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Debating over LS6 Manifold...

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Old 11-28-2007, 11:18 PM
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Default Debating over LS6 Manifold...

Hey guys (and gals).

I am content with the power my LS1 puts out. It is also my DD, and I don't think I'll ever go into the internals... Unless the engine prematurely fails and I need a rebuild. I would have bought a lest prestige Camaro if modding it was my main goal.

Anyways, my bolt-ons are just Pacesetter LT headers, TSP true dual exhaust w dynomax bullet mufflers (done by previous owner) and a MTI CF Lid. The LS6 intake manifold, if I do it, will be the last engine mod (I don't want to do UD puller etc.)

I'm just debating if, for my case, if it would be worth the 450 or so dollars - (would get the SLP w/ EGR). Is the power increase that decent for a stock (internal) LS1?

I dono, I am just on the fence, and don't want to mess anything up. I guess I am looking for fellow LS1 owners insight, as it may help where my mind is pondering. I plan on getting the car dyno tuned afterwards (or before if I don't do the intake anyways) just because I think it has a stock tune with the new exhaust and it seems to be running a tad rich.
Old 11-28-2007, 11:39 PM
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I put the slp w/ EGR LS6 manifold on my car and it definitely felt better in the top end. I only spent around 300 and i bought it used off this site. Look around, there are deals out there...
Old 11-28-2007, 11:42 PM
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Do it. And grind the lip off the throttle body. Hard to mess anything up. Do the egr mod. You will be happy. Easy 15 to 20 rwhp.
Old 11-28-2007, 11:44 PM
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Will the LS6 intake make any real gains on a stock LS1 with just a lid?
Old 11-29-2007, 01:20 AM
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Originally Posted by E V I L
Will the LS6 intake make any real gains on a stock LS1 with just a lid?
Kind of what I wonder.

But yeah, I am really interested in this mod... It's just I am trying to save up for some Koni's...

Gahhh
Old 11-29-2007, 01:22 AM
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its a good bolt on... one that about anyone with the money gets.... because if your a true fan of cars and engines it wont be your last upgrade... and in the end you will need it to compliment the other bolt ons...
Old 11-29-2007, 10:24 AM
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you will notice the performance and yes it does flow better than your LS1 manifold . . . i know and so do others. with a tune and your mods you'll be happier
Old 11-29-2007, 10:31 AM
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true, true!! Get it, you'll be happy you did. SLP has the complete package, coolant lines, gaskets, and all for $411.95,,i think they are doing free shipping right now too!!!!
Old 11-29-2007, 02:09 PM
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I see it as if this is the "last" mod you want to do, then go for it. I would say do a cam instead, but if you don't really want to get that deep into the engine the LS6 is the next best thing. Gears would be good to but i would hate to recommend some 4.10s and then the stock 10-bolt takes a **** on you. So in my opinion the LS6 is a really good mod for an LS1.
-Joel
Old 11-29-2007, 06:57 PM
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Originally Posted by 2000Hawk
I see it as if this is the "last" mod you want to do, then go for it. I would say do a cam instead, but if you don't really want to get that deep into the engine the LS6 is the next best thing. Gears would be good to but i would hate to recommend some 4.10s and then the stock 10-bolt takes a **** on you. So in my opinion the LS6 is a really good mod for an LS1.
-Joel
unless you DD it, then i would recommend against 4.10's and just a 224/224 cam with longer pushrods, valve springs, timing chain and a new oil pump . . . or just the LS6 hahahaha
Old 11-29-2007, 07:40 PM
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I'm pretty content with the power it has right now.

I'm still in college BTW, and I work a lot and make god money all the same, but I don't think I'll be modding the engine at all from where it is right now.

It is in such nice condition, a medium metallic blue with less than 30k on it. I just want to drive it and maintain it really. I think I might pass.

If/when I get another Z28/SS, I'd get one that is less "cherry" I guess, and thus messing around with the engine would be fine with me... and this would be when I'm out of college etc etc.
Old 11-29-2007, 07:54 PM
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I sold my LS6 intake for $300. Look around, they're out there.
Old 11-29-2007, 07:59 PM
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I'd like to keep my EGR however... that means spending over 500 dollars.

300 I'd do.
Old 11-29-2007, 08:10 PM
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Originally Posted by CranMaro99
I'd like to keep my EGR however... that means spending over 500 dollars.
300 I'd do.
not neccessarily, just look around and you'll find one. why might i ask do you want to keep the EGR????
Old 12-01-2007, 05:19 PM
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Here are my gains...


https://ls1tech.com/forums/dynamometer-results-comparisons/242154-before-after-ls6-intake.html
Old 12-02-2007, 01:28 AM
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You can buy the EGR adaptor and install it in an OEM manifold yourself. I think that Lingenfelter sells them for like 50 bucks (Don't quote me on that). I have an LS6 sitting in my garage waiting to get installed, once I get my clutch issues worked out. I am anxiously waiting to get that manifold on.

Josh
Old 12-02-2007, 01:58 AM
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Hey, Bad Blue WS6 were do you see SLP selling a complete package all for $411.95?
Please let me know?
Thanks
Old 12-02-2007, 02:57 AM
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Originally Posted by Mike00ss
Hey, Bad Blue WS6 were do you see SLP selling a complete package all for $411.95?
Please let me know?
Thanks
I dont know where he found it for $411.95, but Summit Racing has it for $459.95
Old 12-02-2007, 09:58 AM
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Originally Posted by King Nothing
not neccessarily, just look around and you'll find one. why might i ask do you want to keep the EGR????
Must live in a location where it is required for emissions testing. I am in the same situation. Sucks.
Old 12-02-2007, 12:26 PM
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a ported throttle body would help some also



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