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Old Jul 12, 2008 | 09:37 PM
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Default Headers or cam

I have a 1999 Firebird formula M6,My mods or Slp loud mouth 1,
SLP clod air induction, Lid, k&n, air filter smooth bellow,ls6 intake, and my car
was tuned, My car dynoed at 326.8 RWHP and 343 ft RWTQ what
mod would you guys do next? Headers or cam. what a better bag for the Buc

Last edited by mike991; Jul 14, 2008 at 11:06 PM.
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Old Jul 12, 2008 | 09:39 PM
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def. headers before a cam. you have to let the engine breath before you can stuff a cam in there.
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Old Jul 12, 2008 | 09:50 PM
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Agreed, go with some Header's before a Cam. I notice you dont have a Ported Throttle Body or upgraded to LS6 Intake Manifold listed for your mods. Those are also some good mods before a Cam.
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Old Jul 12, 2008 | 10:52 PM
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Thanks for posting! what mod will make more RWHP cam or long tube
headers?

Last edited by mike991; Jul 12, 2008 at 11:00 PM.
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Old Jul 12, 2008 | 11:01 PM
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Originally Posted by mike991
Thanks for posting! but what will me more RWHP cam OR or long tube
headers?
Unless you're looking at the TR CheatR cam, the headers will make more power. An engine is an air-pump. As long as the stock manifolds are choking the exhaust, it doesn't matter how big a cam ou put in, it'll be choked and make less than optimal power. AFTER adding headers the cam will make more HP.

Get the headers 1st.....then the cam.
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Old Jul 12, 2008 | 11:19 PM
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Thanks man! my next mod will be American racing headers with cats,
then asp underdrive crank pulley, then cam, my goal is to make 400 RWHP
with these mods will I be there?

Last edited by mike991; Jul 13, 2008 at 05:23 PM.
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Old Jul 12, 2008 | 11:27 PM
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Originally Posted by mike991
Thanks man! my next mod will be American racing headers with cats,
then asp underdrive crank pulley, then cam, my goal is to make 400 WRHP
with these mods will I be there!
Dont forget LS6 or FAST Intake Manifold & Ported TB. You should definately hit 400 with all these mods.
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Old Jul 12, 2008 | 11:55 PM
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I have the ls6 intake manifold, my speed shop does not port TB. he told
me you just get a couple HP with ported TB.
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Old Jul 13, 2008 | 12:12 AM
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Originally Posted by mike991
Thanks man! my next mod will be American racing headers with cats,
then asp underdrive crank pulley, then cam, my goal is to make 400 WRHP
with these mods will I be there?
awsome choice with the headers man, some guys on ls1 tech put mine in for me headers, catted y, and exhaust on in 3 1/2 hours with it 2 feet in the air they slid right in
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Old Jul 13, 2008 | 09:23 AM
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Headers will in no way make more power than a cam the cheatr makes like 35rwhp headers won't unless you have a cam already then headers add on . Exple

My neighbor have headers on a stock t/a I don't I have a ls6 cam with the intake and I beat him by a car and thats a smaller cam just see if I had the cheatr..OOOO
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Old Jul 13, 2008 | 09:32 AM
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One more thing let me give you a list of his mods vs. mines

neighbor 2002T/A ws6 Slp lid, Borla,Kooks header lt ,ory,3.23 ,portedtb,level3 tranny,hypertech tuner.

I have 1999 T/a ws6 Blackwing,portedtb,slpypipe,stock manifolds,vigilante2800lockup,sports predator 3.23..New add on LS6 INTAKE AND LS6 CAM.
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Old Jul 13, 2008 | 12:01 PM
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So if i install a cheatR cam in my car (see sig) I can gain 3 tenths with a tune?
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Old Jul 13, 2008 | 12:30 PM
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If you are wanting to do both headers and a cam, then definitly do the headers first. The cam might give you a little more of a gain initially, but without headers you won't get as much as you should out of a cam swap.
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Old Jul 13, 2008 | 12:44 PM
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i bought pacesetters and through CATS i gained 21 rwhp (Same dyno/weather)...
great mod
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Old Jul 13, 2008 | 10:15 PM
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Originally Posted by omcar
So if i install a cheatR cam in my car (see sig) I can gain 3 tenths with a tune?
Or more.
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Old Jul 13, 2008 | 10:16 PM
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Originally Posted by CaliforniaBoy5
i bought pacesetters and through CATS i gained 21 rwhp (Same dyno/weather)...
great mod
Ls6 cam 26rwhp with out noise..lol
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Old Jul 13, 2008 | 10:18 PM
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Next I'll be adding the ls6 ported heads and will see how much more I pick up.
I already have the cam an intake so heads should top it off.
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Old Jul 13, 2008 | 10:19 PM
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By the way my ws6 sounds like a v6 everyone says but I take off like hell too...lol
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Old Jul 13, 2008 | 10:21 PM
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Originally Posted by zracer323
If you are wanting to do both headers and a cam, then definitly do the headers first. The cam might give you a little more of a gain initially, but without headers you won't get as much as you should out of a cam swap.
Dame you run 12's with those lilttle mods?Thats whats up dude.
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Old Jul 13, 2008 | 10:49 PM
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Originally Posted by mike991
I have the ls6 intake manifold, my speed shop does not port TB. he told
me you just get a couple HP with ported TB.
True, you only get a few HP from a ported TB but it all adds up in the end.
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