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Old 02-19-2013, 09:34 PM   #1
victorfriday
 
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Post LS9 CAM SWAP FOR 6.2L

I READ IN GM HIGH TECH MAGAZINE THAT YOU COULD SWAP THE STOCK 6.2 CAM IN ANY 6.2 5th GEN WITH AN LS9 CAM. SEEMS LEGIT, I JUST WANTED TO ASK IF ANY KNOWS IF IT WOULD NEED ANY MAJOR TUNING AFTERWARDS? AND IF SO ANY RECOMMENDATIONS ON ANY ONE WHO KNOWS HOW TO TUNE. I LIVE IN EL PASO TEXAS. THANKS
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Old 02-19-2013, 09:42 PM   #2
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Yes you can, but it is a very small cam and not worth the time or effort. Yes tuning would be required.
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Old 02-19-2013, 09:50 PM   #3
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Dont waste your time with it. It aint worth the time to install or the money you have to pay for gaskets, hardware, oil, coolant, tools and tuning. If you want a good daily driver cam, look at something in the 220 duration, .600" lift range.
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Old 02-19-2013, 09:51 PM   #4
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Quote:
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Yes you can, but it is a very small cam and not worth the time or effort. Yes tuning would be required.
This was my first reaction. However, the cam specs seem to be similar to the new LS3 head and cam kit that GM is bringing out. Suppose to add 40HP+ to stock LS3's. Kinda low for the money invested if you ask me..

Personally, I would look at an ASA cam and maybe install 1.8 rockers on the intake side. (If I wanted to stick with a GM cam)

My opinion on a tune is that even a stock LS3 with no mods could use a tune.
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Old 02-19-2013, 10:16 PM   #5
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there are no tuners in El Paso, youre going to have to get a mail order tune. Jannetty racing gets good reviews here. Also Texas speed is in lubbuck you can go there to get tuned. you might also talk to Gregg at Carparts Machine in town he can point you in the right direction he does some nice builds. I wouldnt go with an ls9 cam if im spending the cash probably tsp, lpe , mast or katech. you can also call comp cams but they spec their cams pretty agressive.It all depend on your goals what youre looking to get
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Old 02-20-2013, 01:54 AM   #6
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I was surprised to read in GM high tech that a 6.2 truck motor with headers and cold air intake gained 50hp with the LS9 cam. They don't show how much it lost down low though, I think the dyno shows from 4,000 rpm and up. I'm thinking the VVT made a big difference down low but lacked up top in the truck motor.

In my LS3 the car pulls better on the expressway in 6th with the LS9 cam then it did without. If you're doing the work yourself and have an LS3 this cam is hard to beat for the money. Stock pushrods and springs have been fine for over 20,000 miles now with this cam. I didn't have to buy any gaskets or coolant performing the swap (the motor had only 800 miles and I drained the coolant into clean containers).
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Old 02-20-2013, 02:40 AM   #7
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Correct. Truck 6.2 but a ls3 has a more aggressive cam.
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Old 02-20-2013, 10:54 AM   #8
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the cam is basically free compared to all the money spent elsewhere in a basic swap. never understood saving a few bucks on just the cam...shit theres a ton of shops that will give you the cam for free when they install.
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Old 02-20-2013, 12:37 PM   #9
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But if you install it in an LS3 there is little additional cost. No need for springs or pushrods to be changed. Only the cam sprocket and oil change. So if you're doing it yourself it's cheaper then a cold air intake.
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Old 02-20-2013, 01:30 PM   #10
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^^Dont forget the $70 for gaskets and hardware, oil, coolant, tools for the balancer, and a tune. Youre at almost $700 there. Nothing free about that.
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Old 02-20-2013, 02:21 PM   #11
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Real gearheads have tools , see post above about gaskets @ coolant. Runs fine without a tune too. It may not be for everyone.... But it can be done cheaply. I posted about it a couple of years ago. Thread got ruined by idiots that can't change their own oil.
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Old 02-20-2013, 02:55 PM   #12
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Quote:
Originally Posted by Irnwkrkev View Post
I was surprised to read in GM high tech that a 6.2 truck motor with headers and cold air intake gained 50hp with the LS9 cam. They don't show how much it lost down low though, I think the dyno shows from 4,000 rpm and up. I'm thinking the VVT made a big difference down low but lacked up top in the truck motor.

In my LS3 the car pulls better on the expressway in 6th with the LS9 cam then it did without. If you're doing the work yourself and have an LS3 this cam is hard to beat for the money. Stock pushrods and springs have been fine for over 20,000 miles now with this cam. I didn't have to buy any gaskets or coolant performing the swap (the motor had only 800 miles and I drained the coolant into clean containers).
I'm not sure if I'm misunderstanding you but they converted the truck motor to a 3 bolt sprocket and 16 new lifters so I don't think VVT played and roll in its aftermath, pretty sure they eliminated vvt. The Ls9 cam is not a vvt cam. Just saying.
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Old 02-20-2013, 03:59 PM   #13
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I think because they replaced the VVT cam it showed bigger peak gains vs an LS3 cam.

I would like to know what they gave up down low when ditching the VVT vs the LS9. Especially for a truck application where you need the torq.

I installed an ls9 cam in my car (LS3) and it pulled better in high gear down low with the LS9 cam but I installed a few other mods with it.
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Old 02-20-2013, 07:58 PM   #14
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Real gearheads have tools , see post above about gaskets @ coolant. Runs fine without a tune too. It may not be for everyone.... But it can be done cheaply. I posted about it a couple of years ago. Thread got ruined by idiots that can't change their own oil.
so you would put in a new cam...and not get a tune?
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