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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 12-04-2008, 07:26 PM   #1
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Possibly plans w/ intake

Ok, so i've been looking around @ GMPP and such, and i'm mentally building/modding my engine

they have a carb manifold/cam LS engine thats supposed to put out 515HP

i figure, i can get both those done at a GMPP dealership and still maintain warranty (HUGE PLUS)

they also have the same manifold ported with injector bosses (for EFI or nitrous) sooo, i can keep my EFI, and have the classic options of old style carb intake/on top port (never been a big fan of standard EFI intakes)


my specific plans for what kinda intake are going to be kept secret until i get it all finalized

should look like this
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Old 12-04-2008, 10:18 PM   #2
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You won't keep your warranty. There are a number of things wrong with your idea. You're gonna have to SD tune when you delete your MAF, which this intake forces. That on its own forces you to go to the aftermarket. You'll also have to run a throttle cable because the LS3 TB is drive-by-wire. I doubt it'll flow better either. And so on and so forth.



Cliff notes - No. Just no. If you're going to mod your car to make decent power, be prepared to forfeit your warranty. And you are really only looking to make 515 crank, (about 440whp) you can do that with a middle of the road cam and headers. Wanna make 470-480, clean up the heads and stock intake. The setup you propose will void your warranty regardless and give you infinitely more headaches/higher bills than this.
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Old 12-04-2008, 11:00 PM   #3
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It would be a cold day in hell before they kept your warranty intact with that. Seems like a LOT of work for 90 more HP which you could get with a cam and headers. Aside from the fact the systems are so integrated that eliminating the stock fuel system will likely give the car a heart attack.
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Old 12-04-2008, 11:04 PM   #4
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they wont let you keep you warrenty
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Old 12-05-2008, 07:48 AM   #5
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Originally Posted by LSxJunkie View Post
You won't keep your warranty. There are a number of things wrong with your idea. You're gonna have to SD tune when you delete your MAF, which this intake forces. That on its own forces you to go to the aftermarket. You'll also have to run a throttle cable because the LS3 TB is drive-by-wire. I doubt it'll flow better either. And so on and so forth.



Cliff notes - No. Just no. If you're going to mod your car to make decent power, be prepared to forfeit your warranty. And you are really only looking to make 515 crank, (about 440whp) you can do that with a middle of the road cam and headers. Wanna make 470-480, clean up the heads and stock intake. The setup you propose will void your warranty regardless and give you infinitely more headaches/higher bills than this.

^yep, much better option. though (of the intake)
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Old 12-05-2008, 10:22 AM   #6
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I'm not sure why it would void the warranty when GMPP sells this engine

http://www.gmperformanceparts.com/En...1225&engCat=ls

it states that its 'an upgraded LS3", with their(GMPP) parts and their techs i assumed they could upgrade MY ls3 and it wouldn't be a problem

as for the power factor - i'd do this mod mainly for personal style and preference, the performance increase is a big incentive/perk though.
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Old 12-05-2008, 10:35 AM   #7
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I'm not sure why it would void the warranty when GMPP sells this engine

http://www.gmperformanceparts.com/En...1225&engCat=ls

it states that its 'an upgraded LS3", with their(GMPP) parts and their techs i assumed they could upgrade MY ls3 and it wouldn't be a problem

as for the power factor - i'd do this mod mainly for personal style and preference, the performance increase is a big incentive/perk though.
That engine though is identical to the one in the car from the factory aside from the cam and carb intake. So just get a GMPP cam, and get the intake (I'm sure they sell it seperately) and youre set... I mean youre going to spend $10,000 on the same thng thats already in your car. HOWEVER that custom style fuel system, I know will drive the car nuts and probably require some custom setup to get everything to work (or putting a carb on? I didn't quite get exactly your meaning there). Rememebr you need to hook up the MAF, IAT, and things like that in there, as well as the electronic throttle control. Theres no way in the world stock parts would work with that. And GMPP already says only certain updates will not void your warranty.

I can't imagine any way in the world they would ever warranty something like that.
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Old 12-05-2008, 11:07 AM   #8
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they warranty the crate engine, i think i'll email them and ask if they'll warranty the upgrade considering its essentially the same thing.

Quote:
L76/L92 4-Barrel Intake Manifold
GM Racing design for use on 'as-cast' rectangle port Gen IV cylinder heads
As-cast design requires no porting for maximum performance
Includes mounting bolts and instructions
Uses L92/LS3 carb intake gasket set P/N 19172114
Machined for 4150-style carburetors and has 3/8' NPT vacuum boss
Also available with injector bosses P/N 25534416

Note: LSX Ignition Controller P/N 19171130 is required for carbureted applications.
would the LSX ignition controller bypass the MAF? (which most likely not exist anymore.)

I would still have a throttle body if i use the fuel rails into the injection bosses, but a 4bbl style instead.
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Old 12-05-2008, 11:11 AM   #9
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Quote:
Originally Posted by Chewy View Post
they warranty the crate engine, i think i'll email them and ask if they'll warranty the upgrade considering its essentially the same thing.



would the LSX ignition controller bypass the MAF? (which most likely not exist anymore.)

