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Generation III Internal Engine
1997-2006 LS1 | LS6
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Old 12-16-2009, 08:46 PM   #1
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Question Z06 (LS6) cam vs. GM Hot Cam

Which one is making more power at the flywheel? I know the Z06 (LS6) is about 405 hp. Now with just a cam swap to the GM Hot Cam, would the engine make more or lose hp? If so, how much more?
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Old 12-16-2009, 09:36 PM   #2
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Personally I would not spend the money or time to do a cam swap for another "stock" cam. You'll see 49 hp and 42 lb-ft gains from an ls1 cam.

Ls6 Cam specs 204/218@.50 .550/.550 lift 117.5 LSA
LS6 Cam specs 207/217 @.50 .525/.525 lift 116 LSA
Hot Cam specs 219/228@.50 .525/.525 lift 112 LSA
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Old 12-17-2009, 05:51 AM   #3
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better cams on the market...

what are your goals?
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Old 12-17-2009, 06:13 AM   #4
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Being in Cali you probably wanna stay emmisions friendly right?
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Old 12-17-2009, 11:24 AM   #5
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Goals...make more power than a Z06 (LS6), with a little more lope, while staying smog legal. Just want to know how much more power the cam will make/put out.
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better cams on the market...

what are your goals?
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Old 12-17-2009, 11:27 AM   #6
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Yes! It has to pass SMOG. It's going in a 2003 Silverado. I want a little more lope with out making "too many" changes from "stock".
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Being in Cali you probably wanna stay emmisions friendly right?
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Old 12-17-2009, 11:30 AM   #7
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Hmmm...GM has two LS6 cams, huh? I didn't know that...
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Originally Posted by 02*C5 View Post
Personally I would not spend the money or time to do a cam swap for another "stock" cam. You'll see 49 hp and 42 lb-ft gains from an ls1 cam.

Ls6 Cam specs 204/218@.50 .550/.550 lift 117.5 LSA
LS6 Cam specs 207/217 @.50 .525/.525 lift 116 LSA
Hot Cam specs 219/228@.50 .525/.525 lift 112 LSA
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Old 12-17-2009, 11:46 AM   #8
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Quote:
Originally Posted by sixt9er View Post
Hmmm...GM has two LS6 cams, huh? I didn't know that...
The .525 lift cam is the 2001 LS6 385 hp (also later model LS1 GTO's). Whereas the .550 lift cam is the 2002/2004 LS6 405 hp.
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Old 12-17-2009, 12:12 PM   #9
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^^^ahhhh haaaa! Thank you for the info.
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Old 12-17-2009, 01:06 PM   #10
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Quote:
Originally Posted by sixt9er View Post
Yes! It has to pass SMOG. It's going in a 2003 Silverado. I want a little more lope with out making "too many" changes from "stock".
5.3L or 6L

or i guess 5.7 if you swapped it in...not sure they came in the trucks
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Old 12-19-2009, 01:11 AM   #11
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Hey bro I have the Ls6 pkg ,Don't burn No gas fuel friendly like a bat outta hell. But they have a Ligenfelter cam gt2-3 my buddy has the same set up I have but he has the gt2-3 I have the ls6 ,he pulled me by a car.
That cam is also fuel friendly My next upgrade.
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Old 12-19-2009, 12:36 PM   #12
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Lingenfelter also makes a came with basically the same specs as the GM hot cam but with more lift.

LS1-GT1 Cam specs 218/229@.050 .561/.561 lift 113 LSA
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Old 12-19-2009, 12:50 PM   #13
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z06 pkg on a f-body is the best combination yet, all numbers are equal in flow.
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Old 12-19-2009, 01:16 PM   #14
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EPS
Truck Torque 2
Intake Duration: 218 Degrees at .050" Tappet Lift.
Intake Lift: .595" with 1.7 rockers.
Exhaust Duration 226 Degrees at .050" Tappet Lift
Exhaust Lift .598" with 1.7 rockers.
113 Degree LSA

Or take to Geoff at EPS and he can do a custom cam for your needs/wants.
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Old 12-19-2009, 07:20 PM   #15
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Get the thunder racing 224 on 114lsa. It is very mild but will have more power then the two you listed. A lot of people regret the ls6 cam bacause the gains are so small once you factor in all the costs.
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Old 12-19-2009, 07:40 PM   #16
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Doing a 5.7L with the EXACT Z06 specs (tentatively) but i'm getting some good feedback in this thread. I originally wanted the GM HOT cam due to the noticeable idle and the "ease" of swap. I know what the Z06 is rated at for HP, but I was curious to know what gains could be had with a HOT cam in a stock Z06.
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5.3L or 6L

or i guess 5.7 if you swapped it in...not sure they came in the trucks
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Old 12-19-2009, 07:40 PM   #17
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How do u know if your gto has the ls6 cam?
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Old 12-19-2009, 07:42 PM   #18
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This sounds like a good cam that would give me what i'm looking for. It should be easy on valve train parts...
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Originally Posted by David_viny View Post
Lingenfelter also makes a came with basically the same specs as the GM hot cam but with more lift.

LS1-GT1 Cam specs 218/229@.050 .561/.561 lift 113 LSA
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Old 12-19-2009, 07:47 PM   #19
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I don't have a GTO...I have a 2003 Silverado with a 5.3. I am building a 5.7 LS6/Z06 engine to replace the 5.3L. The engine has to pass smog and i want a little more noticeable idle. I'll be starting from scratch with the entire build (to LS6/Z06 specs)
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How do u know if your gto has the ls6 cam?
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Old 12-19-2009, 07:53 PM   #20
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Hmmm...fuel-friendly IS a GREAT thing, since we have the most expensive 91 octane fuel in the nation out here... I shall look at Lingenfelter's site right now. How does the car sound? Is it obvious that it has an aftermarket cam, at idle?
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Hey bro I have the Ls6 pkg ,Don't burn No gas fuel friendly like a bat outta hell. But they have a Ligenfelter cam gt2-3 my buddy has the same set up I have but he has the gt2-3 I have the ls6 ,he pulled me by a car.
That cam is also fuel friendly My next upgrade.
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Old 12-19-2009, 07:53 PM
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04, 2002, 2004, cam, cams, camshaft, gm, hot, ls1, ls1tech, ls6, rockers, specs, swap, z06, zo6


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