Aftermarket Turbo

[Justinreed7]

Driver preference I guess. But once again I talked to ZZP yesterday, keep in mind I want a reliable 300hp that lasts and is cheap, they hands down recommend the LNF. With barely and mods you're getting 300 from a stock 2.0 turbo.

They did say that for big numbers and extreme mods the LSJ is better. But those extreme mods carry extreme price tags.

With the LNF I can run it for 100k miles until it croaks, then I can get a high performance crate motor from ZZP for $1900 and do it all over again.

2008-2010 Cobalt SS is what I'm after, but hey the more of you that pursue the supercharged cars over turbo, the cheaper I can score my model!

Agree 100%. Although a high performance short block starts at 4K. A crate motor for 1900 is just a new stock engine. Although the stock engines can hold some serious power for stock

 

[SinisterSF]

Agree 100%. Although a high performance short block starts at 4K. A crate motor for 1900 is just a new stock engine. Although the stock engines can hold some serious power for stock

The 1900 crate motor is the euro motor, better journals and a few other advantages over the US engine. Not near their super duper engine at all but a great option to making any repairs on a stock motor.

 

[SinisterSF]

Here's the euro motor that is a direct bolt in replacement for the LNF in case you guys wanna read up on the specs. It'd be cheaper than a short block rebuild so it's certainly the way to go.

http://zzperformance.com/ecotec/engine/ldk-long-block.html

 

[Justinreed7]

If you have the LNF or LSJ you don't need a rebuild if you want anything under 450whp. Only the 2.2 and 2.4 guys will need rebuilds for some serious hp.

 

[smithvmi]

What can the base five speed trans handle?

 

[SinisterSF]

If you have the LNF or LSJ you don't need a rebuild if you want anything under 450whp. Only the 2.2 and 2.4 guys will need rebuilds for some serious hp.

I meant a mileage rebuild. Eventually the motor is going to require a refreshing, A full rebuild often costs more than 2k, I'm just saying the crate engine is my answer for that.

 

[TheNuker]

What can the base five speed trans handle?

That is what I am wondering also, I'm shooting for an LSJ at 300WHP. I plan to change the clutch and flywheel out but not sure about the transmission. It is the F35 on the 07 cobalt SS LSJ right?

Nuker-

 

[Justinreed7]

That is what I am wondering also, I'm shooting for an LSJ at 300WHP. I plan to change the clutch and flywheel out but not sure about the transmission. It is the F35 on the 07 cobalt SS LSJ right?

Nuker-

The f35 transmission is fine with anything below 400whp/400tq. I started having tranny issues when I was launching under boost with drag radials at 500+who. I went through two transmissions in four months then decided to upgrade to the f40 6 speed swap from a 2011 up regal gs. As for the clutch and flywheel, I highly recommend the gmpp clutch from crate engine depot. For the price you simply can't beat it.

 

[JSATX]

For anyone else who might happen on this thread at a later date. The GM recommended after market turbos are:

400-600hp
Borg Warner AirWerks S200 (part number 317222)
Garrett GT 35R
Turbonetics T3/T4 Hybrid

600-1000hp (as if)
Borg Warner AirWerks S400SX, 71mm (part number 177248)
Borg Warner AirWerks S400SX, 74mm (part number 177101)
Garrett GT 40R

and theres more but not even worth posting...

I have also heard good things about the Precision LNF direct replacement turbo, its one of the cheaper options.
http://www.precisionturbo.net/turbochargers/factory-upgrade/details/Factory-Upgrade-Turbocharger---GM-LNF-Equipped-Vehicles/265

For those (like me) planning on an aftermarket turbo set up later on down the road, I have found more good install information on the Polaris Slingshot forums than I ever found on any of the Cobalt forums.