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What kind of 1/4 gains should I see?

This is a discussion on What kind of 1/4 gains should I see? within the Drag Racing forums, part of the Racing Forums category; I went 12.02 with lt's 3" xpipe a lid and hptuner with a 4000 stall a stock gear. I add ...

  1. #1
    fraz fraz1le's Avatar
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    What kind of 1/4 gains should I see?

    I went 12.02 with lt's 3" xpipe a lid and hptuner with a 4000 stall a stock gear. I add a ms4 cam, ud pulley, ported tb, and a 4.10. Just curious what you think I should run.

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    Member silverz28camaro's Avatar
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    my bet would be 11.4-6, if it is an auto then why did you go 4.10 gears. werent you already pulling a 1.5xx 60' which stock gears did you have? with a stall that big i think you should of went 3.73 MAYBE 3.90. let us know if you shift into OD at the end or not
    2000 auto camaro
    13.54 @ 104 2.049 60' stock 2.73

    12.94 @ 109 2.002 60' full exhaust, lid, tune, nitto 555r 2.73

    11.899 @ 114.44 1.686 60' full exhaust, lid, tune, nitto 245/50-16 555r 3.73 moser 12-bolt 2800 fuddle, ls6 intake manifold, slp under drive pully,fiberglass hood, bmr k-member

  3. #3
    fraz fraz1le's Avatar
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    I went with a 4.10 because thats what everone in a auto on the top cam only list was running. And forget to put that I lost about 200lbs.
    1998 WS6 Trans Am

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    Member silverz28camaro's Avatar
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    looks like you are trying to break a record? what is the record time?

    i'd say a low 11 since you removed the 200lbs.

    i ran a 12.27 last year and since then i replaced the steel ds for an aluminum unit 8lbs lighter, fixed 2-3 shift from 6500 rpm to 6200 rpm where it pulls harder, remover battery to rear, removed spare and jack, removed other stuff and installed the bmr k-member so i to have saved roughly 100-110 lbs most being off the nose.

    i really want to hit that 11.999 time while still being internally stock and no power adders

    my track opens this saturday and its looking like 65 degrees so if the track hooks the car may just pull it off, wish me luck

    Oh and what gears did you have?

  5. #5
    fraz fraz1le's Avatar
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    I wish the cam only record is 10.2 I just want to go 10.9.

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    Member silverz28camaro's Avatar
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    Quote Originally Posted by fraz1le View Post
    I wish the cam only record is 10.2 I just want to go 10.9.
    It will be close. When are you going to the track?

  7. #7
    fraz fraz1le's Avatar
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    This sunday a local group has the track rented out and I should get enough passes to dial it in hopefully.

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    Member silverz28camaro's Avatar
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    Quote Originally Posted by fraz1le View Post
    This sunday a local group has the track rented out and I should get enough passes to dial it in hopefully.
    sounds like fun let us know what she does and try to get a video of it. I will be posting my new times and video saturday night so look out for them.

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    hugger orange
    1999

    12.10 @ 112

  10. #10
    fraz fraz1le's Avatar
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    Good guess, but I went 12.02 w/o the new mods. If the weather would ever cooperate I will find out.

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    fraz fraz1le's Avatar
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    Well I went to the track finally yesterday and was happy with my results. My 4.10 was pinnion was messed up someone had crossthread the pinnion bolt so I ran on my stock 3.23. I ran 11.6 every pass but the first and it was 11.7. My 60' Stayed at 1.59 but when I went into drive the car would really fall off. I crossed the beams at 115 which is about 4800 rpms and thats when I start making the most power so I think when I put a 4.10 in it will really help me there. I was on a pretty base tune a/f at 12.5 and timing at26 from what I've read the ms4 like about 13.1 a/f. When I get the 4.10 in I will try a more extreme tune. Hopefully I can get 11.4 or 11.3 then.

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    Member 98ls1blackbird's Avatar
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    Nice times man, that car is going to rock when you get it sorted out. Keep us informed. Good luck
    98 Trans Am, A4, 3.73, 3200 Vigilante, LCA's, reloc brackets, sfc's, panhard bar, adjustable torque arm, XS long tube headers, ORY, SLP CNC ported heads and all the free mods tuned with EFILive.
    Best 1/4 et 12.53
    Best 1/4 mph 107.78
    Best 60' 1.71

  13. #13
    Drag racing is a disease! RacerBob's Avatar
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    I am really interested in your RPMs will be at the big end with the 4.10s. I just installed 4.11s with my A4. What size tire are you running on?

  14. #14
    fraz fraz1le's Avatar
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    I have a 26" and 27" tire right now I will try both and see were I'm at with both tires and let you know. I hope this is the right gear for my set up.

  15. #15
    Drag racing is a disease! RacerBob's Avatar
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    From what I am hearing, you may want to try your 27" tire first. I was told I may need a 28" (stock cam).

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    fraz fraz1le's Avatar
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    Finally got to make some passes after my 4.10 install I'm happy the da was +2560 so I think these were pretty good passes. I ran on a 26" and 27" tire the 27 was .1 faster.
    Here are my 4 passes, pretty consistant.
    60' 1.55 1.56 1.56 1.55
    330' 4.71 4.74 4.73 4.71
    1/8 7.36 7.41 7.39 7.37
    @ 91.97 91.61 91.81 92.05
    1/4 11.61 11.67 11.66 11.62
    @ 115.93 116.35 116.0 116.19

    I'm pretty happy with these times considering the da was so high. At a better track, one thats not 1200ft. I think the car would run alot better number.

  17. #17
    Drag racing is a disease! RacerBob's Avatar
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    Quote Originally Posted by fraz1le View Post
    Finally got to make some passes after my 4.10 install I'm happy the da was +2560 so I think these were pretty good passes. I ran on a 26" and 27" tire the 27 was .1 faster.
    Here are my 4 passes, pretty consistant.
    60' 1.55 1.56 1.56 1.55
    330' 4.71 4.74 4.73 4.71
    1/8 7.36 7.41 7.39 7.37
    @ 91.97 91.61 91.81 92.05
    1/4 11.61 11.67 11.66 11.62
    @ 115.93 116.35 116.0 116.19

    I'm pretty happy with these times considering the da was so high. At a better track, one thats not 1200ft. I think the car would run alot better number.
    Nice times! What kind of rpm's at the big end?

  18. #18
    fraz fraz1le's Avatar
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    I think somewhere in the 6400 range.

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    fraz fraz1le's Avatar
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  20. #20
    Member 35thz28camaro's Avatar
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    are you still running a 10bolt? how do you like the ms4? i am trying to deside between it or the ms3

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