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ls3 fbo 470 whp

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Old 12-29-2015, 12:57 AM
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Default ls3 fbo 470 whp

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Old 12-29-2015, 01:04 AM
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Stock heads?
Old 12-29-2015, 01:08 AM
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factory longblock. Just a bullshit carbon fiber intake from LG, LG 1 3/4 headers and xpipe, and the supposedly "g6x3" cam.

Dragged a grandsport that laid down 510 whp built by chucke cheese @ HHP here in houston, with some bald *** Nittos and him on ET streets. Then again, not sure if he needed a driver mod.

Just looking to see what cam I have without ripping this thing apart.
Old 12-29-2015, 01:24 AM
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HHP sucks ijs.....

470 is about right for a g6x3 cam through an auto with stock heads
Old 12-29-2015, 01:25 AM
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its an M6 not an A6. Hence why i'm leary if it even has a g6x3, or there is something seriously wrong with the engine (which i doubt).

and agreed, HHP is a joke.
Old 12-29-2015, 01:43 AM
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Hmmm yeah I'd look into it then. How's the car running tho?
Old 12-29-2015, 01:52 AM
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Car drives great. Feels plenty strong just somewhat concerned on the number and if it really has a g6 cam if not so I can install one. Don't want to buy a g6 cam then yank everything off to find out I have a g6 after all ya know.
Old 12-29-2015, 02:21 AM
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Yeah I hear that, slap some ported and milled heads lol
Old 12-29-2015, 05:55 AM
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Degree the cam.
Old 12-29-2015, 07:34 AM
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its a hassle to take off everything just to make sure the cam is degreed. Cam was installed by " LG " so I'd assume they would degree it considering they charge about 2k+ for the install. Either way, im just curious as to what other people are putting down with similar mods, thats all. Im almost positive the car doesn't have the g6 but who knows.

Last edited by subeone; 12-29-2015 at 08:21 AM.
Old 12-29-2015, 07:54 AM
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"you let the mph do the talking" but yet you are fixated on whether they dyno number matches the name of the cam you want?

You said the tune was rough and the dyno sheet says LG so can we presume the dyno sheet is from the previous owner with the rough tune?

What is the weight and mph?
Old 12-29-2015, 08:20 AM
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The track is closed so I can't get a MPH number. Reason why I want to see some dyno figures is to compare peak numbers and rpm to figure out if this car has a g6x3 camshaft. Same camshaft should peak in the same area with similar modifications even on different dynos. I can't manage to find a dyno graph from LG that isn't already outdated by the image hosting website or if I manage to find one its of an ls2 or an ls3 with trick flows.

When I say the calibration file was bad, I mean that the means to achieve proper afr's and ignition timing was not the "proper" way. 12.5 AFR leaving the stock maf transfer curve is the same as 12.5 AFR with a proper dialed in maf curve. Both achieve the same fuel mix in different ways. One is right, one is wrong. Power shouldn't change too much at WOT only part throttle. Dyno sheet is from the previous tune file correct.

Thanks for the input

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Old 12-29-2015, 08:53 AM
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Looks right to me. 1 3/4 headers arent doing you any favors and 470-480rwhp is the right number.
Old 12-29-2015, 09:04 AM
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Ask Ivan for his dyno sheet, only thing remember the Air Fuel lvl's where all jacked up in his tune.
Old 12-29-2015, 12:32 PM
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Originally Posted by subeone
its a hassle to take off everything just to make sure the cam is degreed. Cam was installed by " LG " so I'd assume they would degree it considering they charge about 2k+ for the install. Either way, im just curious as to what other people are putting down with similar mods, thats all. Im almost positive the car doesn't have the g6 but who knows.
Well that's how you would know. Comparing Dyno numbers isn't really a good way to tell.

You seem to have a really bad attitude towards LG. If you want to complain about a personal experience, there's a specific section for that. Try to keep it technical in these sections please.
Old 12-29-2015, 12:49 PM
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Originally Posted by KCS
......Comparing Dyno numbers isn't really a good way to tell.......
You can't point at the dyno numbers and state...."I have this cam" or "I don't of that cam"!

Dynos are different. If the same car could be dyno'ed on 10 different dynamometers in exactly the same conditions, it would come up with 10 different HP/TQ readings; especially if the dynamometers are different makes/models.. Even if they were all the same make and model, you'd still come up with different readings....just that they wouldn't have so much variance.

If it were my car and I knew how to tune, I'd get the tune right as best as I could.
Then.....I'd enjoy the hell outta that car.....until the tracks opened up next spring.
Then.....I'd race it over a couple or three weekends to see what it does.

And if it performs where I'd expected, I'd leave it the hell alone.

To me.....you do seem a bit too hung-up on dyno numbers....and you definitely have a perverted obsession (jus' messin' with ya ) with the g6x3 cam.....

KW



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