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2002 Z28 4l60e Baseline Numbers

This is a discussion on 2002 Z28 4l60e Baseline Numbers within the Camaro / SS forums, part of the Vehicle Specific category; I was just wondering what base line numbers the 2002 Ls1 made with the ls6 intake and an automatic 4l60e ...

  1. #1
    Junior Member 64MonGooSe64's Avatar
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    2002 Z28 4l60e Baseline Numbers

    I was just wondering what base line numbers the 2002 Ls1 made with the ls6 intake and an automatic 4l60e and 2:73 gearing. My research has given me all kinds of numbers so i was just curious to what they made of the show room floor

    That being said i was curious to what numbers my car would put down with some mods im making in the future and have already done. Ive already got a 3" flowmaster catback, K&N filter, SLP Lid. and im Planning on doing the SLP bellow, Hooker Lt's and 3" Catted Y pipe, larger TB. Motor also has 115k on it so its probably not in its "prime" but i do run it on 93 prem.

    I would also like to cam it in the future but i dont know where i want to head with that yet so i dont want to confuse anyone by throwing that in there b.c i understand cams can help at both ends of the spectrum.

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    Exalted Cyclops 67CamaroRSSS's Avatar
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    2002 Z28 A4 NBM
    Sadly now demodded :(

    Stone stock with 29,xxx mile on it my 2002 Z28 A4 2.73 geared car put down 306 rwhp and 323 rwt on a Dynojet here in Phoenix. And, yes it was "warmish" (maybe 85-90).

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    Member fergyflyer's Avatar
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    I'm on my 3rd LS1 Camaro.

    Car 1 was a 2001 A4 2.73. It was 305, I don't remeber the torque. about 8,000 miles.

    Car 2 was a 2002 A4 with 3.08 gears and an LS6 block. Stock it put 318 down and with a dyno tune, Corsa catback and lid put 335. Stock it had 4500 miles and tuned was at 7500 miles.

    Car 3 is a 2002 A4 2.73. I'm not sure about stock, but with a Diablosport Predator, Magnaflow catback and a lid, it put 322 to the wheels at 61,000 miles.

    My guess is on the low side you have 300 to the wheels and on the high side I'd guess 325 stock.

    With the lid, catback and good sparkplugs and wires, I'd guess you would be between 310 and 330 with your miles. With the second set of mods you should get into the high 330's to low 350's and maybe 10-15 more if you get a good tune at a dyno shop.
    Last edited by fergyflyer; 06-17-2009 at 08:36 PM.

  4. #4
    Junior Member 64MonGooSe64's Avatar
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    so i should be solidily in the 300's as my car sits right now

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    yes should be at least 300rwhp not matter what if it is a LS1.. unless you have major problems or small ones that would hurt you...

  6. #6
    Junior Member 64MonGooSe64's Avatar
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    well now i feel alil more confident on what my car could put down on paper.

    how about at the track. 1/8th and 1/4 mile times on

    A stock 2002 z28 4l60e w/ 2.73 gears
    How my car stands right now
    and where ill be about after my future mods

    Thanks for everyones imput

  7. #7
    Exalted Cyclops 67CamaroRSSS's Avatar
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    2002 Z28 A4 NBM
    Sadly now demodded :(

    The 1st time I ran the 02 it blew the tires off the line which resulted in a 15 something at 100mph. Hmmm, got the mph, need to learn how to launch it.

    By the end of the night it was consistant 13.70's at 103-4. Eventually I ran a best of 13.60's at ~105 when it was stock (on the stock RSA's).

    Mind you this is in Phoenix Arizona in the springtime (almost summertime) with a temp of 90 deg and a DA of ~3500'.

    Then came the mods.....
    Last edited by 67CamaroRSSS; 06-19-2009 at 02:18 PM.

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    Member Dewman's Avatar
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    Navy Blue Metallic
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    just ran last night 90* and very hummid, with 235 street tires best i could pull off is 13.8@103 with a 2.1 60'. Doing a nice burnout, loaded up the converter and just stood on it till the end of the track.

