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help!

This is a discussion on help! within the Drag Racing forums, part of the Racing Forums category; went to track friday night ran 13.09 at 108mph Not to happy with mph or et was looking for 12s. ...

  1. #1
    Junior Member
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    red
    1998 z28

    help!

    went to track friday night ran 13.09 at 108mph Not to happy with mph or et was looking for 12s. Ran 13.71 at104mph stock. my mods are cam 230 560 ls6 heads lt headers 3 inch y no cats air lid do not have tune could this be the problem also m56 with 342 gears street tires 60foot 2.08 330 5.64 1/88.53 85.50 mph any suggestion thanks

  2. #2
    Senior Member Hurley711's Avatar
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    414 RWHP 395 RWTQ
    00 Black Ram Air Trans Am

    Def get a tune ASAP, especially with that cam. Hook a sub 2xx 60 and you'll see high 12's, although a 2.08 is respectable for a M6

  3. #3
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    red
    1998 z28

    thanks got atune car revs and runs better 375rwhp 365rwtq tuner said need a better intake stock ls1 is resticting air flow

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    silver
    2000 camaro ss

    your main priority now to get that time down are gears and some tires

  5. #5
    Green Monkey
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    You ought to be in the 12's no problem now that you had a tune. Just make sure you are shifting very quick and at the right rpm's. Your stock time is quite slow and it may be indicative of not shifting the car in the most efficient way. I basically power shift
    3rd and 4th, for 2nd I only power shift if I have drag radials, often times without drag radials she will break loose in 2nd.

  6. #6
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    red
    1998 z28

    power shift every gear but 60 foot was 2.30 when i was stock going to track this friday night hope to see 12s with 375rwhp with drag radials won't the rear break

  7. #7
    Senior Member ss~zoso~ss's Avatar
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    SS: NBM, tan top
    1998-SS, 2010 Jetta TDI

    did you run it with the tune yet

  8. #8
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    red
    1998 z28

    no not yet this friday night

  9. #9
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    Black
    2001 Trans Am WS6

    Since you have gotten your tune my guess is, with that horsepower, that you will run mid to high 12's at over 112mph. I'm sure you'll have fun doing steering wheel corrections on it outta the whole. That's alot of power.
    2001 T/A WS6 M6
    LS6 Cam/Springs, Lid, SLP Pulley, Magnaflow Catback, TBCB, