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

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Old 02-08-2011, 03:00 PM   #1
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LS7 top end / cam idle video

Finally Finished the M6, still sorting the tune but here is a video of it idling on 2" custom headers and stock exhaust.

Small bore LS7s
Stock LS7 Intake
Stock Throttle
Stock Airbox (for the moment)
Custom Cam

embedded now, thanks caverman...
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Old 02-08-2011, 03:02 PM   #2
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sounds good. but if i was you i would get new mufflers and CAI
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Old 02-08-2011, 03:06 PM   #3
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Waiting on a Vararam and still deciding what kind of mufflers I want to run...
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Old 02-08-2011, 03:09 PM   #4
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Nice, sounds good!
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Old 02-08-2011, 03:12 PM   #5
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Sounds AWESOME!!!
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Old 02-08-2011, 03:21 PM   #6
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wow, that sounds damn good for the stock exhaust, I need a cam now.
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Old 02-08-2011, 03:27 PM   #7
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it's a beast
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Old 02-08-2011, 03:36 PM   #8
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Sounds mean!


To embed is easy just wrap the video ID in {u2b}VideoIDhere{/u2b}. Just use square bracket instead. [ ] instead of { }.

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Old 02-08-2011, 03:41 PM   #9
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Sounds great
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Old 02-08-2011, 05:44 PM   #10
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What company's heads do you have on there?
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Old 02-08-2011, 05:49 PM   #11
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what cam is that cause it sounds sick and i may want to get it
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Old 02-08-2011, 05:50 PM   #12
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Quote:
Originally Posted by jamesc1123 View Post
What company's heads do you have on there?
i think he is running stock GM LS7 heads
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Old 02-08-2011, 06:02 PM   #13
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i can't wait to see the numbers for this
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Old 02-08-2011, 06:10 PM   #14
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Quote:
Originally Posted by LC View Post
Waiting on a Vararam and still deciding what kind of mufflers I want to run...
I would keep the stock cans with the LT's. The stock ones sound awesome under WOT and don't get that much drone. Just paint them black and your good to go ...
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Old 02-08-2011, 06:35 PM   #15
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Heads were custom made to fit the small bore.
Xceldryne Ti valves, CNC port, Valve job, blending, etc.
Cam is custom too.

the stock exhaust sounds awesome at WOT, like I said in other thread, sounds like raped ape eating fiberglass insulation, however, drivers side can is rattling and must go.
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Old 02-14-2011, 07:33 PM   #16
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Sounds perfect! Who grinds your cams?
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Old 02-14-2011, 09:26 PM   #17
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That sounds great!!!

Tell us more about your custom 2" headers...
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Old 02-14-2011, 11:56 PM   #18
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Quote:
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Sounds perfect! Who grinds your cams?
PMd

Quote:
Originally Posted by 14pilot View Post
Tell us more about your custom 2" headers...
they had to be custom, the angle of the heads is different, a set of headers made for a stock camaro won't fit, I have some pics



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Old 02-15-2011, 12:02 AM   #19
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I KNEW you had pics you weren't sharing.....

Cam sounds FANTASTIC!!!

Where ya gonna mount your AFX? I think it looks kinda cool...
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Old 02-15-2011, 12:04 AM   #20
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Sounds Good! Kooks made my 2" inch headers for my LS7 heads. Nice Build! Good Job!
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Old 02-15-2011, 12:07 AM   #21
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I have to make some flybys of both cars, they both sound just... awesome...

I only use the AFX to tune, most accurate wideband with TGK sensors... I don't think I will run a proper wideband on the m6 car, all the other boosted cars run with LC1s, cheap and accurate enough :P
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Old 02-15-2011, 08:43 AM   #22
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Subscribed.... should put down some good numbers.
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Old 02-15-2011, 09:33 AM   #23
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Did you happen to check your exhaust valve clearance from the cylinder wall? We made sizeable changes to the PRC small bore LS7 castings to get it to properly fit so I'd be suprised if this works long term without a sizeable potential for valve to cylinder contact.

We made over 40hp gains from a stock head with the ported PRC LS7 heads swapped on to our L99 engine dyno motor. The heads & intake combo makes the LS3 want to rev just like the LS7 engine, and they cost some hp down under 3800rpm in our testing.
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Old 02-15-2011, 04:14 PM   #24
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The heads were meticulously done and very verY veRY vERY VERY EXPENSIVE and at the end not that much...
I could go on and on but I will just say...

you need some damn well done valve guides to pull it off!
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Old 02-16-2011, 10:34 AM   #25
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Fresh valve guides are not the issue with this. It's after you run them for a while that becomes the issue. The issue is, if the exhaust valve wasn't moved away from the cylinder bore, you have less than .01 clearance to the cylinder.
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