around the door so he can sell and the cobalt parts and make his money back easy and probally profit out of it. If I had a lsj I would do the same thing. I mean why start all over with payments with a new car.
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Old Sep 8, 2009 | 10:31 PM
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Originally Posted by silverbullet08
I am the first person to do the swap. Took me and 2 other techs 2 nights of hard work. The only possible way to do it is to purchase a wrecked LNF like i did and start swapping. Every thing has to be swapped. The harness goes from the front of the car to the tail lights. all the dash harnesses need to be swapped as well so that means you have to pull the dash out, seats, and carpet. both bake and clutch assymlys must be swapped along with the brake booster and resivior. the brake lines are actually different so they need to be swapped as well. That is a quick over view. there are many other parts in this swap as well. I believe it was well worth going turbo but i would have saved alot of time and hassel just building the LSj and going turbo. But at the end of the day you have something unique that no one has ever done

Much respect for you and your friends and I commend your hard work. But to the OP... Leave engine swaps for the Honda boys. The only advantage they had was a more powerful engine in a much lighter body.
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Old Sep 8, 2009 | 10:33 PM
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Originally Posted by D4u2s0t
a properly built lsj will not have problems.
I'v got 23,000 mi on my build @ 20+psi, Daily.
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Old Sep 9, 2009 | 02:13 AM
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silverbullet did it the hard way, and is not the first to swap.

the grand am cup cars are lsj based vehicles. they all ran lsj engines last year. now they have to conform to rules and run production engines. so they swapped in lnf's, run off the stock lsj ecm with a piggy back tied into it to run the lnf.
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Old Sep 9, 2009 | 03:07 PM
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how is it possible that the lsj pcm can run vvt and direct injection?
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Old Sep 9, 2009 | 03:12 PM
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You must have missed the piggyback part of that post.
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Old Sep 9, 2009 | 03:33 PM
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Originally Posted by JohnnySasakiMGS
Leave engine swaps for the Honda boys. The only advantage they had was a more powerful engine in a much lighter body.
Seems like quite an advantage to me... (Less weight + more power) x driver skillz = FTW.
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Old Sep 9, 2009 | 03:45 PM
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keep the engine a do some crazy honda-chevy built! get a 92 CRX and put the LNF engine with 350whp!!! now that would b fast! :P
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Old Sep 9, 2009 | 06:28 PM
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Originally Posted by cardelino18
keep the engine a do some crazy honda-chevy built! get a 92 CRX and put the LNF engine with 350whp!!! now that would b fast! :P
the honda ppl would probably be pissed that you used a cobalt engine instead of the B18c or k20 swap lol oh well. it'd be kinda funny
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Old Sep 9, 2009 | 06:31 PM
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Originally Posted by cardelino18
keep the engine a do some crazy honda-chevy built! get a 92 CRX and put the LNF engine with 350whp!!! now that would b fast! :P
Ecotak yo!

Originally Posted by oopsitouchedmyself
the honda ppl would probably be pissed that you used a cobalt engine instead of the B18c or k20 swap lol oh well. it'd be kinda funny
Yeah they would be pissed except when they realize that TORQUE actually matters...

Last edited by JohnnySasakiMGS; Sep 9, 2009 at 06:31 PM. Reason: Automerged Doublepost
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