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

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Old 11-28-2010, 01:13 AM   #1
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ZR1 LS9 CAM ON CAMARO 2010 !!

heloo

How are you guys

I am Wilshere from Kuwait I want to advise me






i bought a zr1 ls9 cam what do you think its good ? I really want cam with no sound I want to look like a car without cam how much it will give me hp

And i heard about the gt11 cam Is it good ?

What needs to be installed with the gt11 CAM must change Springs in l99 ?




Excuse humble English and thnx
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Old 11-28-2010, 01:19 AM   #2
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The L99 valve lifters will need to be replaced with almost any cam replacement. They are designed for the Active Fuel Management system that shuts down 4 cylinders on light load.
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Old 11-28-2010, 01:20 AM   #3
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do you have an automatic or manual? You can't put the ls9 cam in the L99 without removing the lifters.
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Old 11-28-2010, 01:50 AM   #4
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Quote:
Originally Posted by trudawg660 View Post
do you have an automatic or manual? You can't put the ls9 cam in the L99 without removing the lifters.
True. I don't know that I'd even consider it on an L99 car personally, but that's just me.

It's an easy and common upgrade worth about 20-25 rwhp in an LS3 however.

No springs or pushrods need to be swapped either which makes it a very economical hp/cost mod.

Best of luck and keep us posted!
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Old 11-28-2010, 11:39 AM   #5
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l99 mean auto ha guys give my some information
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Old 11-28-2010, 11:45 AM   #6
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Not sure on the LS9 cam, you might need to delete variable valve timing (VVT).
http://www.texas-speed.com/shop/item...=1165&catid=43

Also, you might need a torque converter for the transmission.
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Old 11-28-2010, 02:54 PM   #7
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I beg to differ about the wide lobe separation angle being only good for forced induction. Check out the LS3 cam comparo by GM HiTech. The GT-11 Had some of the best all around #'s in the test and was one of the ones with the best street manners.
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Old 12-07-2010, 01:30 PM   #8
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any videos of the LS9 cam in an LS3?

DIY?

3 bolt or 1 bolt?
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Old 12-08-2010, 07:54 AM   #9
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I am interested in the LS9 swap or some other cam that does not require new spring and lifters. Any links to that GM hi po comparison. What about the GMPP "big cam"? 20-25 hp increase would work for me on my daily driven LS3. Any thoughts?
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Old 12-08-2010, 08:40 AM   #10
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I think that's the cam that ADM uses for their Stage I kit. If I remember correctly it's about 20 rwhp and you can't hear it. That means they won't know about it for warranty work either.
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Old 12-08-2010, 09:05 AM   #11
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Quote:
Originally Posted by caverman View Post
I think that's the cam that ADM uses for their Stage I kit. If I remember correctly it's about 20 rwhp and you can't hear it. That means they won't know about it for warranty work either.
so, you can't hear the lope of the LS9 camshaft in an LS3? I guess that's what I wanted to know... I want at least a slight lope.

I just liked the idea of not changing the springs/rockers/lifters... and having something that GM designed.

Has anyone tried the GM hotcam? I know Robin L. at GMPP tried it and only got ~9 HP when the rest was kept stock... but I think it has a pretty nice lope... and maybe with headers/CAI/tune... it will get more than 9 HP net gain.
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Last edited by Bell040; 12-08-2010 at 01:43 PM.
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