How to tell what's been done?
Thread Starter
Launching!
Joined: Dec 2010
Posts: 211
Likes: 0
From: Ohio
How to tell what's been done? So my problem is this... I bought my car in March. I drove it all summer and the only thing I've done to it so far is tune up... This has to change since it's winter and it's time to Mod 
I was going through my Engine Bay a lot lately. Reading posts and comparing where to start and best bang for your buck..
I see an aftermarket Lid, MAF, This makes me wonder. The next thing I wanted to do was P&P my TB and Ls6 Intake Manifold to get that extra horsepower before I start piecing a good exhaust system together.
But the previous owner seemed to know what he was doing. What if he already did it? He was a member on here back in 05' he said. I've lost all contact with him. Is there an easy way to check? If I send my TB and intake manifold in will the shop be kind enough to say it's already been done? Thanks in advance all.
I was going through my Engine Bay a lot lately. Reading posts and comparing where to start and best bang for your buck..
I see an aftermarket Lid, MAF, This makes me wonder. The next thing I wanted to do was P&P my TB and Ls6 Intake Manifold to get that extra horsepower before I start piecing a good exhaust system together.
But the previous owner seemed to know what he was doing. What if he already did it? He was a member on here back in 05' he said. I've lost all contact with him. Is there an easy way to check? If I send my TB and intake manifold in will the shop be kind enough to say it's already been done? Thanks in advance all.
Thread Starter
Launching!
Joined: Dec 2010
Posts: 211
Likes: 0
From: Ohio
Edit: Gotcha ^
I went searching and found one engine bay picture.. Hope it says anything about my intake manifold.. >.>
Thanks guys speedy replies. Appreciated
Last edited by versz; Dec 28, 2011 at 11:28 PM.
10 Second Club
Joined: Jan 2010
Posts: 2,317
Likes: 20
From: Hurley, VA
Yea you've got an LS6 intake. On the TB you should be able to feel next to the blade for a ridge. If you can't feel a big hump and it seems to be smooth then its been ported. You could probably find pictures of a stock TB online and compare the outer edge thickness to yours. If its ported it should be quite a bit thinner.
On The Tree
Joined: May 2010
Posts: 113
Likes: 0
From: Kailua HI
I had the same problem when I bought mine. What I did was look for any type of marking or part number on all the common aftermarket bolt on's I.e. heads, intake MAF. And then google the numbers I found to see if they were stock.
Thread Starter
Launching!
Joined: Dec 2010
Posts: 211
Likes: 0
From: Ohio
So I got into tearing it down. It seriously took not even a full minute to get that intake off the TB but it definetly took a minute to take in how dirty it was in there. Any suggestions on this? Or what caused it to be this dirty? It was caked in passed the TB thats for sure.
What's your guys' opinions?
Edit:
Made in USA on the side of it I forgot to mention if you guy's cant see it (Was taken with my Droid X2) does this mean it's aftermarket?
What's your guys' opinions?
Edit:
Made in USA on the side of it I forgot to mention if you guy's cant see it (Was taken with my Droid X2) does this mean it's aftermarket?
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Unless you are getting it done cheap, no need to port the ls6 intake. You can port the runners a little, but for the most part the ls6 is fine. You will definately benefit from a tune but it's not required.
Your best bet is to leave the intake alone. Get your tb ported and powder coated red to match your car (several places that will do it can be contacted through here) and put on exhaust and then tune it.
Thread Starter
Launching!
Joined: Dec 2010
Posts: 211
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From: Ohio
My catback for instance is the SLP CME from the factory (SLP Dual/Duals) and it sounds pretty sweet but the Y-pipe is just horrid plumbing
but when I go to try to replace the Y-pipe people say you need headers TOO. then I want LongTubes because there's no point in getting mids or shorties. Then you need a Tune.. your going ***** deep in over a thousand dollar build already when all you wanted to buy was a 100 dollar y-pipe.. >.> 
Welcome to the hobby. It's expensive. You've got 3 choices... Cheap, Fast, Reliable. Pick 2 of them. If you want a y pipe you need headers unless you buy SLP's y pipe for stock manifold but it's a complete waste of money. For a good y pipe you need headers. With that you need new gaskets, bolts, o2 extensions, and a tune. While your there you might as well install new motor mounts and 2 new oxygen sensors along with new spark plugs. Speaking of plugs, while your doing headers you might as well get upgraded wires too. But hey look on the bright side, you get to keep the SLP CME which is one of the most sought after catbacks. You could buy a $700 GMMG.
10 Second Club
Joined: Jan 2010
Posts: 2,317
Likes: 20
From: Hurley, VA
Yea I wouldn't mess with the intake. You could always port the tb yourself. I bought a dremel tool from wal mart and I've ported two in the last few days. I mean I'm not Shaner but they turned out pretty good.
You cannot port a ls6 intake. There is really no way to get inside to port one.. It is one solid piece where a FAST is 3 piece so you can get to the runners to port....
Do exhaust first and when you do cam or bigger mods like cam + heads is it necessary to go to a better intake like FAST. The 102 is all they sell now but honestly a used 90/90 will do as well for most of us at or below 400ci....
Do exhaust first and when you do cam or bigger mods like cam + heads is it necessary to go to a better intake like FAST. The 102 is all they sell now but honestly a used 90/90 will do as well for most of us at or below 400ci....
