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

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Old 11-05-2008, 12:15 AM   #1
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LS3/LS7 Auto ?

We've got the blues now with the SS, how about adding a box to check for LS3/auto or LS7/auto, Anybody interested in checking this box ? "COPO"
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Old 11-05-2008, 12:18 AM   #2
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Originally Posted by 69 Hugger View Post
We've got the blues now with the SS, how about adding a box to check for LS3/auto or LS7/auto, Anybody interested in checking this box ? "COPO"
wont happen....
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Old 11-05-2008, 09:33 AM   #3
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I would, if it would happen, but I don't think it will either. I don't think the 6L80 will handle the RPMs or the power either and can't see a 6L90 cutting it either because of the RPMs. I'll have to see if I can find some documentation.

Cool idea, but I just don't see it happening, mostly because 'Father already said so :(
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Old 11-05-2008, 10:16 AM   #4
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Y'know, and I'm just being dorky, but the COPO cars were ordered under the same umbrella as fleet and police vehicles. Aren't they not eligible for CAFE standards? GM could (technically) sell an LS7 with a Turbo 400 and not worry about CAFE.....

Never gonna happen. Just some food for thought.
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Old 11-05-2008, 10:53 AM   #5
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will certainly never happen with an auto.

COPO stuff was installed at the dealer. I can see a dealer doing an LS7 like Harwell, Berger, etc... expect it to cost $50k+ from a dealer though :(
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Old 11-05-2008, 11:45 AM   #6
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Check teh threads here the LS3 and L99 are essentially the same motor, with the LS3 losing a feature (cyl deactivation). That said keep dreaming, the days of low production factory freaks are long gone....
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Old 11-05-2008, 12:16 PM   #7
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COPO stuff was installed at the dealer.
Incorrect.

COPO was the way you were able to order a 427 (and some other goodies) in a Camaro straight from the factory.
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Old 11-05-2008, 12:26 PM   #8
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I don't see why we couldn't put a fleet order together for some LS7 Camaros. Whos the person thats the head of the Fleet sales department for Chevrolet??
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Old 11-05-2008, 01:25 PM   #9
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FWIW, Autoblog posted some shots of an LS7 Camaro concept car from SEMA. This is probably a repost of the link, but appropriate for wetting appetites in this thread.

Autoblog Linky

I would be tempted by the ability to order this from a dealer, but there's no way I'm putting down $50k on a Camaro. The problem with a concept like this is that it cannot be a $40k Corvette Z06.
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Old 11-05-2008, 01:54 PM   #10
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You can already get an LS3 with the Auto, they're just calling it "L99" to be silly...

I dunno. I don't think 20 hp would be worth any extra costs involved to produce the car as a whole. Nor would I feel like giving up the AFM just to say "LS3", imo.
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Old 11-05-2008, 02:47 PM   #11
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Originally Posted by 383ss View Post
will certainly never happen with an auto.

COPO stuff was installed at the dealer. I can see a dealer doing an LS7 like Harwell, Berger, etc... expect it to cost $50k+ from a dealer though :(
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Incorrect.

COPO was the way you were able to order a 427 (and some other goodies) in a Camaro straight from the factory.
Perhaps he meant the first Yenkos and such that had the 396s pulled at the dealer and stabbed the L72s in there Actual COPOs were factory cars to my understanding though

Would an LS7 really need a 400? I'm not arguing, I'm only asking. Maybe because either six-speed autos (6L80 and 90) won't rev' up to the LS7 redline?

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You can already get an LS3 with the Auto, they're just calling it "L99" to be silly...

I dunno. I don't think 20 hp would be worth any extra costs involved to produce the car as a whole. Nor would I feel like giving up the AFM just to say "LS3", imo.
Is someone really going to feel that 20 horse'?... I think that six-speed auto' is going to make-up for a lot of the gear spread problems (well, that's what I think) that the 4L60/5/70 had. I mean, shifting at 6200 in my car would bring RPMs all the way down to about 3800 in the next gear. Talk about out of my powerband! I don't think these six-speed autos' are going to be lagging to the sticks in any way But I digress...

You can make your own 427 with the 6.2 anyways with a little bore and some stroke
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Old 11-05-2008, 03:06 PM   #12
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Would an LS7 really need a 400? I'm not arguing, I'm only asking. Maybe because either six-speed autos (6L80 and 90) won't rev' up to the LS7 redline?

Stock, no. Modded? Absolutely. Especially if you're drag racing the car When you start making the kind of power a TT LS7 can make, OD trannys usually don't hold up nearly as well. If I were building a drag car, I'd gut that bad boy out, throw an F1 on there, and drop in a Turbo 400. No need for the extra gears and I'd rather have the stronger 3-spd.

I still want my high rev+handling package Z/28 though. But that's just me.
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Old 11-05-2008, 03:10 PM   #13
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Originally Posted by LSxJunkie View Post
Stock, no. Modded? Absolutely. Especially if you're drag racing the car When you start making the kind of power a TT LS7 can make, OD trannys usually don't hold up nearly as well. If I were building a drag car, I'd gut that bad boy out, throw an F1 on there, and drop in a Turbo 400. No need for the extra gears and I'd rather have the stronger 3-spd.

