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Old 11-28-2010, 06:41 PM   #1
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about to go in for a new cam setup and have some questions

let me frist say this is my first car that i started to mod. and i am still new to allot of things. so far i have LTs, CAI, cat back, dyno tune, ls3 engine and i would like a little more power. i have talked to my local shop and i am probably going to do this next week.

this car will not be a daily driver car. but that doesn't mean i want a big comp cam. how does the car drive with a after market cam, with a new cam am i only going to see gains at higher RPMs?

another worry i have, this may sound kind of weird to some of you. but with my current setup i feel i have allot of control of the car, meaning when its warm out i don't have allot of wheel spin at wot... now i want more power, but not to much, i don't wanna be scared of the car if you know what i mean ... is there a cam out there where i get gains all though out the power band?, but not huge gains... maybe like 30-40WHP is what i am looking for

thanks for the help
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Old 11-28-2010, 07:07 PM   #2
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Old 11-28-2010, 07:16 PM   #3
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To point out, and this is just me saying so here, I don't think you can continue to say you're new to modding after the underhood setup you just told us about. I would say you're better off than a chunk of the other members.
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Old 11-28-2010, 07:20 PM   #4
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The only negative thing I have heard about going with a more aggressive cam is when crusing normally, and the trans is in 6th grear and the engine RPM's are low, you can get sort of an engine lope. This is an issue with my friend's L99. Maybe he got too much cam, but I seem to remember someone else here that voiced the same issue.
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Old 11-28-2010, 07:27 PM   #5
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To point out, and this is just me saying so here, I don't think you can continue to say you're new to modding after the underhood setup you just told us about. I would say you're better off than a chunk of the other members.
keep in mind this, a year ago i didn't know what long tube headers where lol. just because i have a nice setup so far doesn't mean i know allot... all i know is the basic bolt ons... and now learning about cams
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Old 11-28-2010, 07:28 PM   #6
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Talk to your performance shop and tell them what you want. They should be able to recommend or spec out a cam to meet your needs.
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Old 11-28-2010, 07:30 PM   #7
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Talk to your performance shop and tell them what you want. They should be able to recommend or spec out a cam to meet your needs.
thats what i was going to do tomorrow, but its always good see what the forums have to say, rather then one shop
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Old 11-28-2010, 07:36 PM   #8
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With the LS3, bigger isn't better.....you don't need insane lift or a aggressive LSA to make big gains.

My cam is .571/590 228/240 on a 113.....I picked up 48 rwhp with that cam over what I had with the CAI & lontubes.

To me the car drives fine....but others may not care for it.

Just be honest with yourself and the with what you expect to gain and most of all how you want the car to drive.
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Old 11-28-2010, 07:38 PM   #9
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mike i have a cam new in the box from kirk at vector.i need to sell it.it is his stage 2.5 cam.227/239 114lsa.call him and ask him about it.says it drives like stock.with your mods it make 460 rwhp + or_.I will sell at a good price if interested.
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Old 11-28-2010, 07:41 PM   #10
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My stuff is here ==> http://www.camaro5.com/forums/showthread.php?t=103989
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Old 11-28-2010, 07:43 PM   #11
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mike i have a cam new in the box from kirk at vector.i need to sell it.it is his stage 2.5 cam.227/239 114lsa.call him and ask him about it.says it drives like stock.with your mods it make 460 rwhp + or_.I will sell at a good price if interested.
lol funny thing is thats my local shop thats where i get my work done at. why are you selling it ?
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Old 11-28-2010, 07:45 PM   #12
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that idle is perfect for what i want
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Old 11-28-2010, 07:53 PM   #13
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thats what i was going to do tomorrow, but its always good see what the forums have to say, rather then one shop
That may be true. But I had 3 different cams in my Impala SS. The first two were ones highly recommended and most frequently used. One was ok, the other I hated. I finally told a builder exactly what I was looking for. He spec'd out a cam for me that I absolutely loved.

The key here is know what you want and find someone you trust that is willing listen to you. Once they have something for you, question what about each spec is going to meet your list. ie, idle, powerband (high, low, or my favorite broad) etc. Nothing sucks worse than paying for something you wind up not liking it.
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Old 11-28-2010, 07:59 PM   #14
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That may be true. But I had 3 different cams in my Impala SS. The first two were ones highly recommended and most frequently used. One was ok, the other I hated. I finally told a builder exactly what I was looking for. He spec'd out a cam for me that I absolutely loved.

