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Old Apr 18, 2005 | 04:36 PM
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Default LS6 intake

Would adding an LS6 intake to my C5 which has air intake and corsa exhaust be worth the trouble? Power increases??? I could pick one up fo $270.
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Old Apr 18, 2005 | 04:45 PM
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For 270 I would say yes. With only a Blackwing I picked up 6HP and 9TQ at the wheels. The 300 range for our cars is a cheap mod, plus it will yeild even more HP/TQ if you add headers. Make sure you do not have the LS6 intake now is your Vette 00 or earlier?
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Old Apr 18, 2005 | 04:48 PM
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It's a 97, i will probably add long tubes later
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Old Apr 18, 2005 | 04:54 PM
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Go for it at 270.00.
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Old Apr 18, 2005 | 05:08 PM
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For that kind of price, I would say go for it.
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Old Apr 18, 2005 | 05:16 PM
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Looking at your mods., personally I would take the $270 and put it towards a MAF sensor or a throttle body. $270 is a great price for the LS6 manifold. But remember you still have to install it and unless you DIY you might be looking at some $$$. Take care and good luck.
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Old Apr 18, 2005 | 05:29 PM
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I will be putting it in myself
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Old Apr 18, 2005 | 05:34 PM
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Originally Posted by 2young2driveavette
I will be putting it in myself
I would still suggest the MAF or throttle body. Your LS1 intake can support 400+ hp. Your not close to that.
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Old Apr 18, 2005 | 06:25 PM
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I think you would be crazy to think you will get more increase from MAF or Throttle body than a LS6 intake, the aftermarket MAF can actually cost you HP in some cases!
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Old Apr 18, 2005 | 06:35 PM
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Originally Posted by 99SoCalFRC
I think you would be crazy to think you will get more increase from MAF or Throttle body than a LS6 intake, the aftermarket MAF can actually cost you HP in some cases!
to an extent. I havent seen any evidence to support upgrading these for significant gains, especially considering their cost.
I was wondering what gains to expect with the LS6 manifold myself. I have a 2000 coupe with blackwing, headers, and exhaust. LS1howto.com claimed a gain of 24rwhp after switching the manifolds. However, I think he was also running a cam because he went from 380rwhp to over 400rwhp. These gains seemed absurd, but I just dont know. Deals arent that great right now for the LS6 manifolds either, $450 shipped from fred beans. I would hop on the $270 deal if i were you.
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Old Apr 18, 2005 | 06:41 PM
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For three bills I would do the LS6 manifold. I paid nearly twice that a few years ago.

Mark
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Old Apr 18, 2005 | 06:45 PM
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Originally Posted by 99SoCalFRC
I think you would be crazy to think you will get more increase from MAF or Throttle body than a LS6 intake, the aftermarket MAF can actually cost you HP in some cases!
Did I say you will get more increase from MAF or Throttle body than a LS6 intake??? I don't think so. Stop reading into it. I said that with his current mods, his LS1 intake could support his HP/torque gains. Your welcome for the translation
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Old Apr 19, 2005 | 07:15 PM
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I just installed an LS6 intake and LT headers/cats last weekend. The SOTP increase is considerable. Haven't had it dyno'd to tuned but it runs much stronger. The biggest SOTP gain is definitely Torque. I don't know what portion of the increse is attriibutable to the manifold the the combination is great.
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Old Apr 19, 2005 | 07:27 PM
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Go for it!!

Luckily I already have the LS6 manifold - 01 Coupe

EG
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Old Apr 19, 2005 | 09:46 PM
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If that includes the water cross-over pipe and two rear plugs then it's an even better deal! It's actually a fairly straightforward job.
One word of advice though: MIND THE SMALL NYLON VACUUM LINE AT THE REAR when you're re-installing the manifold. I say go for it.
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Old Apr 19, 2005 | 09:48 PM
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for a 97 ... go for it. my 03 is supposted to already have it.
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Old Apr 20, 2005 | 09:00 AM
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I thought the LS6 intake was only worth 5 HP? Isn't that the reason for 5 HP (345-350) increase between the '00 and later engines?
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Old Apr 20, 2005 | 09:18 AM
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Originally Posted by LoneStarFRC
If that includes the water cross-over pipe and two rear plugs then it's an even better deal! It's actually a fairly straightforward job.
One word of advice though: MIND THE SMALL NYLON VACUUM LINE AT THE REAR when you're re-installing the manifold. I say go for it.
You will need long skinny fingers to get this on. GM could have spent $.02 more to give you an extra inch or so on this line. Of course they would probably claim it was to save weight.
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Old Apr 20, 2005 | 09:52 AM
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I would go for it, that's a good price for that intake..this could also help your other future mods if you do some.
I would stay away from an after market MAF and throttle body, not worth the money and little or no gain in performance unless you are going for some huge HP like over 450 or 500..your stock set up will do fine. Plus, I would think you would need to tune your computer/PCM to recognize the different MAF/throttle body to gain any HP. JMO


Last edited by FrankTank; Apr 20, 2005 at 09:57 AM.
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Old Apr 20, 2005 | 05:03 PM
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Originally Posted by WKMCD
You will need long skinny fingers to get this on. GM could have spent $.02 more to give you an extra inch or so on this line. Of course they would probably claim it was to save weight.
Actually an extension to the nylon vacuum line is easy. Most auto parts stores sell the black 1/8" nylon line and then all you need is a couple of the rubber splices, usually sold in the same section. Extend the line by about three inches and all is well.
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