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ls9 in 5.3?

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Old 06-09-2013, 07:09 PM
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Default ls9 in 5.3?

I am looking at putting a ls9 cam in a 5.3. I will be doing a front mount single or supercharger at some point in the future. Has anyone done this? whats involved? and if this is a repeat im sorry, I have done a search but didn't really find what I was looking for. If there is a answer just redirect me to the answer thanks.
Old 06-09-2013, 07:30 PM
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ok how about is this a decent option or is there a better one? the 5.3 doesn't have a cam so I need to put one in and a custom cam kit is like $680 I am trying to not spend that much mostly because my budget is tight and want to get the most that I can
Old 06-10-2013, 07:56 PM
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I checked it a while back and found out it wouldnt work although the stock ls9 cam is dirt cheap, but we had to do an ls6. something about it being a 3 bolt or something hell i dont know. hopefully i was wrong.

Last edited by I8UR4RD; 06-13-2013 at 09:05 AM. Reason: bad sentence structure (whiskey)
Old 06-10-2013, 08:12 PM
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ah ****, gen III's are only a one bolt aren't they... So I buy the one bolt to 3 bolt conversion and a ls2 timing cover with sensor some how wire it and I should be good right?
Old 06-10-2013, 08:35 PM
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Check out this link. It tells you all the parts needed to put an LS9 cam in an earlier motor.
http://www.lingenfelter.com/LPEforum...LS2-LS6-or-LS1
Old 06-10-2013, 10:03 PM
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Sweet thanks... Just what I needed.
Old 06-11-2013, 12:12 PM
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Denmah has used this cam with good success in several of his builds. You need a 3-bolt cam gear, new front cover with cam sensor in the front, and some new valve springs. If you're looking to buy one I have everything you'd need to install it in your motor. Everything is brand new GM stuff in the box. PM me if you're interested. I'm going with a custom Tick cam because I ended up with an L92.
Old 06-12-2013, 07:22 AM
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Ill be running it in my build, talked to a few guys on various boards and they swapped the LS6 cam for the 9 in a 5.3 and said it was a whole new animal....
Old 06-12-2013, 08:07 AM
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Awesome, this music to my ears haha. I was worried it was gunna be a flop.

Monmouth: do you have a build thread?
Old 06-12-2013, 09:10 AM
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Cam, valve springs , timing cover, cam sensor, and timing set for the LS9is the hard parts you will need, you will also need to extend the cam sensor plug and need a 1k ohm resistor if you are using the stock ecm for the 5.3 or the msd 6010 box.
Old 06-12-2013, 09:35 AM
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Thumpn, please explain this 1k resistor if you wouldnt mind..

I have an LS9 cam running in a LR4 4.8 iron block. I got the front cover, 1x gear and the cam sensor extended around to the front and it works fine.

Infact I LOVE the LS9 cam in this 4.8. Driveability seems great, idles excellent around 650rpm. I am still working out some tuning issues.

Im running PAC springs, 408GT covered it pretty well above, look up a guy named denmah, and find how to do it cheap

Its never cheap when its done right, but denmah has some good ideas when it comes to doing it cost effectively and in a budget.
Old 06-12-2013, 09:42 AM
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X2 on the resistor.

And ok I will try and find him. Is your 4.8 just the cam or do you have FI?

I'm also running my camaro ecu.
Old 06-12-2013, 09:57 AM
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i went from a ls6 to the ls9, night and day difference.
Old 06-12-2013, 09:57 AM
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https://ls1tech.com/forums/forced-in...0ld-twins.html

:-)
Old 06-12-2013, 10:44 AM
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I'm running the LS9 cam in my stock LS1. It left me looking for just a little more. In my 72 Camaro build I'm going to be running a 4.8L and I chose to go with a 228/234 .588/.598 @114 LSA. It'll be a few months before I get to turn it over. It only cost me like $50 more than going with another LS9 (with conversion parts ), but I think it was a better choice.

Last edited by HRHohio; 06-12-2013 at 10:57 AM.
Old 06-12-2013, 11:15 AM
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LSXmalibu: in a good way?

Asb2106: that's awesome
Old 06-12-2013, 11:21 AM
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good, look at the curve, too bad I have other issues and I couldnt take it up to 6000+

Old 06-12-2013, 11:49 AM
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Originally Posted by lsxmalibu
good, look at the curve, too bad I have other issues and I couldnt take it up to 6000+

Very nice, was with the turbo setup? And how far do these cam spin
Old 06-12-2013, 11:53 AM
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Also would like to know about the resistor. I have a problem with my tach not working after this cam swap. I switched the wires like I needed and still have a cam postion code.
Old 06-12-2013, 11:56 AM
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I used a premade extension. Was PERFECT length, not an inch to spare, and works flawless

http://goo.gl/JwyJy


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