Whats up guys im new to this forum just wanted to say whats up to all .

My d/d nsrt but im lookin into a cobalt tc as my toy for the weekends.

First question, hows the motor 2008-2010 any major difference?

any issues with the motor, how much power they can handle without building it.

Thank You guys!

 

First quarter 2009 LNF's had trouble with Pourous block issues. As long as the car isn't all modded out the dealers have been covering it under warranty.

Stock block is rated for near 700hp. Clutch is rated to about 350ft/lbs. Transmission is rated to about 400-420.

Stock pistons and rods are good to about 400whp+ as long as you aren't pushing the stock turbo out of it's efficiency range and building too much heat (ie going big turbo or meth injection instead of trying to squeak 30psi from the k04).

Welcome aboard, there's a lot of information to be found using the search function this site has to generously graced us with.

 

^^ there u go and welcum! haha

 

Welcome, MOPAR fanatic!

 

hold it what about a pourous block issue?

 

Around 20K miles, coolant starts to disappear. The blocks are cast in styrofoam and some blocks end up being porous, so the coolant leaks through the water jackets in to the oil galley.

 

For some reason, with the early 2009 LNF's, there was an issue with air getting trapped in the aluminum during the casting process, causing the block to have imperfections.

A few guys on the boards have had this issue, mysteriously losing coolant, engine running strangely. They had to fight with the dealer, but eventually had a brand new engine dropped in at GM's expense.

 

2010 is a good year? im also planning on doin ic with piping +full 3 exhaust and e85 tune and that would be on stock snail.

My srt is on stocker 93 oct 39* at 6,200 .No knock and afr are still kinda rich,made 305 nd 360 on mustang dyno and i kno cobalts love e85 ,i wonder which one would win 60 roll, what u guys think..

 

That would push you far beyond 305hp, idk about the torque though, I believe a member on her e ran a 12.9 with an intake and an e85 tune, cant remember his name, was a sedan though


Cobalts love e85 and catless downpipes

 

my srt put down only 305 on pump on mustang dyno sir.

My point was that cobalt put down 350 Whp on the same setup i have on my srt thats why im lookin into buyin one.Performance over loooks..

 

Right now my LNF sits stock intake/exhaust except an open downpipe and on e85 (20psi & 26* up top). Made 314/388 SAE corrected a couple weeks ago on a dynojet..


Would probably be very very close.

Since then, I've retuned with boost at 23psi and 28* up top. Car is pretty unweildy.

 

dyno jet vs mustang=big difference..

on that same dyno when i was on 93 i put down 270 and 319 trq brah..

just sayin

 

93 oct just exhaust and tune, stock boost 11.4 afr and 26* timing 238 whp

ppl put down 245 whp all stock no tune on dynojet ..

 

Cool story "brah"

Merely trying to have a conversation and discuss numbers, tuning and the topic you brought up.

Wasn't trying to put you down there homeslice.

 

me neither brah

 

On a completely different note, the stock high pressure fuel pump really can't keep up with e85 tunes.

The car's run amazing on the stuff, but go lean up top. Hopefully ZZP will be releasing their new pump shortly.

 

is it hard to tune em?

im thinkin about 2010 tc , how much is a good price

 

I've been tuning the LNF for about 9 months now and have a pretty good grasp on what all is going on.

Hp Tuners doesn't have a ton of tables available, so it makes it a great car to learn how to tune on.

The E69 PCM is completely torque based, so it's a bit different of a tuning style, but if one has any sort of a clue, it's pretty easy to grasp and make work.

Last March I paid 13,500 and traded in my 2002 grand am gt for my 09 coupe with 9400 miles on it. Going rate for a low milage used tc seems to be about 16,000 but I'm sure you could find a better deal somewhere.

 

All the years are good years. Just make sure it has the G85/LSD package.

RPD is always cool too.

 

any problems wit it yet? any1 over 100 k on this forum?

 

Iam_Broke, one of the more knowledgable tuners around on the forums had something like 68k on his lnf. Tuned for a good part of it I'm sure.

He had some issues with a misfiring cylinder, which I think he narrowed down to a failed injector or a coilpack, can't remember.

I've put almost 20k (26,400mi now) on the car in the year I've owned it (about 5-8 of it tuned) without (knock on wood) a single problem minus the normal rear brake problem which was replaced under warranty. I baby the car most of the time though.


2010 Cobalt SS Turbo

That's a good example of what a nice TC is going to go for.

 

I believe that was drewbroo with the sedan... thats in AZ also so it's not at sea level.

My car on E85/91 octane mix runs lean right in the middle of the torque range from about 3500 to 5500 rpm. It is a beastly car on E85 though... I would say that HP tuners is the only way to go at this point, if you are going to be modding it alot. Trifecta is pretty effective with the intake/downpipe tuning for that.

 

A full bolt on LNF on E47-E60 should make about 350whp and 400wtq on a good tune

 

It was a bad o-ring on the injector of his #3 cylinder.