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worth replacing my LS2 intake with LS6

This is a discussion on worth replacing my LS2 intake with LS6 within the External Engine forums, part of the LSx Technical Help Section category; I was wondering if it is worth picking up a new (to me) intake. My car has limited mods...cme, msd ...

  1. #1
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    worth replacing my LS2 intake with LS6

    I was wondering if it is worth picking up a new (to me) intake. My car has limited mods...cme, msd plugs, wires, and coil packs, smooth bellows, slp lid, and high flow filter. I intend on cuttin out the cats and sending my computer for a tune.

    So question is what is the hp gain...is it worth the 300 to change out the intake before I tune?

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    Impounded
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    Its an ls1 intake your changing out.. but yes its totally worth it

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    15 sec. Oh yeah, its fast UTVols98's Avatar
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    Go ahead and replace it, especially for 300. It'll help you out with other mod's down the road.

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    Auto Painter RyanJM's Avatar
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    I would say yes for that price. More power is always better. the LS6 is a good intake.

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    nut butter Poppn's Avatar
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    i'm curious to this as well....

    what are epxected power gains from a relatively stock ls1 with the ls6 intake?

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    15 sec. Oh yeah, its fast UTVols98's Avatar
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    5-10 RWHP. Pretty minimal. You won't feel it, but it'll help you out with mods down the road.

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    Senior Member Zboner's Avatar
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    personally I would just get the 90 from FAST

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    15 sec. Oh yeah, its fast UTVols98's Avatar
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    Well, yeah. It's the best, but it's over 1100 with intake and TB.

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    Senior Member Zboner's Avatar
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    well might as well not wasit 300 then on the LS6 intake

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    King 0f n00bz shady milkman's Avatar
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    i like the ls6..i felt a big gain up top.

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    Can you run the same tb that is on the LS1 intake with the LS6??

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    Senior Member 00z28bubba's Avatar
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    Quote Originally Posted by racingrev View Post
    I was wondering if it is worth picking up a new (to me) intake. My car has limited mods...cme, msd plugs, wires, and coil packs, smooth bellows, slp lid, and high flow filter. I intend on cuttin out the cats and sending my computer for a tune.

    So question is what is the hp gain...is it worth the 300 to change out the intake before I tune?
    if you can i honestly would do as much as possible to get some long tube headers in there aswell before the tune. you get one more mod in that messes with the tune and you would only have to tune it once as opposed to tuning it after your listed mods and gettin a retune after the headers. saves you a few hundreds down the line. but definitely do the tune after the intake. to drop some emissions equipment the ls6 intake doesnt have. and either fab up some block off plates or buy some for the egr tube coming from the exhaust manifolds. you will either need to delete the egr system or drill a hole in the ls6 intake to make it fit in. i would rather delete it because it makes the engine bay cleaner looking.

  13. #13
    The Bandit Wesman's Avatar
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    Quote Originally Posted by UTVols98 View Post
    5-10 RWHP. Pretty minimal. You won't feel it, but it'll help you out with mods down the road.
    Definitely makes a difference one you have other mods.

    In stock form its probably good for 5-10WHP like you said, but with full bolt ons, the difference is more like 15-20WHP.

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    great thanks for the input all!

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    Senior Member 00z28bubba's Avatar
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    Quote Originally Posted by UTVols98 View Post
    5-10 RWHP. Pretty minimal. You won't feel it, but it'll help you out with mods down the road.
    in peak numbers maybe not a huge gain but it is meant for the full power band as opposed to just peak numbers. but it is a great mod for complimenting other parts.

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    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by racingrev View Post
    Can you run the same tb that is on the LS1 intake with the LS6??
    yes the 78mm 3 bolt design

  17. #17
    Nitrous Tuner LS2Tuner's Avatar
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    So your now running a 78mm throttle body on a 90mm intake?
    Don't be afraid of the bottle!!! Be afraid of your tune!!!

  18. #18
    Veteran Hi-Po's Avatar
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    Ive heard the 90mm LS2 intake doesnt even flow as well as the LS6.

  19. #19
    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by Hi-Po View Post
    Ive heard the 90mm LS2 intake doesnt even flow as well as the LS6.
    ive herd that too..but with some porting then you have a 90mm setup that can outflow a ls6 and keep up with a unported fast 90

  20. #20
    Veteran Hi-Po's Avatar
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    I highly doubt it ever performs to even an UNported FAST.

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