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

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Old 04-30-2013, 03:34 PM   #1
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500rwhp L99 brought to you by Lethal Racing!!!

We get a lot of calls about guys wanting that all mighty 500rwhp Naturally Aspirated. I tell them all that it takes some work to get there. Then when they come in and ask if it can be done on a L99 my answer is that it would be hard to do and maintain drivability.

This board member wanted 500 or as close to it as possible. So we happily went to work on a setup that would make the power and still maintain drivability in his L99.

Here is what we cam up with:
Lethal Racing L99 to LS3 Conversion
Lethal Racing Enforcer Cam
PRC LS3 255 Heads Milled to LR Spec
Prototype 2012 Vararam Cold Air Intake
25% Underdrive Pulley/ 160stat
AR 1 7/8 Headers
Yank 3600 stall
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Old 04-30-2013, 03:53 PM   #2
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That's amazing guys! Keep up the good work
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Old 04-30-2013, 03:55 PM   #3
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Power curve looks pretty nice, I likey!
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Old 04-30-2013, 03:58 PM   #4
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That's awesome, I'm glad he went with the titanium valves!!!

We gotta have a drink with bplumcrazy!!!

Awesome work Lethal!!
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Old 04-30-2013, 03:59 PM   #5
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300hp from 3k to 6k rpm! NA!!
Nice
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Old 04-30-2013, 04:34 PM   #6
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I assume thats a unlocked converter since its a Yank? If so that tells me those heads were probably worth alot more extra power. Really stout #'s. Congrats.
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Old 04-30-2013, 05:23 PM   #7
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Great job guys! Its results like this that shows the PRC aftermarket castings are making some power!! Glad your happy with it!!
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Old 04-30-2013, 05:29 PM   #8
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Nice job Shawn and Nick and crew.
car is a beast.
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Old 04-30-2013, 07:45 PM   #9
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Nice work guys!
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Old 04-30-2013, 07:48 PM   #10
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Quote:
Originally Posted by VADER SS L99 View Post
I assume thats a unlocked converter since its a Yank? If so that tells me those heads were probably worth alot more extra power. Really stout #'s. Congrats.
Looks like its a locked converter since they were able to start the pull so low.
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Old 04-30-2013, 07:56 PM   #11
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I think that he would benefit from a FAST 102/ 102 also IMHO.
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Old 04-30-2013, 07:56 PM   #12
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Hell I'd send him mine for testing, all he'd need is a 102 TB!
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Old 04-30-2013, 10:14 PM   #13
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Whats the difference between the Enforcer cam vs Night Fury? Im looking into the PRC 255s with the Night Fury on an LS3. I havent seen that combo yet so Im wondering what the number would look like.
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Old 04-30-2013, 10:26 PM   #14
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Dam!! That looks and sounds good!! Good job Lethal!
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Old 04-30-2013, 10:27 PM   #15
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I was waiting on this Thread.... Saw the car in person last night.

AWESOME JOB LETHAL


Quote:
Originally Posted by Rhino79 View Post
Looks like its a locked converter since they were able to start the pull so low.
^^This

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I think that he would benefit from a FAST 102/ 102 also IMHO.
I think I heard him say this was next.
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Old 04-30-2013, 10:32 PM   #16
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It's a Lil bigger cam, The Enforcer is a Mid 230's Intake, Low 250's Exhaust on a 115 with less that 650 lift. 23x/25x 115+x .6xx It has between 10-13 degrees overlap. If they haven't changed the specs.
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Old 04-30-2013, 10:34 PM   #17
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I was waiting on this Thread.... Saw the car in person last night.

AWESOME JOB LETHAL


I think I heard him say this was next.
Damn the car is in Texas already? No wonder bplumcrazy hasn't been here, he's out there at the track already lol or hopefully racing lol.

Hey Mlee!!
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Old 04-30-2013, 10:43 PM   #18
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Damn the car is in Texas already? No wonder bplumcrazy hasn't been here, he's out there at the track already lol or hopefully racing lol.

Hey Mlee!!
Ha Ha.. yes he was out with us late last night... left in a big cloud of tire smoke. Pretty sure he's headed back to LA this weekend for the track as long as the weather holds out.

This car is a beast!! and you know I love me some L99..
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Old 04-30-2013, 10:43 PM   #19
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It's a Lil bigger cam, The Enforcer is a Mid 230's Intake, Low 250's Exhaust on a 115 with less that 650 lift. 23x/25x 115+x .6xx It has between 10-13 degrees overlap. If they haven't changed the specs.
Im guessing they can run this due to the -2cc relief cuts?
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Old 04-30-2013, 10:49 PM   #20
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500 rwhp L99, Hell yea, great work guys
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Old 04-30-2013, 10:49 PM   #21
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That's and the fact that the PRC's have a 13*? Valve angle for even better PTV clearances and being able to bump compression up!
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Old 04-30-2013, 10:53 PM   #22
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Ha Ha.. yes he was out with us late last night... left in a big cloud of tire smoke. Pretty sure he's headed back to LA this weekend for the track as long as the weather holds out.

This car is a beast!! and you know I love me some L99..
Haha yes sir I do!
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Old 04-30-2013, 11:27 PM   #23
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I had the first ride in this monster, even got to drive it:p.
He was talking about an intake and TB next, I'm sure we'll see it soon. This car is bad ass. Drives good, not a problem for the street, it is a DD. Drives every bit the same as my wifes cammed 434hp. Shifts smoother too. We played around a little on our way back to Houston. I have a ls3 with a Maggie, 560 to the wheels. From 60-70 dead even till around 115-120ish then I started pulling away slightly and we had lots of traffic in front of us. It's got crazy torque. Lethal did an awesome job. Got to chat with Nick while he was putting his own motor in and I was waiting on Brandon. He's a good guy and smart, had experience with his own car so had some good pointers. Seeing Brandons makes me wasn't to get Lethal do some work on mine. Night Fury???
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Old 04-30-2013, 11:29 PM   #24
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It's a Lil bigger cam, The Enforcer is a Mid 230's Intake, Low 250's Exhaust on a 115 with less that 650 lift. 23x/25x 115+x .6xx It has between 10-13 degrees overlap. If they haven't changed the specs.
Can't remember exact specs, but sounds about right.
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Old 05-01-2013, 07:58 AM   #25
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It's a Lil bigger cam, The Enforcer is a Mid 230's Intake, Low 250's Exhaust on a 115 with less that 650 lift. 23x/25x 115+x .6xx It has between 10-13 degrees overlap. If they haven't changed the specs.
those are the specs except for the lsa I have 113
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