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ls1 vs s4

This is a discussion on ls1 vs s4 within the Kill Stories forums, part of the Racing Forums category; I got a quick question. What do you guys think about a 2000 trans am with slp loudmouth catback and ...

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    Junior Member be3fkake's Avatar
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    ls1 vs s4

    I got a quick question. What do you guys think about a 2000 trans am with slp loudmouth catback and slp lid vs a 2000 awd audi s4 2.7t stage 2 what GiacX stage 1 chip and a 3 inch catback.

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    Member waldo's Avatar
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    I think they are both nice cars! what color are they?

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    I think it will be a fun race

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    TJEA Retirement Home Dr.Crash's Avatar
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    The S4's are fast cars with some work done. depnds on the programing of the chip, like how much boost.

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    Gaic will put him at 18lbs of boost at peak tappering off to about 16lbs. Is it tip or 6spd? 6spd from a dig he will get quite a few cars off the line then you will be playing catch up depending on the dirver. Tip is good from a roll. Overall in my stg2 S4 and when my ta had close to the same mods you do they were one tenth of a sec off in the quarter. Divers race.

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    Junior Member be3fkake's Avatar
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    lol

    well both these car are mine i totaled my navy blue metallic trans am. i was only 17 when i bought that car. got it for 7000 with 104xxx on it and it had an slp lid and catback slp loudmouth ls1 automatic 4 (a4). and then i researched and found a nice replacement for it. The audi s4. Its a 6 speed and i got the giac chip with peaks at around 18 psi and hold around 16. I raced my friends lt1 formula and i pulled 6 lengths on him every run we did 35 rolls.... just wondering how an ls1 would compare

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    TJEA Retirement Home Dr.Crash's Avatar
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    Quote Originally Posted by be3fkake View Post
    well both these car are mine i totaled my navy blue metallic trans am. i was only 17 when i bought that car. got it for 7000 with 104xxx on it and it had an slp lid and catback slp loudmouth ls1 automatic 4 (a4). and then i researched and found a nice replacement for it. The audi s4. Its a 6 speed and i got the giac chip with peaks at around 18 psi and hold around 16. I raced my friends lt1 formula and i pulled 6 lengths on him every run we did 35 rolls.... just wondering how an ls1 would compare
    I'll race you !!!!





    my buddie has a 2002 stage 3 S4. Its fast

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    Senior Member karpetcm's Avatar
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    Those S4's take off so fast and clean that your eyes pop open, much respect to the person i raced with my LT1 that didnt want to bother racing from a stop. From a roll he got handed bad but that car took off blazing fast, its amazing how much grip they have off the line.

  9. #9
    I've seen S4s get into the 10s on stock twin turbos. Stock, they are quick and comfy. With some work, they can be absolute beasts.

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    Quote Originally Posted by Superluminal View Post
    I've seen S4s get into the 10s on stock twin turbos. Stock, they are quick and comfy. With some work, they can be absolute beasts.
    I have never heard of stock k03 turbos putting a S4 into the 10s? If you push them near or over 20psi they will be done pretty quick. Can def hit 10s with a k04 or GT set up though. I highly doubt someone got one to go that fast with stock turbos.

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    The Bandit Wesman's Avatar
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    Quote Originally Posted by 98T/Aformula. View Post
    I have never heard of stock k03 turbos putting a S4 into the 10s? If you push them near or over 20psi they will be done pretty quick. Can def hit 10s with a k04 or GT set up though. I highly doubt someone got one to go that fast with stock turbos.
    Me either. Everything I've heard has been that the stock turbos max out pretty quick, and to really make power you need a pair of K04's.

    My friend has an A6 2.7T (same engine as S4, larger car) and he just had a stage kit done to it, so power is up from 250 to 310HP. However, I don't think much more can be done without upgrading turbos.

  12. #12
    Quote Originally Posted by 98T/Aformula. View Post
    I have never heard of stock k03 turbos putting a S4 into the 10s? If you push them near or over 20psi they will be done pretty quick. Can def hit 10s with a k04 or GT set up though. I highly doubt someone got one to go that fast with stock turbos.
    This particular Audi did have KO4s. I forgot they came stock with the KO3 compressor housing. Both these models are very similar and designed to fit with the factory manifolds. The compressor housing is a bit larger on the KO4 unit, has a more heavy duty wastegate, and a higher efficiency window.

    Here's the difference:


  13. #13
    Junior Member be3fkake's Avatar
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    Yea i plan on going getting a new front mount intercooler next month and go stage 3 next year. Once my k03s fail i will most likely get k04 due to its my daily driver. I want to do gt28rs but they arent ment for a dd on s4's

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    Quote Originally Posted by be3fkake View Post
    Once my k03s fail i will most likely get k04
    I think that goes for anyone who has an S4 lol. You should post up some pics of it.

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    TJEA Retirement Home Dr.Crash's Avatar
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    Here is my buddies.




    But i liked yours more


  16. #16
    Junior Member be3fkake's Avatar
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    Ill post up pics tonight, give me a min

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    Quote Originally Posted by Dr.Crash View Post
    But i liked yours more

    Click for full size

    Haha thanks man I would have to agree.

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    This reminds me of why i sold my 2000 S4. Turbos were going out lol. Once you turn the boost up on those things your on borrowed time. Mine was all stock though.

  19. #19
    Quote Originally Posted by drummer52910 View Post
    This reminds me of why i sold my 2000 S4. Turbos were going out lol. Once you turn the boost up on those things your on borrowed time. Mine was all stock though.
    That's why you get larger turbos and go really really fast.

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    Eh i thought about it but was having withdraws every since i traded my WS6 for it, so i got back into muscle cars

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