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

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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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Originally Posted by Irnwkrkev View Post
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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Old 02-20-2013, 11:33 PM   #15
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6.2 trucks do not have afm, they do have vvt. There is a thread on performancetrucks about it. Its very tempting, but no one I can makes a good header package that works with 4wd and 6speed Trans. And I dont want to do a cam before headers.
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Old 02-21-2013, 02:07 AM   #16
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so you would put in a new cam...and not get a tune?
I did put in an ls9 cam without a tune. I ended up getting a tune because of the CEL's from the cat delete pipes I had installed. My tuner couldn't get anymore power out of it but did get rid of the horrible skip shift and set the fans to come on earlier.

This isn't to say you can install just any cam without a tune. The LS9 is a "baby" cam. The lift is not too much for stock LS3 springs or pushrods and the lobe separation angle is greater then the stock LS3 or L99 making for plenty of overlap.

Lack of headers shouldn't deter someone from this cam. I made 415 hp on a mustang dyno with factory manifolds untuned. 428 hp on a dynojet tuned. I've since added headers and definitely picked up some power. The sound is much better as well.
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Old 02-21-2013, 02:44 AM   #17
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Post up when ya get back to the dyno. Might be a good cheap combo.
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Old 02-21-2013, 09:04 AM   #18
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Thanks guys all this feed back helps. I'm looking to get some good HP. My boss has a 2000 mustang, super charged and he talks crap everday. I've beet him once but that was just luck. I want to shut him up. haha
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Old 02-21-2013, 11:25 AM   #19
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I have a car journal going. Its going to have an LS9 cam in my L99. It's going to be nice.
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Old 02-22-2013, 01:24 PM   #20
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LS9 Cam

To each his own....I recently ordered a Whipple SC and my cam of choice was the LS9 cam. I chose that cam for several resons, most already mentioned by other members:
1. Doesn't require a spring change
2. Doesn't require a pushrod change/upgrade
3. Can run fine on stock LS3 tune, best on custom tune, though,
And, last but not least, this cam along with a 2.3L supercharger, cranked out 638HP(!) on a factory production car without headers, CAI, etc.

Good enough for my little build, and how can you argue with the price?? Less than $100! New in the box! I can buy all the other items, (gaskets, oil, seals, timing gear, bolts, and coolant), for less than the additional $300 a cam from anybody else would cost...



You can drive up to Albuquerque for a custom Dyno tune from several vendors...only 4 hours away.
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Last edited by Batmanntexas; 02-22-2013 at 11:07 PM. Reason: corrected some wrong info.
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Old 02-22-2013, 01:39 PM   #21
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Aftermarket cam install will cost 5x times as much in parts. Labor is the same and free if you do your own work. No gasket replacement required. It works great as a small blower cam. That is why Lingenfelter stopped making thier own baby blower cam and now sells/uses it. If you want a mild increase for peanuts you can't beat it. Half the cost of a CAI. What other mod gives you more HP/$? NO compromise in drivabillity. Idle is smooth. Mileage is good. Don't dismiss it too quickly.

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Old 02-22-2013, 05:41 PM   #22
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All good points..... except the LS9 has the 2.3l blower It's proven a worthwhile mod for ZL1's as well from what i've read since they come factory undercammed (smaller then LS3).
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Old 02-22-2013, 10:23 PM   #23
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i am still doubting that everything is just fine and dandy without a tune
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Old 02-22-2013, 11:10 PM   #24
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Thanks IRNWKRKEV for catching my mistake, I got the LSA and LS9 mixed up.
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Old 02-23-2013, 12:26 AM   #25
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i am still doubting that everything is just fine and dandy without a tune
I'm with you lol. Not buying it but hey.......
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