I still want my high rev+handling package Z/28 though. But that's just me.
There's no way that someone dropping the LS7 in their Camaro is leaving it stock. You would have come too far to just leave it stock. At that point, it's time to go for the gold.
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Old 11-05-2008, 03:11 PM   #14
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The 6Lxx series of auto trannies are all very similar in design. The difference lies in their power-handling abilities. I don't know the exact relationship, but I know for sure: the higher the last two numbers (50, 80, 90, etc) the tougher they're built (materials, gear thickness in some cases) in order to handle higher torque capacity of the engine they're mated to. The 6L50 can rev to 7000 (see: Cadillac V6 DI), so I have no doubts the 6L80 can, too. After all; it's already revving to ~6600 in the LS3 Vette.
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Old 11-05-2008, 04:02 PM   #15
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The 6Lxx series of auto trannies are all very similar in design. The difference lies in their power-handling abilities. I don't know the exact relationship, but I know for sure: the higher the last two numbers (50, 80, 90, etc) the tougher they're built (materials, gear thickness in some cases) in order to handle higher torque capacity of the engine they're mated to. The 6L50 can rev to 7000 (see: Cadillac V6 DI), so I have no doubts the 6L80 can, too. After all; it's already revving to ~6600 in the LS3 Vette.

The other thing about this is those numbers are misleading. The first number is the number of gears, and the second is the flywheel horsepower rating minus a decimal place.

But remember, it's heat that kills transmissions. My buddy has a Paxton on the L92 in his GMT900 2500 Suburban. Yes, it's dumb, but he's just a crazy motherfrakker. That has a 4l85e.....and that trans is PISSED. He races the truck, tows with it, and generally drives like an animal, and that 850 crank hp is just...no. He's making maybe 550 at the crank and that is one unhappy trans.


EDIT: It has the tow package so I think it has the trans cooler, but don't quote me on that.
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Old 11-05-2008, 04:35 PM   #16
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Originally Posted by LSxJunkie View Post
Stock, no. Modded? Absolutely. Especially if you're drag racing the car When you start making the kind of power a TT LS7 can make, OD trannys usually don't hold up nearly as well. If I were building a drag car, I'd gut that bad boy out, throw an F1 on there, and drop in a Turbo 400. No need for the extra gears and I'd rather have the stronger 3-spd.

I still want my high rev+handling package Z/28 though. But that's just me.
Gotcha'. Good points too.

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There's no way that someone dropping the LS7 in their Camaro is leaving it stock. You would have come too far to just leave it stock. At that point, it's time to go for the gold.
Didn't GM showcase a built 4L65E behind an LS7 F-body Camaro too?

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The 6Lxx series of auto trannies are all very similar in design. The difference lies in their power-handling abilities. I don't know the exact relationship, but I know for sure: the higher the last two numbers (50, 80, 90, etc) the tougher they're built (materials, gear thickness in some cases) in order to handle higher torque capacity of the engine they're mated to. The 6L50 can rev to 7000 (see: Cadillac V6 DI), so I have no doubts the 6L80 can, too. After all; it's already revving to ~6600 in the LS3 Vette.
You know what? I forgot about that! DUH!!! I just remember reading that 4L60Es can only handle up to around 6000, but I know a guy who runs his up to almost 7000 with a pretty good hit of nitrous also - bone stock tranny... It lived a while until the rear end let go and broke the back of the tranny.

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The other thing about this is those numbers are misleading. The first number is the number of gears, and the second is the flywheel horsepower rating minus a decimal place.

But remember, it's heat that kills transmissions. My buddy has a Paxton on the L92 in his 2500 Suburban. Yes, it's dumb, but he's just a crazy motherfrakker. That has a 4l85e.....and that trans is PISSED. He races the truck, tows with it, and generally drives like an animal, and that 850 crank hp is just...no. He's making maybe 550 at the crank and that is one unhappy trans.
EEEEKKK!!! Shoot; I run 2 24K B&M coolers on my bolt-on '02 just to make sure heat doesn't kill it. She heats up pretty quick though after a run, but not above about 180*. That dude's nuts!!!
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Old 11-05-2008, 04:57 PM   #17
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We've got the blues now with the SS, how about adding a box to check for LS3/auto or LS7/auto, Anybody interested in checking this box ? "COPO"
I would be interested in the box B4C because that is a copo car or a fleet order car. It would be wicked to see a B4C Camaro LS with an LS7, it would be a short pursuit.
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Old 11-05-2008, 05:02 PM   #18
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Not being able to drive the manual anymore I was looking to match up with my buddys SRT8 425HP Auto. But your right the L99 is going to be just fine, but anytime you read the words detuned, dished pistons,smaller cam kind of gets your head going in the wrong direction. I wanted to add some hp down the road but not sure of the power train. What would be a safe HP upgrade with the L99 ? The heads on the L99 are the same as the LS3 right ? Thanks guys, "Cental Office Pruduction Order" AKA COPO
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Old 11-05-2008, 05:04 PM   #19
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A ZL1 or 1LE Camaro with an LS7 would work also.
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Old 11-05-2008, 05:12 PM   #20
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Not being able to drive the manual anymore I was looking to match up with my buddys SRT8 425HP Auto. But your right the L99 is going to be just fine, but anytime you read the words detuned, dished pistons,smaller cam kind of gets your head going in the wrong direction. I wanted to add some hp down the road but not sure of the power train. What would be a safe HP upgrade with the L99 ? The heads on the L99 are the same as the LS3 right ? Thanks guys, "Cental Office Pruduction Order" AKA COPO
I hear ya, everyone wants the LS3 because the L99 is just a new number and has the management. I think any LS motor is better than the 6.1 Hemi, and the Dodge weighs more. A cold air kit and exaust would be the first IMO for upgrades.
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Old 11-05-2008, 05:25 PM   #21
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I hear ya, everyone wants the LS3 because the L99 is just a new number and has the management. I think any LS motor is better than the 6.1 Hemi, and the Dodge weighs more. A cold air kit and exaust would be the first IMO for upgrades.
Yea thats my problem, cant ever leave them alone. I was hoping to see some aftermarket stuff after SEMA show for the L99.
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