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    Junior Member 64MonGooSe64's Avatar
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    well thats good to know, its a lil cooler where i live, and will be when i run, but i also have 275 bfgs that hook pritty well one the street, so it can only get better at the track

    im hopeing my dyno numbers are in the 310's, and my track times are 8.5's on the 1/8th and 13.5's on the quarter... can only hope for the best

  10. #10
    Member Dewman's Avatar
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    Navy Blue Metallic
    2000 Camaro z28

    i had a problem with the car shifting into 4th about 50' from the end of the track and it would slow me down once i get my valve train in i should be able to raise my redline a tad to stop that last shift and get faster then 103.79 mph

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    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by Dewman View Post
    i had a problem with the car shifting into 4th about 50' from the end of the track and it would slow me down once i get my valve train in i should be able to raise my redline a tad to stop that last shift and get faster then 103.79 mph
    How did your car manage a 4th gear shift with an auto??? You runnin' 4.88 gears???

    Even with an optional 3.23 gear, (which mine has) you won't be anywhere near redline in 3rd gear when you cross the stripe.

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    Member Dewman's Avatar
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    Quote Originally Posted by Firebirdjones View Post
    How did your car manage a 4th gear shift with an auto??? You runnin' 4.88 gears???

    Even with an optional 3.23 gear, (which mine has) you won't be anywhere near redline in 3rd gear when you cross the stripe.
    i must be wrong on the gear i will have to get a video of the run i know i just shifted right before the end of the track

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    Quote Originally Posted by Dewman View Post
    i must be wrong on the gear i will have to get a video of the run i know i just shifted right before the end of the track
    w/2.73's your probably shifting into 3rd.

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    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by dklowrider View Post
    w/2.73's your probably shifting into 3rd.
    Yep that would be my guess.

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    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by Dewman View Post
    i must be wrong on the gear i will have to get a video of the run i know i just shifted right before the end of the track
    Still looks like a respectable run for what you have.

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    F BODYS RULE maxwax's Avatar
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    Quote Originally Posted by Firebirdjones View Post
    How did your car manage a 4th gear shift with an auto??? You runnin' 4.88 gears???

    Even with an optional 3.23 gear, (which mine has) you won't be anywhere near redline in 3rd gear when you cross the stripe.
    that was what I was thinking.

    my car has a 2.73 and I changed my tires at the track,and did not hllow for the size change in the tune , so it would not shift into 3rd so I ran the whole 1/4 in 1st and 2nd going through the traps on the limiter 13.95@94mph.

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    Member Dewman's Avatar
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    r/t...... .359
    60'..... 2.141
    330... 5.979
    1/8... 9.084
    mph.. 79.96
    1000.. 11.693
    1/4.... 13.858
    E.T.... 103.79

  18. #18
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by maxwax View Post
    that was what I was thinking.

    my car has a 2.73 and I changed my tires at the track,and did not hllow for the size change in the tune , so it would not shift into 3rd so I ran the whole 1/4 in 1st and 2nd going through the traps on the limiter 13.95@94mph.
    Wow you were bangin' the limiter for a good bit trying to cross in second gear.

  19. #19
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by Dewman View Post
    r/t...... .359
    60'..... 2.141
    330... 5.979
    1/8... 9.084
    mph.. 79.96
    1000.. 11.693
    1/4.... 13.858
    E.T.... 103.79
    Thats decent for a stock auto. When my auto SS vert was a bone stocker it went 13.70 at 102 mph on a hot day (DA was 3700 feet). A simple tune only,,,and got 13.40's at 104 mph,,,same day.
    I'd say your car is pretty much on par with any other stock LS1.

  20. #20
    Member Dewman's Avatar
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    Quote Originally Posted by Firebirdjones View Post
    Thats decent for a stock auto. When my auto SS vert was a bone stocker it went 13.70 at 102 mph on a hot day (DA was 3700 feet). A simple tune only,,,and got 13.40's at 104 mph,,,same day.
    I'd say your car is pretty much on par with any other stock LS1.
    not 100% stock but damn close, slp lid, magnaflow catback, fast 92/92

    1st after 2 runs the front of the car looked like this



    1st run ever


    another decent run


    my brother never got any of my 13 sec runs on cam
    Last edited by Dewman; 06-21-2009 at 02:12 PM.

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