I would still have a throttle body if i use the fuel rails into the injection bosses, but a 4bbl style instead.
the only reason they warranty that motor is because they dont sell alot of them and they Build the engine themselves so they know it is done right.
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Old 12-05-2008, 11:25 AM   #10
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Are we talking vehicle warranty or engine warranty? If you're talking vehicle warranty, I'm with everyone else saying no, you do that stuff in your new Camaro, you can kiss the warranty good-bye. If you're just talking about swapping a LS3 for a crate LS3, then sure, you'll have the engine warranty, but that'll be limited to whatever parts GM approves for that engine. I'm with a mild cam and LTs and call it a day. If you're just trying to be different, yeah, you're doing it, but at no real benefit other that cosmetically. Hey, it's your car, and if that's what you think is best for you, then atta' boy
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Old 12-05-2008, 11:34 AM   #11
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not a whole engine swap. just a couple GMPP upgrades. if you get the hot cam does your camaro retain vehicle warranty? i just want that and one other lil modification from GM

if i can't keep warranty than i guess my plans will be on hold for a while - but i do plan on doing this eventually (and yes Radz28, mostly for cosmetics and to set myself apart)

i think its funny how camaro guys look down on a 'measly 85hp gain at the crank", when people with the same BMW as me spend $1000+ to get MAYBE 25hp gain. these cars have so much more potential and much cheaper to mod
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Old 12-05-2008, 11:47 AM   #12
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Quote:
Originally Posted by Chewy View Post
not a whole engine swap. just a couple GMPP upgrades. if you get the hot cam does your camaro retain vehicle warranty? i just want that and one other lil modification from GM

if i can't keep warranty than i guess my plans will be on hold for a while - but i do plan on doing this eventually (and yes Radz28, mostly for cosmetics and to set myself apart)

i think its funny how camaro guys look down on a 'measly 85hp gain at the crank", when people with the same BMW as me spend $1000+ to get MAYBE 25hp gain. these cars have so much more potential and much cheaper to mod
you loose your drivetrain warranty but keep everything else
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Old 12-05-2008, 11:54 AM   #13
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Quote:
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you loose your drivetrain warranty but keep everything else
with a hot cam? that blows
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Old 12-05-2008, 12:09 PM   #14
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You're silly. Silly guy.
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Old 12-05-2008, 12:39 PM   #15
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Yes, any cam, fuel system, aftermarket tune will void the warranty. Don't worry about what others think of your plans, do what makes you happy. With that said your stock intake will support 500+HP, but the ASA cam they use is a pain in the arse to try and tune for fuel injection so they went carb. The warranty on a GMPP motor just covers the motor but when you change parts on a factory motor it can affect the whole drive train so GM has to draw the line somewhere.
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Old 12-05-2008, 12:47 PM   #16
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Yes, any cam, fuel system, aftermarket tune will void the warranty. Don't worry about what others think of your plans, do what makes you happy. With that said your stock intake will support 500+HP, but the ASA cam they use is a pain in the arse to try and tune for fuel injection so they went carb. The warranty on a GMPP motor just covers the motor but when you change parts on a factory motor it can affect the whole drive train so GM has to draw the line somewhere.
ahh, thnx for the info. i really don't want to throw my warranty out the window, but 5 years is a long time to try adn be patient

we'll see how it goes. thanks for the input everyone!
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Old 12-05-2008, 01:43 PM   #17
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If you wanna know how bad they are about modding engines killing your warranty: I have a 07 pont G5. I ordered a GM Performance air intake from the dealer a week after i bought the car. A year later, my engine light came on, found out one of the clamps wasn't tight enough, I got a bill for 1hr labour (for diagnostic and like, 30 mins of turning a screwdriver maybe? Don't know how they stretched tightening a hose clamp into an hour, but I digress.)
Was told, it's modified, anything involving this part is not under warranty. And that was just for a bolt on, never mind switching throttle wires and stuff. Dealer basically told me I was lucky it was just an intake. Any mod that involves actually opening anything up in the engine = void powertrain warranty.
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Old 12-05-2008, 02:14 PM   #18
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QUOTE=Robert91RS;209565]Yes, any cam, fuel system, aftermarket tune will void the warranty. Don't worry about what others think of your plans, do what makes you happy. With that said your stock intake will support 500+HP, but the ASA cam they use is a pain in the arse to try and tune for fuel injection so they went carb. The warranty on a GMPP motor just covers the motor but when you change parts on a factory motor it can affect the whole drive train so GM has to draw the line somewhere.[/QUOTE]



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If you wanna know how bad they are about modding engines killing your warranty: I have a 07 pont G5. I ordered a GM Performance air intake from the dealer a week after i bought the car. A year later, my engine light came on, found out one of the clamps wasn't tight enough, I got a bill for 1hr labour (for diagnostic and like, 30 mins of turning a screwdriver maybe? Don't know how they stretched tightening a hose clamp into an hour, but I digress.)
Was told, it's modified, anything involving this part is not under warranty. And that was just for a bolt on, never mind switching throttle wires and stuff. Dealer basically told me I was lucky it was just an intake. Any mod that involves actually opening anything up in the engine = void powertrain warranty.
Hmm... that's a little worrisom. Did you install the system or did the dealer, because I could almost see how they would charge you for diagnostic time and the one minute of labor it would've taken to tighten that clamp, but it seems a little much. I'd have thunk they could've scanned the engine for the code; maybe they had to troubleshoot for a while, because I can see how that could happen. At least with the current GMPP parts, installation is included so there won't be problems with that
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Old 12-05-2008, 02:17 PM   #19
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they always charge by the whole hour for shop time. even if it takes 10 minutes. its how shops work. finding one that doesnt work tha way is very rare.
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Old 12-05-2008, 02:37 PM   #20
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If you want to swap intakes, put a Magnacharger in place of the stock intake or the cam and LTs like everyone else.
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Old 12-05-2008, 03:15 PM   #21
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ahh, thnx for the info. i really don't want to throw my warranty out the window, but 5 years is a long time to try adn be patient

we'll see how it goes. thanks for the input everyone!
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Old 12-05-2008, 06:29 PM   #22
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If you want to swap intakes, put a Magnacharger in place of the stock intake or the cam and LTs like everyone else.


It looks even cooler, shouldn't take as much to get it running right and will certainly add more than 85hp.
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