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ls6 intake or not?

This is a discussion on ls6 intake or not? within the External Engine forums, part of the LSx Technical Help Section category; I was thinking of buying this but im not sure if its worth the money on a bolt on engine. ...

  1. #1

    ls6 intake or not?

    I was thinking of buying this but im not sure if its worth the money on a bolt on engine. Would something like FAST 92mm be a better option. Im not sure if id notice much with the ls6.

    Heres my setup

    Pacesetter Long Tube Headers
    Texas Speed 3" Catted Y Pipe
    Thunderbolt HighFlow Cats
    MagnaFlow Catback
    SLP Lid
    K&N Filter
    Prothane Motor Mounts

  2. #2
    Senior Member rajiv1998's Avatar
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    Quote Originally Posted by Mike0202 View Post
    I was thinking of buying this but im not sure if its worth the money on a bolt on engine. Would something like FAST 92mm be a better option. Im not sure if id notice much with the ls6.

    Heres my setup

    Pacesetter Long Tube Headers
    Texas Speed 3" Catted Y Pipe
    Thunderbolt HighFlow Cats
    MagnaFlow Catback
    SLP Lid
    K&N Filter
    Prothane Motor Mounts
    Dont waste you money on a FAST unless you have plans for a serious h/c or stroker.
    "Life is to short to drive a slow car"

    Gone but not forgoten: 1998 Pontiac Trans Am M6 "The Black Bandit"
    Bought- 11-18-05
    Sold- 10-14-08

  3. #3
    Member silverz28camaro's Avatar
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    I gained 21 hp over my ls6 with a 232 234 .590 .598 cam with home ported heads

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    Member silverz28camaro's Avatar
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    But if you are going to stay internally stock then stay with the ls6 manifold.

    Also don't get a fast 90 and keep you stock MAF. Many people THINK the stock maf is good for 500hp but it just doesn't work well with bigger tb's.

    The stock maf is 74mm, so why would you use it with a 90mm tb?

  5. #5
    Not sure if I made it clear but right now I have the LS1 intake, not the LS6. Ive been reading alot on it and it seems like a decent mod. I plan to keep the internals stock for a while.

    Thanks for all the responses.

  6. #6
    Member silverz28camaro's Avatar
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    ls6 is a nice mod over the ls1. Its not going to be night and day, but it is a gain

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    Senior Member rajiv1998's Avatar
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    Its is pretty decent for the price. A used one can be bought for around $300. Bolt ons like this might not seem like a lot now, but they will show their value once you mod the engine. Your basically laying down your foundation with bolt ons.

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    Member c5z28's Avatar
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    If you can pick up a used fast it's certainly a mod worth doing. Things you have to consider is getting a larger throttle body for it. If you are considering a cam in the future I would consider it.

  9. #9
    Senior Member rajiv1998's Avatar
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    Quote Originally Posted by c5z28 View Post
    If you can pick up a used fast it's certainly a mod worth doing. Things you have to consider is getting a larger throttle body for it. If you are considering a cam in the future I would consider it.
    Why?? He can just port the stock one for like $70.

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    Member c5z28's Avatar
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    Quote Originally Posted by rajiv1998 View Post
    Why?? He can just port the stock one for like $70.
    Because the stock one is still a 78mm.

  11. #11
    Senior Member rajiv1998's Avatar
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    Quote Originally Posted by c5z28 View Post
    Because the stock one is still a 78mm.
    LOL you dont HAVE to get a new TB. A stock ported once is more than enough. Doesnt make sense to spend $300 on an intake and $350 on a throttle body.

  12. #12
    Member c5z28's Avatar
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    Quote Originally Posted by rajiv1998 View Post
    LOL you dont HAVE to get a new TB. A stock ported once is more than enough. Doesnt make sense to spend $300 on an intake and $350 on a throttle body.
    You must be talking about the ls-6 manifold. If you re-read my post I was referring to the FAST.

  13. #13
    Senior Member rajiv1998's Avatar
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    Quote Originally Posted by c5z28 View Post
    You must be talking about the ls-6 manifold. If you re-read my post I was referring to the FAST.

  14. #14
    im just looking for 350-360rwh which would be close to 425 at the engine. that would be enough for me, for now.

  15. #15
    Senior Member rajiv1998's Avatar
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    Quote Originally Posted by Mike0202 View Post
    im just looking for 350-360rwh which would be close to 425 at the engine. that would be enough for me, for now.
    Full bolt ons will get you there.

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    Member c5z28's Avatar
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    Quote Originally Posted by Mike0202 View Post
    im just looking for 350-360rwh which would be close to 425 at the engine. that would be enough for me, for now.
    Famous last words

  17. #17
    Senior Member rajiv1998's Avatar
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    Quote Originally Posted by c5z28 View Post
    Famous last words
    LOL. I'll give him a few weeks after he installs the bolt ons and I bet he will make a thread saying "Which h/c to buy". Just like every one else

  18. #18
    yeah probably hahah. what do u guys think ill put down on a dyno jet?

  19. #19
    Senior Member rajiv1998's Avatar
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    Quote Originally Posted by Mike0202 View Post
    yeah probably hahah. what do u guys think ill put down on a dyno jet?
    With a good tune, there have been people making as much as 370 rwhp. But for the most part about 350ish (give or take a few ponies)

  20. #20
    Quote Originally Posted by rajiv1998 View Post
    With a good tune, there have been people making as much as 370 rwhp. But for the most part about 350ish (give or take a few ponies)
    Wow 370? Most ive ever seen was 360.

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