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

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Old 06-16-2013, 04:44 PM   #1
Bahrain5666
 
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Ls9 cam

Im thinking of installing ls9 cam in my ls3 camaro...
Need some more info ..
Will i need to change anythig beside the cam and 3 bolt?
Whats the hp gain from that with few bolt-ons and a good tune?
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Old 06-16-2013, 04:48 PM   #2
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Search for Jason from TSP he posted results from an Ls9 cam and it was only marginal.

IMHO there are waaaay better cams than that.
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Old 06-16-2013, 04:48 PM   #3
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Old 06-16-2013, 05:10 PM   #4
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a good 25 to 30rwhp out of that LS9
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Old 06-16-2013, 05:12 PM   #5
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Tried and need more info
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Old 06-16-2013, 05:13 PM   #6
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a good 25 to 30rwhp out of that LS9
Thats with or without tune?
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Old 06-16-2013, 05:13 PM   #7
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a good 25 to 30rwhp out of that LS9
On an engine dyno.
Less when you get driveline losses.
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Old 06-16-2013, 05:14 PM   #8
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Search for Jason from TSP he posted results from an Ls9 cam and it was only marginal.

IMHO there are waaaay better cams than that.
Thanx
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Old 06-16-2013, 05:37 PM   #9
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Thats with or without tune?
Thats tuned, untuned it'll be about 15 or so. That cam likes boost for it to shine.
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Old 06-16-2013, 05:51 PM   #10
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Search for Jason from TSP he posted results from an Ls9 cam and it was only marginal.

IMHO there are waaaay better cams than that.
Quote:
Originally Posted by 62nalide View Post
Thats tuned, untuned it'll be about 15 or so. That cam likes boost for it to shine.
ARH LT headers + ported throttel + slp pulley + vararam tune model + ls3 ported head + muffler delets + ls9 cam.. A tune is a must.. What do u think
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Old 06-16-2013, 05:54 PM   #11
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Search LS9 cam and there's like 14 pages of threads. Search ADM and LS9 cam, or ADM stage 1 cam and they posted before and after dyno's on a completely stock car back in 2009.

It's worth 20 rwhp at peak, more then 20 past peak (increase your rpm limiter with your tune), but you'll give up some power below 3,500rpm.

Idle's at 550 rpm. You don't need to upgrade the valvetrain at all with this cam. I've got 25,000 miles with it in and no issues but I installed it with 800 miles. If you've got high mileage you may want to upgrade a few things.
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Old 06-16-2013, 05:55 PM   #12
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there are just so much better cams than this one... if I'm going to the trouble of a cam swap, i'm going to want more than 25-30whp...
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Old 06-16-2013, 06:03 PM   #13
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http://www.camaro5.com/forums/showth...ight=ADM+stage

These results are WITHOUT a tune or C.A.I.. 60rwhp and 50rwtq from headers and $100 cam.
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Old 06-16-2013, 06:19 PM   #14
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ARH LT headers + ported throttel + slp pulley + vararam tune model + ls3 ported head + muffler delets + ls9 cam.. A tune is a must.. What do u think
With everything combined it should be pretty good once tuned.
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Old 06-16-2013, 07:16 PM   #15
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Hmmmm
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Old 06-17-2013, 04:40 PM   #16
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Cam options that dont require changing springs or rods... Any optipns?
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Old 06-17-2013, 05:44 PM   #17
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Cam options that dont require changing springs or rods... Any optipns?
Stay under .570 lift with the LS3 springs.

Keep duration under ~230. Too fast of a lift can require a stiffer spring.

if you want choppy sound, get an LSA of < 114 (positive overlap @ 0.050", I didn't run the numbers)

if you want stock sound get a LSA of > 118 (negative overlap)

Use this to calculate overlap: http://www.wallaceracing.com/overlap-calc.php

Stock is -11°, +11 is very choppy
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Old 06-17-2013, 06:28 PM   #18
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In tha case get the GM Asa cam. It was a nice cam back in the day.
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Old 06-17-2013, 07:05 PM   #19
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Cam options that dont require changing springs or rods... Any optipns?
Why wouldn't you want to? Your spending how ever much on the cam/tune whats another 300 for stronger springs and rods? I guess I just don't understand wanting more power with out the added safety/protection.
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Old 06-17-2013, 08:57 PM   #20
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Why wouldn't you want to? Your spending how ever much on the cam/tune whats another 300 for stronger springs and rods? I guess I just don't understand wanting more power with out the added safety/protection.
I totally agree with you im just researching and getting options and thought... Thanx for ur thought
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Old 06-17-2013, 09:16 PM   #21
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Why wouldn't you want to? Your spending how ever much on the cam/tune whats another 300 for stronger springs and rods? I guess I just don't understand wanting more power with out the added safety/protection.
There could be a reason why he's asking about a budget cam.... $$$

Not everyone has the cash to spend $,$$$ to some more power.

I often wonder why people spend $,$$$ making 500+ hp power but then can't afford to buy tires or suspension to put it to the ground.

Then at the track they get smoked by the 4XXhp cars that can hook!
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Old 06-17-2013, 09:30 PM   #22
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Plus some people don't want the increased Valve train wear and/or don't want to change out Valve springs every 25,000 miles or so,which is recommended by most.

The LS9 cam is a win-win for budget and long term maintenance free durability especially if you going to add a blower later.
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Old 06-18-2013, 04:09 PM   #23
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Plus some people don't want the increased Valve train wear and/or don't want to change out Valve springs every 25,000 miles or so,which is recommended by most.

The LS9 cam is a win-win for budget and long term maintenance free durability especially if you going to add a blower later.
^ this.


plus......

1. Stiffer springs means a thinner oil layer b/w valve train parts... but your ZDDP content in that layer is now much lower......... unless you change to racing oil (with >ZDDP) which is recommended for stiff springs.

2. Most of us are not as good at installing the valve train parts as the techs/robots at the factory.

3. You are more likely to drop a retainer or trash in the block..... than if you leave them alone.

3. LS3 springs and push rods are proven on hundreds of thousands of cars... any spring/pushrod company cant possibly have tested even .01% of the LS3 market... so there are assumptions made here.

4. LS3 springs and push rods are free if you already have an LS3.

5. Changing springs/pushrods took me almost all day on a Saturday with a $100 compressor tool... and that was not a fun day.


... if you want to keep your cam specs tame enough so that you can keep the stock valve train, you are wise. Some people cannot keep those specs low because they are power hungry (like myself).
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Old 06-18-2013, 04:21 PM   #24
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Originally Posted by Irnwkrkev View Post
http://www.camaro5.com/forums/showth...ight=ADM+stage

These results are WITHOUT a tune or C.A.I.. 60rwhp and 50rwtq from headers and $100 cam.
And look at the base line run , KR@3750 and never recovered.
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Old 06-19-2013, 09:11 AM   #25
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My lunati cam, has nice lope and works with stock valve train... grind was ment for l92 heads... Also makes real power! Needs nothing but the cam and tune, its the best bang for the buck cam swap period! Good luck
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