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What Cam Do I Have?

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Old Feb 9, 2011 | 05:41 PM
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Default What Cam Do I Have?

I bought what I was told was an LS6 cam but the numbers stamped on it don't make sense to me. Here's what's stamped on it.

3063
S 16
9338

So what cam do I have? Is it even GM or maybe after-market like Comp Cams?
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Old Feb 9, 2011 | 06:29 PM
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The cam out of my 02 Z06:

5308
S 08
2011

And then it has E 1 stamped.
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Old Feb 9, 2011 | 07:06 PM
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Originally Posted by Paul 75 L82
The cam out of my 02 Z06:

5308
S 08
2011

And then it has E 1 stamped.
Thanks for the reply. Well that answers one question. I do not have an LS6 cam. I can be an idiot some times. I should have asked for positive verification before buying. As soon as I got it I smelled something fishy so I checked lift by measuring the difference between the longest dimension and the base circle. It doesn't appear close to something in the 0.550" range.

That brings up the other part of the question. Now that I know it's not an LS6 cam, what cam did I buy? Anyone know?
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Old Feb 9, 2011 | 07:21 PM
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Default Ls6 cam

Just because your numbers don't match the numbers of the 02 LS6 CAM doesn't mean that you don't have an LS6 cam. I was looking for a picture of the LS6 cam I had from an 04 ZO6 but couldn't find. Before you completely dismiss your cam as being a LS6 cam do a little more research. Try Goggling the numbers.
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Old Feb 9, 2011 | 07:41 PM
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The format is exactly the same, I think it might be a Z06 cam. You need to check out the numbers. You might also try LS1Tech.
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Old Feb 9, 2011 | 08:17 PM
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I have two stock cams sitting in my garage. I grabbed the numbers off them.

from my 98 C5:
0964
4 22
7314

From my 03 Z06:
5308
S 15
2228


hope this helps
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Old Feb 9, 2011 | 09:46 PM
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Originally Posted by GTMRick
Thanks for the reply. Well that answers one question. I do not have an LS6 cam. I can be an idiot some times. I should have asked for positive verification before buying. As soon as I got it I smelled something fishy so I checked lift by measuring the difference between the longest dimension and the base circle. It doesn't appear close to something in the 0.550" range.

That brings up the other part of the question. Now that I know it's not an LS6 cam, what cam did I buy? Anyone know?
.550" is the lift at the valve taking into consideration the 1.7 rocker arm ratio.
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Old Feb 10, 2011 | 11:44 AM
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Originally Posted by ipuig
.550" is the lift at the valve taking into consideration the 1.7 rocker arm ratio.
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Old Feb 10, 2011 | 03:48 PM
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Originally Posted by ipuig
.550" is the lift at the valve taking into consideration the 1.7 rocker arm ratio.
I measured the longest portion of the lobes, subtracted the base circle dimension, and multiplied by 1.7. I'm coming up with something in the .530" range. I may be off a little bit but it's looking like an '01 LS6 cam lift to me. Isn't the lift somewhere in the high .520s range for an '01 LS6?

I tend to believe it's a GM cam since the numbering format is the same as an LS1 and LS6 cam. Is there a chart somewhere that lists all the GM cams so I can track down this part number?

Last edited by GTMRick; Feb 10, 2011 at 04:02 PM.
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Old Feb 10, 2011 | 04:34 PM
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.525 is the specified lift for an 01 LS6 cam. Measured lift will almost always vary slightly from advertised
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Old Feb 10, 2011 | 06:00 PM
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Yep, sounds like an 01 Ls6 cam to me.
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Old Feb 10, 2011 | 06:47 PM
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OK...Let's assume I have an '01 LS6 cam. Should I use it or buy an '02+ cam? I'm putting an '00 LS1 in a Factory Five GTM but I'm going with LS6 heads, intake, mass air, and cam on the LS1 engine. I'm looking for a very street friendly build with a little more power than the stock LS1. Just looking at the cam specs for both cams it seems that the '01 LS6 cam will give me torque lower in the RPM band but not as much overall power as the '02+ LS6 cam. Right? If that's the case, it's not such a bad thing for a street car. Having said that, I'm not sure that I'll even notice the difference unless I go to the strip which I don't plan to do with this car. Also, I do not plan to increase the rev limit beyond what's already programed for a stock LS1 so that may reinforce my thinking that that the '01 LS6 cam is OK. What do you think?
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Old Feb 10, 2011 | 07:04 PM
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Do a Google search for Hib Halverson's "The Relentless pursuit of Power". There are two articles, the first for the '01 and the 2nd "the sequel" for the '02. Plenty of cam info and dyno charts, etc.

