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Max power on N/A LS1 ?

This is a discussion on Max power on N/A LS1 ? within the General Help forums, part of the LSx Technical Help Section category; Hi, I want to know how much power is realistic to get out of a N/A LS1 without NOS. What ...

  1. #1
    Junior Member Endorphin187's Avatar
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    2001 Z28

    Max power on N/A LS1 ?

    Hi,
    I want to know how much power is realistic to get out of a N/A LS1 without NOS.
    What do i need for 380-400 hp (or more if its possible)?

    My mods are:
    3" Magnaflow catback,SLP CAI+smooth bellows.

    Intended:
    Granatelli MAF,90/90 Fast Intake Manifold,SLP Long tube headers,sport catalic converters and the rest exhaust to my catback in 3".

  2. #2
    Powerstrokin LT1 > LS1's Avatar
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    i have seen a guy with full botlons, heads, and cam with a bone stock bottom end pushing 485 whp with a street cam. very very streetable, and it gets much better gas milage than stock (if you can keep your foot out of it)

    it was a silver c5 corvette built by tony mamo. it think he works for AFR, so he probably got a wicked set of heads on it. i'll see if i can find the video of it. it think he has built the bottom end by now though.

  3. #3
    Powerstrokin LT1 > LS1's Avatar
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    http://videos.streetfire.net/video/8...c851bf28ca.htm

    yup yup here it is with the new bottom end i guess. 540 whp. screams like a banshee!

  4. #4
    2 SS's are better than 1 Jays00ss's Avatar
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    Quote Originally Posted by Endorphin187 View Post
    Hi,
    I want to know how much power is realistic to get out of a N/A LS1 without NOS.
    What do i need for 380-400 hp (or more if its possible)?

    My mods are:
    3" Magnaflow catback,SLP CAI+smooth bellows.

    Intended:
    Granatelli MAF,90/90 Fast Intake Manifold,SLP Long tube headers,sport catalic converters and the rest exhaust to my catback in 3".
    Don't waste your money on the MAF, If you get a TR 228R Cam with matching valve springs with your intended mods, You will be right where you want to be.
    2000 SS Camaro Heads, Large cam, Fast 90, 9"w/430's and locker, yada yada yada... you get the picture

    1971 SS ElCamino 402 Big Block 550HP

    2006 Silverado 2500HD 496 cubic inches of pure muscle

  5. #5
    Member aquickbird's Avatar
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    I wouldn't Go with SLP headers Either....they hang low like old donkey balls.

  6. #6
    2 SS's are better than 1 Jays00ss's Avatar
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    Quote Originally Posted by aquickbird View Post
    I wouldn't Go with SLP headers Either....they hang low like old donkey balls.
    I agree, Get you some Pacesetter ceramics. Much better and have all kinds of room.

  7. #7
    Rice Killa JwMonE99's Avatar
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    Quote Originally Posted by nitrorustler41 View Post
    http://videos.streetfire.net/video/8...c851bf28ca.htm

    yup yup here it is with the new bottom end i guess. 540 whp. screams like a banshee!
    Video was nice, but high 13s? Is he serious?

  8. #8
    Member aquickbird's Avatar
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    Quote Originally Posted by JwMonE99 View Post
    Video was nice, but high 13s? Is he serious?
    true.....i run 13.7's on street tires @ 310HP

  9. #9
    Junior Member 99zeetwentylate's Avatar
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    Quote Originally Posted by JwMonE99 View Post
    Video was nice, but high 13s? Is he serious?
    I'm sure he was joking.

  10. #10
    Member danziger's Avatar
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    Quote Originally Posted by Endorphin187 View Post
    Hi,
    I want to know how much power is realistic to get out of a N/A LS1 without NOS.
    You can stroke a LS1 to 383 and get well over 500rwhp N/A.
    What do i need for 380-400 hp (or more if its possible)?

    You can get 400HP (not rwhp) with simple bolt-ons like headers, LS6 intake, ASP pulley, etc...
    My mods are:
    3" Magnaflow catback,SLP CAI+smooth bellows.

    Intended:
    Granatelli MAF,90/90 Fast Intake Manifold,SLP Long tube headers,sport catalic converters and the rest exhaust to my catback in 3".

    Don't waste the $$ on the MAF, FAST 90/90 is overkill at this point and you could do much better headers for less money...
    Take your time and read the posts on this forum...there is a ton of good info to help you achieve your goals.
    Last edited by danziger; 12-25-2007 at 03:59 AM. Reason: Easier to read...

  11. #11
    Something Diabolical... chuckie669's Avatar
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    Quote Originally Posted by 99zeetwentylate View Post
    I'm sure he was joking.
    That was a dumb thing for him to say.

  12. #12
    Member Benner's Avatar
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    I think I need a towel now. I want that car.

  13. #13
    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by nitrorustler41 View Post
    very very streetable, and it gets much better gas milage than stock (if you can keep your foot out of it)
    There's no way in hell a h/c car with long tubes I'm guessin and a cam that size gets better milaege than stock...

  14. #14
    F BODYS RULE maxwax's Avatar
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    Gas milege,at this point is frutal,however that fukker was still hazing the tires at the end of third gear, thats an 11sec car if Ive ever seen one!

  15. #15
    Powerstrokin LT1 > LS1's Avatar
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    Quote Originally Posted by maxwax View Post
    Gas milege,at this point is frutal,however that fukker was still hazing the tires at the end of third gear, thats an 11sec car if Ive ever seen one!
    if he could hook it up, my be dippin into tens. possibly. try hooker long tubes. the stainless ones look nice. my freinds cousin put those in, no problems or hang ups.

    by the way yes that guy was totally kidding.

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    Member Bearcat's Avatar
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    Quote Originally Posted by nitrorustler41 View Post
    http://videos.streetfire.net/video/8...c851bf28ca.htm

    yup yup here it is with the new bottom end i guess. 540 whp. screams like a banshee!
    That C5 Z06 sounds sort of like an F1 car... Nice!

  17. #17
    Member Bearcat's Avatar
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    Hey wait a minute that's not a LS1 powered car. lol
    -= 2004 Machine Silver C5Z06 Vette =-

  18. #18
    Junior Member Endorphin187's Avatar
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    I think i found the 400 Hp answer:

    http://www.gearchatter.com/viewtopic10974.php

    ---------------
    GM Performance 5.7L LS1 crate engine tested with Kooks F-body 1-3/4” long tube headers with 2-1/2” lead pipes into Flowmaster mufflers. Factory front drive accessory was used with the water pump, power steering, and alternator. Stock LS1 heads and short block, GM Performance “Hot Cam” with LS6 valve springs are the only engine upgrades.
    ---------------
    I cant believe the result!This is sick!!
    1 3/4" Long tube Headers with 2-1/2” lead pipes into Flowmaster mufflers
    GM Performance “Hot Cam” with LS6 valve springs
    LS6 Intake with Stock 78mm Throttlebody
    3 little things and you have 423hp and 405 torq!
    But works this all without a chiptuning?Whats with the fuelpump or ignition?

  19. #19
    Member Speed Psychosis's Avatar
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    toyota now makes an engine with 575 horsepower. considering its a 3.5l, im sure 600+ horsepower is possible. just be prepared to empty your wallet...

    and bank account.




    for 350-400, thats common. cam and bolt-ons with good tuning can yield this much, from what i've heard

  20. #20
    Junior Member Endorphin187's Avatar
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    Is the result on "gearchatter" on the wheels or engine

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