The key here is know what you want and find someone you trust that is willing listen to you. Once they have something for you, question what about each spec is going to meet your list. ie, idle, powerband (high, low, or my favorite broad) etc. Nothing sucks worse than paying for something you wind up not liking it.
now do after market cams put more stress on a engine ?
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Old 11-28-2010, 08:04 PM   #15
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now do after market cams put more stress on a engine ?
non expert here..... but i'll bet..... any added stress is directly proportional to the effect the new cam has on the pleasure sensors in your brain which are then transferred thru your right foot......
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Old 11-28-2010, 08:05 PM   #16
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now do after market cams put more stress on a engine ?
The biggest stress will be on the pushrods and valvesprings, which any good shop is going to upgrade for you in the swap.
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Old 11-28-2010, 08:07 PM   #17
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non expert here..... but i'll bet..... any added stress is directly proportional to the effect the new cam has on the pleasure sensors in your brain which are then transferred thru your right foot......
lol well said
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Old 11-28-2010, 08:08 PM   #18
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The biggest stress will be on the pushrods and valvesprings, which any good shop is going to upgrade for you in the swap.
ok ya the cam kit will include all of that
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Old 11-28-2010, 08:22 PM   #19
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now do after market cams put more stress on a engine ?
Yes but how much depends on the cam. As mentioned other parts should be upgraded. Not sure on the LSx how this effects things like timing chain, or the next weak point in the system? All things you will cover with the builder.
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Old 11-28-2010, 08:25 PM   #20
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Yes but how much depends on the cam. As mentioned other parts should be upgraded. Not sure on the LSx how this effects things like timing chain, or the next weak point in the system? All things you will cover with the builder.
ok so if you upgrade everything that needs to be upgraded then you wont put more stress on the motor, correct ?
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Old 11-28-2010, 08:43 PM   #21
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mike i am getting a stroker kit so i will need a larger cam.look up sound clips on this forum,nice but not nuts.
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Old 11-28-2010, 08:46 PM   #22
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ok so if you upgrade everything that needs to be upgraded then you wont put more stress on the motor, correct ?
Ideally. I'm sure it depends on how aggressive the cam is. At some point your stock transmission will become the week link.

When I traded in my car for the Camaro it had 96k miles and probably 70k was with an aftermarket cam. My transmission was built at one point early in the game. The car was still in great shape when I let her go. Just have to mod smartly. Good luck and enjoy.
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Old 11-28-2010, 09:36 PM   #23
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From what your exspressing, you are not using the Camaro as a daily driver but dont want to sacrifice its smooth drivibility...Like indeedss1 had said, just have to mod smartly. If you upgrade transmission, suspension, gears before the cam build...then you will have the overall car you want. You dont want to sacrifice reliabilty, comfort, and driveability for another 48 hp over time. You can always do the cam build, upgrade tranny if/when it goes, gears if/when they go, but I would upgrade the suspension to stiffen it up some to help you maintain control.
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Old 11-28-2010, 09:39 PM   #24
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From what your exspressing, you are not using the Camaro as a daily driver but dont want to sacrifice its smooth drivibility...Like indeedss1 had said, just have to mod smartly. If you upgrade transmission, suspension, gears before the cam build...then you will have the overall car you want. You dont want to sacrifice reliabilty, comfort, and driveability for another 48 hp over time. You can always do the cam build, upgrade tranny if/when it goes, gears if/when they go, but I would upgrade the suspension to stiffen it up some to help you maintain control.
ya, thats right on! i was thinking maybe going a different route before the cam... know i need some info on some good transmission upgrades and suspension upgrades, and new gearing
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Old 11-28-2010, 09:57 PM   #25
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A little cam 101... most of this is just a "rule of thumb"

There are three things that are generally listed when you look at cam specs

Cam Duration @ .050 lift
Lift
LSA

The ones you want to pay more attention to is the duration numbers and LSA..... lift is pretty much negligable.

First is the duration. This should be the first number you look at. It is generally going to tell you how "big" the camshaft is. IMO something with a 224 intake duration is extremely mild... 228 duration is mild.... 231 is getting there.... 236 is balls out. Generally speaking, the bigger those numbers are, the more power it's going to make. Also the higher those numbers go up, usually the powerband goes higher..... meaning your 224 cam is going to make peak power at 5800 rpms... while your 231 camshaft is going to make it at 6500 rpms. This is of course, all just a rule of thumb.... each individual grind spec for a cam is different and there are plenty of cams that contradict what I just said, but for the most part, that's how it is.

Lots of people look at lift numbers and judge how big a cam is by that...... I have played with low duration/high lift cams before, and I can tell you, that should be the last thing you look at.

next is your LSA or Lobe Seperation Angle. This plays a huge factor in driving characteristics, idling, powerband. You have your "narrow" lsa's (110-112 LSA) and your wider LSA's (114-116). The benefit of your narrow LSA is that it gives you that nasty "drag car" rumble, it gives a smaller (but generally speaking higher) powerband, and are more prone to "cam surge" (bucking in lower (<1500 rpms)). A wider LSA will give you just the opposite. N/A cars tend to like narrow LSA's more, and forced induction cars tend to like wider LSA's... nitrous cars, it depends on how much is being sprayed.

Now a lot of people are going to tell you xxxx cam is not streetable... xxxx cam drives like crap... xxxx cam doesnt make enough power. The bad thing is, you can NOT measure on of the main factors in selecting a cam for a car you drive on the road... and that's DRIVEABILITY. What one person considers driveable, another person considers horrible. For instance, I had the texas speed 231/236 cam on a 112 LSA in my car, and I thought it drove damn near stock, and was a little too tame for my tastes.... and there are a few people on this board that claim that it is in now way driveable on the street.

Your best bet is to get a general idea of what you want, and see if anyone around you has something similiar, and see if they would be nice enough to give you a test drive/take you for a ride. That way you can figure out what your tastes are, and you can pick the right camshaft the first time
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