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My LS3 418 cid dyno result :(

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Old 08-06-2013, 02:23 AM
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Default My LS3 418 cid dyno result :(

My car is camaro 00'
Mods:
Fast 102 and tb 102 mm
Heads are ls3 stock
Cam comp custom !!!! No specs
Piston 4.070
Crank 4 inch
Headers 1 7/8 american rAcing with 3" y and borla exhaust with fully opend cutout
Gto trans
3.73 axle ratio

Mafless tune brcause i have problem with my MAF sensor and no one could to solve it !!!!!

485 rwhp / 463 rwtq @

I thought it can gave me 500+ rwhp !!!!

Do u think there is some thing wrong with my cam or axle ratio ? Or or or ????
Old 08-06-2013, 02:28 AM
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485 rwhp /463 rwtq @ 95 degree

And my mod for street racing not for 1/4 mile

And its n/a

Last edited by al3flangy; 08-06-2013 at 02:33 AM.
Old 08-06-2013, 06:42 AM
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You never did mention your compression bro. It could be a bit low to take full advantage of your cubes. Also not knowing the cam specs ain't never good eithier. Could be some power left there also. I agree with you your car should be making around 520 or so to the tire easily.
Old 08-06-2013, 07:03 AM
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Compression ratio and cams specs will help in knowing how much power is left. Also, you'll need to get the heads ported to maximize your setup. Don't be too discouraged, w/o a MAF, and the fact that it was as hot as it was changes a lot in the tune and dynoing.

Last edited by 427zm; 08-07-2013 at 10:33 PM.
Old 08-06-2013, 07:29 AM
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Not near enough info to even make an assumption.

What kind of dyno?

How much timing?

What was the A/F?

Can you provide a data log and dyno graph with A/F plotted? Or A/F in a data log?

Compression and cam specs. Without knowing these, hard to tell what the engine SHOULD make.
Old 08-06-2013, 08:23 AM
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I'm surprised it made that much through a y pipe and stock heads. Sounds right to me. Open the exhaust and heads, and you'll see 50-70 more horsepower.
Old 08-06-2013, 09:35 AM
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Really not bad #s for a stock head car. The 418Ci only helps if you have the ability to use it. You have an LS3 with an unknown camshaft making almost 500HP. I say good job. What made you expect more?
Old 08-06-2013, 12:15 PM
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So your disappointed? Want to trade motors? Looks good.
Old 08-06-2013, 08:20 PM
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We make these numbers with H/C stock cubic inch stock bottom end LS3's.

Our office mangers 416 with PRC CNC'd stock casting LS3's we built with every single part being used down to the camshaft and nothing done specific for the combination made 520/485 to the tires through a y-pipe.

Something is off for sure, it could be the cam, it could be the compression it could be the dyno it's on, it could be the tuner etc. etc. etc.

Not a lot of information given.

Also, if this is an automatic transmission I can see the numbers being OK. A decent 416 LS3 with a six speed behind it should be higher by at least 20rwhp IMO.

Last edited by Sales@Tick; 08-06-2013 at 08:25 PM.
Old 08-07-2013, 05:34 PM
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I personally don't think that is too bad considering it still has stock heads on it. With the little information given I wouldn't be too upset about the result. Remember dyno results are the end all be all when it comes to how much power a car makes.
Old 08-07-2013, 09:16 PM
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Without knowing the intake, cam specs, compression and it having stock heads those are not bad numbers.

A longer stroke isn't going to really give that much more top end hp, especially if you don't have the cam and headflow. But it will increase torque all over the rpm range.

So I'm not surprised of those numbers. It's basically a cammed stock heads LS3 with a bunch more torque under the curve from the longer stroke. High 400s for that seems fine.
Old 08-07-2013, 10:31 PM
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Agree with what everyone else, also the specific dyno and DA and heat , drivetrain setup, such as rotational mass killers, ie;stall converter , heavy rims, big dr's...etc..have alot to do with numbers! JUST RUN IT!
Old 08-09-2013, 04:22 PM
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What dyno? Any graph?
Without knowing the cam specs I don't think anyone can help you...
Old 08-11-2013, 11:49 PM
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Not enough but it looks solid.
Old 08-29-2013, 12:57 PM
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You're choking that motor with stock LS3 heads. Have them CNC ported, or go with a TrickFlow 235cc head and you'll pickup a ton of power.
Old 08-29-2013, 12:59 PM
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pft, I'd be stoked if my motor made that kinda power n/a
Old 08-29-2013, 01:11 PM
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Unported heads and your unhappy with 485? Ok
Old 08-29-2013, 07:46 PM
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Originally Posted by TM-96CE
You're choking that motor with stock LS3 heads. Have them CNC ported, or go with a TrickFlow 235cc head and you'll pickup a ton of power.
LOL. . More info needed. Compression., cam specs. dyno as others have said . That said, it probably more power than I'll ever have.
Old 08-29-2013, 07:47 PM
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Is this the cam????????\\

al3flangy
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Vengeance stage VI cam result !!
Hello
I just want to know if there is someone have result with this cam(239/251 624/624 lsa114) on stock bottom LS3 or 416 ,418 cid na ??? Because someone advise me with this cam and i did research but nothing only low millage sale !!!!!!

Thnx
Old 08-31-2013, 10:11 PM
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Originally Posted by Jimbo1367
Is this the cam????????\\

al3flangy
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Vengeance stage VI cam result !!
Hello
I just want to know if there is someone have result with this cam(239/251 624/624 lsa114) on stock bottom LS3 or 416 ,418 cid na ??? Because someone advise me with this cam and i did research but nothing only low millage sale !!!!!!

Thnx

Its not the cam what i already have . But its a suggested cam for me so that i asking about it !


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