LS9 cam in a turbo 5.3?
#21
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I did some research a while ago and Lingenfelter seems to think that the LS9 cam works very well turbo or supercharged...
http://www.lingenfelter.com/mm5/merc...egory_Code=C31
In fact they had a similar cam out years before the LS9 was designed....
http://www.lingenfelter.com/mm5/merc...egory_Code=C31
In fact they had a similar cam out years before the LS9 was designed....
#22
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I did some research a while ago and Lingenfelter seems to think that the LS9 cam works very well turbo or supercharged...
http://www.lingenfelter.com/mm5/merc...egory_Code=C31
In fact they had a similar cam out years before the LS9 was designed....
http://www.lingenfelter.com/mm5/merc...egory_Code=C31
In fact they had a similar cam out years before the LS9 was designed....
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#23
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In 2009 GM introduced the LS9 in the C6 ZR1 supercharged Corvette engine. After comparing specifications on the camshaft and finding out how economical this is due to it being mass produced Lingenfelter discontinued the GT7 and started using the LS9 in supercharged or turbocharged applications
If you are installing it in an earlier LS1 or LS6 engine with the cam sensor at the back of the engine you will need a 2005 LS2 front cover, 2005 1x cam sprocket, camshaft extension harness, 2005 LS2 chain dampner.
#24
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http://www.lingenfelter.com/mm5/merc...egory_Code=C31
$160 + $70 = over $250 = free shipping... doesn't seem to bad to me
#27
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You can pick up each of those at Autozone or order their kit for $70 bucks.
http://www.lingenfelter.com/mm5/merc...egory_Code=C31
$160 + $70 = over $250 = free shipping... doesn't seem to bad to me
http://www.lingenfelter.com/mm5/merc...egory_Code=C31
$160 + $70 = over $250 = free shipping... doesn't seem to bad to me
#28
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The LS9 cam works well turbo, supercharged, n/a, and everything performance related. It has taken the place of the GT2-3 cam. There's absolutely no reason to consider any other cam for any other reason. This one has all bases covered. N/A 4.8L to high boost turbo 8.3L's. It even idles smoother than stock cams (that claim really has me impressed) yet makes insane power. Just install and hold on....it's all good![Grin](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_grin.gif)
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what is your experience with the ls9 cam? what kinda results have you had with it on a turbo car?
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#30
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I bought the gt7 cam for my ls1 wich is almost identical and supposedly why they don't sell the gt7 anymore. The gt7 is what lingenfelter designed for all the ls1 up to 427 and were making over 1000hp along time ago.
#31
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Yeah,
but it won't work.....
....... you know, it has all the wrong specs, it can't be that good, I purchased mine used for $50!!! And can buy one brand new for $98!!!
I'd hate to have all that overlap on 121 degrees of lobe seperation.......
but it won't work.....
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I'd hate to have all that overlap on 121 degrees of lobe seperation.......
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#32
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all i've got to say is yea, the cam will work great to XXXXXXXXhp, but so do stock heads. so does a stock intake. so does a stock TB. im a do it once and do it right kind of person, and that applies to every detail. why leave 100hp on the table? at 600 at the wheels this cam may (ONLY) cost you 30 or so at the wheels, but at 800whp? 9? just spend the extra 250 bucks for a cam that is perfect for your combo.
#33
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That's impossible.
Or are you suggesting he guesses a camshaft that might work and try that for $250 ?
#34
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A stock 5.3L cam will work too. If that's all he's after.
#35
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It's not a guess when you have a pro spec the cam. Pat G charges a whole 25 bucks to access his knowledge of cams. A bargain. I wouldn't swap cams without his input. Bet his suggestion for the OP's setup won't be real close to an LS9 cam. It would fit in the same spot, but that's about where the similarities would end.
A stock 5.3L cam will work too. If that's all he's after.
A stock 5.3L cam will work too. If that's all he's after.
The ONLY way to determine if a camshaft is optimal for any individual application is through actual testing. Anything else is just guesswork.
#36
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It won't take much of a guess to know the LS9 cam isn't optimal for every force inducted LS application. All I'm sayin'. A pro can come of with a cam a whole lot closer to optimum vs an LS9 cam. It's a guess on his part, but a very educated guess. Saying an LS9 will work great in a turbo 5.3L is a bit of a guess too. If you believe the hype of this cam, go for it. It is one great cam if it's correct for a turbo 5.3L and also a supercharged LS7. Not saying it can't make power in both apps...just that it can't be optimum for all things LS force inducted.
#37
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It won't take much of a guess to know the LS9 cam isn't optimal for every force inducted LS application. All I'm sayin'. A pro can come of with a cam a whole lot closer to optimum vs an LS9 cam. It's a guess on his part, but a very educated guess. Saying an LS9 will work great in a turbo 5.3L is a bit of a guess too. If you believe the hype of this cam, go for it. It is one great cam if it's correct for a turbo 5.3L and also a supercharged LS7. Not saying it can't make power in both apps...just that it can't be optimum for all things LS force inducted.
I think I'll go with Lingenfelter over your thoughts, as I suspect they have done more testing than yourself, and many other shops.
And no, it may not be optimal, but you can be assured it will work, it will have good manners, and it will produce power with ease.
Pick the wrong cam, and you wont be able to say the same.
but in reality, you'd need to be pretty dumb to pick a camshaft that wouldnt work in an LS. They just make power so easily.
#38
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its a factory cam, designed with consideration for driveability, emissions, fuel milage, etc as a priority, not power. its also designed for an 6.2l l92 head'd car with a supercharger. maybe "perfect" isnt the right word, but 1000101099209302x better or closer to what perfect would be. the cam isnt just 90 bucks either if you need to by a timing chain and guide.
#39
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Again, it has its place. Saying it fits all things LS force inducted is.....never mind....I quit
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