DG
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Old Feb 10, 2011 | 09:55 PM
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Originally Posted by GTMRick
OK...Let's assume I have an '01 LS6 cam. Should I use it or buy an '02+ cam? I'm putting an '00 LS1 in a Factory Five GTM but I'm going with LS6 heads, intake, mass air, and cam on the LS1 engine. I'm looking for a very street friendly build with a little more power than the stock LS1. Just looking at the cam specs for both cams it seems that the '01 LS6 cam will give me torque lower in the RPM band but not as much overall power as the '02+ LS6 cam. Right? If that's the case, it's not such a bad thing for a street car. Having said that, I'm not sure that I'll even notice the difference unless I go to the strip which I don't plan to do with this car. Also, I do not plan to increase the rev limit beyond what's already programed for a stock LS1 so that may reinforce my thinking that that the '01 LS6 cam is OK. What do you think?
If you are willing to sacrifice a little power on the top end, the 01 cam will give you increased valve train reliability.
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Old Feb 10, 2011 | 10:25 PM
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The cam listed below will give you a very noticable tq improvement over the ls6 cam. Idles like stock, pulls from idle, and doesn't need any rpm to perform, like much larger cams. I don't remember the actual numbers, but it's probably 15-20 ft. lbs. more torque over the LS6 measured at the wheels. There are also cams from other mfgs with similar specs. I simply have experience with this one.
http://tpis.com/parts/view/102
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Old Feb 11, 2011 | 07:20 AM
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Originally Posted by trackboss
The cam listed below will give you a very noticable tq improvement over the ls6 cam. Idles like stock, pulls from idle, and doesn't need any rpm to perform, like much larger cams. I don't remember the actual numbers, but it's probably 15-20 ft. lbs. more torque over the LS6 measured at the wheels. There are also cams from other mfgs with similar specs. I simply have experience with this one.
http://tpis.com/parts/view/102
How does it achieve the increased torque? It has less intake and exhaust duration than the LS6 cam.
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Old Feb 11, 2011 | 09:13 AM
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Originally Posted by ipuig
If you are willing to sacrifice a little power on the top end, the 01 cam will give you increased valve train reliability.
Yea I wouldnt worry about the lift difference too much. Its still a great cam. I'm pretty sure they used the same specs for the ls2 engine, didnt they?

Actually, if you really want the new LS6 cam, mine is just sitting on the shelf in my garage. I pulled it out of my 03 Z in december with 26k miles on it. I'll give it to ya for $70 shipped.

Last edited by MawneeC5; Feb 11, 2011 at 09:17 AM.
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To What Cam Do I Have?

Old Feb 11, 2011 | 04:32 PM
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I found out that what I have is not an '01 LS6 cam. Here are the numbers on the cam. Does anyone know what this is?

3063
S 16
9338
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Old Feb 11, 2011 | 06:18 PM
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hmm now I'm baffled. I've done some research and with most cams you simply put those top 4 digits at the end of the part number. So for my cam from my 03 Z06:
5308
S 15
2228

You get 12565308 which you can look up.
http://www.summitracing.com/parts/NAL-12565308/

when I do that with yours however..I end up with the part number for an LS2 valve.....


12560965 Camshaft for 98-00 F-body
12560964 Camshaft for 98-99 Y-body
12560968 Camshaft for 00 Y-body
12561721 Camshaft for 01 F-body & LS1 Y-body
12560950 Camshaft for 01 Y-body LS6
12565308 Camshaft for 02+ Y-body LS6
12480033 Hotcam for LS1

Last edited by MawneeC5; Feb 11, 2011 at 06:27 PM.
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Old Feb 11, 2011 | 06:43 PM
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I did the same thing and came up with the same result. An LS2 valve. What the?????

What's going on here? What the heck cam do I have? Based on the format of the numbers I'm real sure it's a GM cam but I'll be damned if I can figure out which one.
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