We want change...
So... I say we start a letter campagian and get them to start paying attention.
Look, Mr. GM, I feel put off by the lack of support you are showing the LS4 vehicles and while I have been a faithful GM buyer... I may have to go to a brand that better supports their vehicles like Ford, and Dodge. I bought an SS model because at one time that meant something. It meant GM was going to flood the market with product, and/or lend support to aftermarket companies to produce products for their SS models. The LS4 group is NOT being supported and it is a crying shame. Blah, blah, blah... better wording, grammer, etc.
But we need to wake them up to the fact that there are enough LS4 owners (with money), that they need to step up to the plate or risk losing their future business.
I will find the address to their Marketing, Executive Offices. One letter marked in bold letters "WE WANT SUPPORT", may not mean anything, but if they suddenly get 100s it will draw their attention. What do you say?
the only way I even found out about it was browsing chevrolet.com's site.... nothing on TV, nothing in print, etc etc...
06MonteSS / DiabLew Tune

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It's all profit for them and they make products for cars that sell better. Do you think DS would have waited this long to come out with tranny support for the new Mustang?
I'm not sure what you are wanting. There is a turbo kit that is just being released to market. Headers will come sooner or later (in fact you could probably get a set made now if you want to put a little money in). Fairly reasonable cams from LSx motors will work. Rockers have been installed. Intake manifold could use some work and hasn't been addressed at this point. Alot of the current LSx internal parts will work.
In fact, I'm guessing there are enough parts available to break the tranny several times. And of course, the parts are there to fix the tranny.
My point is, you may need to state what you need by support. I think you would have alot more success with your campaign.
Chip
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There are lots of parts available, you just have to decide what you are looking to do.
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And no you cannot use the crank or cam or most other parts from the LSx family. I believe it is on one of the Stickys on this site that talks about the LS4 being a VERY UNIQUE motor because it was based on the LS6, but they had to modify it to turn it sideways -- such as making the cam, crank, block shorter (12mm to 18mm??). So a LS6 cam is not slipping into an LS4. So everything is a little different in the LS4. Ok, you could possibly use the same lifters and springs... maybe.
I want GM to step up to the plate! They designed this thing and the SS trim level in the past meant it was going to be supported fully my GM and GM Performance Group. The thing is, they made it FWD! Who uses a FWD in auto racing. It is simply easier, cheaper, and effecient to maintain a RWD race. So by their own design we GET SCREWED!
No offense to cobalt drivers, as their cars are decent, but why does the domestic "rice" solution get special treatment? Well I know why...because cobalts are much more popular...more of a rhetorical question. You'd just think that american "muscle" would get such attention. Nevertheless...maybe you if you actually advertised monte's.....eh....nevermind. Stupid GM.
Why I'm even considering another GM (G8) is beyond me. At least they're doing something right by bringing over some stick RWD love. I'm just pissed that they're one generation too late. An '06 monte with RWD and stick (or even auto) is my dream car.
Last edited by hexxLS4; Oct 5, 2007 at 09:09 AM. Reason: formatting
GM already limits torque and power in the drivetrain (likely for durability reasons), why would they offer accessories that increase that power? They would lose more in warranty work then gained in profit from the sales if the drivetrain is not robust to take the power that an unrestricted engine would produce, besides the LS4 cars are not meant to be the boy-racer-specials. Most people who own one are like me, wanted a middle-of-the-road cost, decently powered car that can be driven in the snow. The younger crowd that prizes speed above refinement (and who does not as of yet bring in the big paychecks) are more likely to buy cheaper cars and upgrade them depending on how much tip money they get from delivering pizza that week.
Jack Roush rebuilt my Mustang's Motor & trans, and it took me almost a year to pay him off. Wayne Motors did the suspension & rearend. I promise you... the price tag - wasn't cheap.
What you say about cobalts vs montes makes sense...I was just ranting. The fact of the matter is....if they built an SS the way it SHOULD have been built, it'd be capable of safely adding additional power.
Now.. my only complaint is that the trans is not aggressive enough and the 2nd to 3rd shift is a joke. Also, I wish GM would have given us some kind of a performance
button for the trans like the older GTP's had. This is what Tapshit mode should have been used for since it does practically nothing!
It pisses me off that the 5.3 truck motors are rated at 315hp what gives? I think the drive train is plenty of strong and should be good for 400hp.
Now.. If you guy's want support then buy a Mustang, I test drove a GT and I wasn't all that impressed. With 3.55's 3rd to 4th felt like a real dog and traction wasn't all that good either. The interior wasn't all that exciting but I did like the insterment cluster, but the GXP's is much more exciting! RWD is where it's at and always will be.
At least GM gave us a V8! Don't we have one of the highest HP rated FWD's?
And no you cannot use the crank or cam or most other parts from the LSx family. I believe it is on one of the Stickys on this site that talks about the LS4 being a VERY UNIQUE motor because it was based on the LS6, but they had to modify it to turn it sideways -- such as making the cam, crank, block shorter (12mm to 18mm??). So a LS6 cam is not slipping into an LS4. So everything is a little different in the LS4. Ok, you could possibly use the same lifters and springs... maybe.
I want GM to step up to the plate! They designed this thing and the SS trim level in the past meant it was going to be supported fully my GM and GM Performance Group. The thing is, they made it FWD! Who uses a FWD in auto racing. It is simply easier, cheaper, and effecient to maintain a RWD race. So by their own design we GET SCREWED!
GM has a "cookbook" out that shows what to do to beef up the trans. As mentioned before, there are W-bodys with this same style trans (different case, same style internals) running quite a bit of horsepower (10's and 9's in the quarter).
And I guess in a way, they are fixing the FWD problem. 2008, 2009, and 2010 will bring out the Zeta cars (G8, Camaro, and RWD Impala).
Chip
Last edited by ChipC; Oct 6, 2007 at 12:21 AM.






