LS3+ cam =.....

[Wedgy]

I hate to break it to you, but it will be a cold day in hell before the "hot cam" is factory installed in a Camaro because it wouldn't pass emissions. you may as well say you want to order your camaro with a 572 crate motor installed.

Also, you don't always have to pull the motor to install a cam. on a 4th gen, you just need to move/pull the radiator to get the cam in. of course that may be different on the 5th gen, but who knows....

this should give you a good idea of what is involved with a cam swap....
http://www.ls1howto.com/index.php?article=23

[Camaro_Corvette]

Originally Posted by Wedgy

I hate to break it to you, but it will be a cold day in hell before the "hot cam" is factory installed in a Camaro because it wouldn't pass emissions. you may as well say you want to order your camaro with a 572 crate motor installed.

Also, you don't always have to pull the motor to install a cam. on a 4th gen, you just need to move/pull the radiator to get the cam in. of course that may be different on the 5th gen, but who knows....

this should give you a good idea of what is involved with a cam swap....
http://www.ls1howto.com/index.php?article=23

i would kill for a camaro with a 572 in it, but we know that aint gonna happen either, if any thing they could put the camshaft in the trunk, and we will install it ourselves when we get home!!!

[Grape Ape]

Originally Posted by Wedgy

I hate to break it to you, but it will be a cold day in hell before the "hot cam" is factory installed in a Camaro because it wouldn't pass emissions. you may as well say you want to order your camaro with a 572 crate motor installed.

Also, you don't always have to pull the motor to install a cam. on a 4th gen, you just need to move/pull the radiator to get the cam in. of course that may be different on the 5th gen, but who knows....

this should give you a good idea of what is involved with a cam swap....
http://www.ls1howto.com/index.php?article=23

Great link, I'm new to GM so I've never seen those rods to hold the lifters up. That is a neat trick.

[Wedgy]

I used this link as a guide when I did my cam install. everything went very smooth... only tool i added was the Crane Cams Valve Spring Compressor Tool, it saved me A LOT of time. well worth the $120 even if I only used it one time

[Mythic]

Originally Posted by Wedgy

I hate to break it to you, but it will be a cold day in hell before the "hot cam" is factory installed in a Camaro because it wouldn't pass emissions. you may as well say you want to order your camaro with a 572 crate motor installed.

Thats not necessarily true. The "hot Cam" is part of a GM issued crate engine.
http://www.gmperformanceparts.com/En...1224&engCat=ls
Possible Applications*

·It looks like "just an LS", but you know the truth
·Give your late model Corvette a new lease on life
·Update your fourth gen Trans Am with a LS1 replacement
·Don't forget the GM Performance Parts controller and harness specific for this application

The late model Corvettes and 4th Gen listed would have to pass emmisions

The LS3 and LS373 use, according to the GM Tech sheets, the same
Block: P/N 12584727
Comp Ratio: 10.7:1
Rocker Arm Ratio: 1.7:1
Cylinder Heads: P/N 12598594
Connecting rods: P/N 12617570
Pistons: P/N 19165089
Valve size (in): 2.16 intake / 1.59 exhaust

Main Differences
LS3 Camshaft P/N 12603844 - LS376 Camshaft type P/N 88958733
LS3 Camshaft duration (@.050 in): 219 degree intake / 228 degree exhaust - LS376 Camshaft duration (@.050 in): 204 degree intake / 211 degree exhaust

According to the Corvette forums, some people are already getting dealer upgrades.
http://forums.corvetteforum.com/show....php?t=1967097

Looks like you would also need a new controller unit.
P/N 19201327 LS376/480 Engine Controller Kit

Caution: With the harness details I keep seeing a note that it won't run in a production vehicle unless you use all of the kit parts and that it will not run the stock gauges, you must get aftermarket gauges.
- Need to find a GM shop to ask a tech. -

[radz28]

If I remember correctly, the Hotcam didn't make as much power as the second LS6 (MY 2002) cam did. If I remember correcly, didn't the LS6 have more lift and a little less overlap and LSA?

I agree that GM wouldn't get a Hotcam into an OEM car but I'm sure they, if not many other companies have custom grinds that will give good power. To me though, GM engineered the engines as a package, and operate within a certain range. Typically, adding a cam will change the operating range in order to achieve maximum power, and sometimes that range goes outside of the parameters the engineers went by. Anyhoo, I'd prefer to keep things nice and simple and stay out of the long block.

To each his/her own

[Wedgy]

I did alot of research before selecting my cam. And the conclusion i came to was that the "hot cam" was not nearly as good as other cams on the market.

Also I'm not saying it cant ever pass a smog test, but it would be close and depend alot on how well it was tuned. But as factory installed option, it would never fly.

I think the ls1 hot cam would put out around 380 RWHP around 400rwtq. the cam I went with TR224/224/114 will/did pass smog in CA and made 395 rwhp and 390 rwtq. And it ran much smoother than the hot cam (per my tuner).

If i didnt have to worry about smog tests, or drive ability then I wouldn't even look at the hot cam, I would go much much bigger, can you say trex... LOL

[Mythic]

The Hot Cam for the LS3 is not the LS1 cam.
My point was Never that it was the best cam out there.

But if you look at the tech specs for both the LS3 and LS376/480 the only real part difference is the cam. The block, heads, pistons etc are exactly the same. You should only need new valve springs and gaskets. And, appearantly a new engine controller kit.

[Jose_The_Great_Cuervo]

Will adding a performance cam mess w/ AFM in the Camaro?

[MerF]

Originally Posted by Jose_The_Great_Cuervo

Will adding a performance cam mess w/ AFM in the Camaro?

Not really. However getting a custom tune done afterwards will ensure you are getting the most out of it.

[Kyle2k]

I have heard that putting a new cam in actually will disable AFM, it would be nice if they were wrong.

[Camaro_crazy]

Do you think GM could install it later on down the road after you buy the camaro? And I'm young and not as experienced with engines. Where could you go to get the custom tune? And what all would need to be done in addition to the cams so it would all go smoothly and pass emissions.

[lil_red_v6]

what about the lsx motor....... here is a link http://www.gmhightechperformance.com...ock/index.html

2500 horses http://www.gmperformanceparts.com/En...6454&engCat=ls

[Mythic]

the LSX is an awesome motor if all you want to do is go from the tree to the line.

Its solid and can handle just about all of the mods you want to throw at it. However, is a big solid cast iron bitch. You put that and the mods needed to get half that HP and you won't turn for squat.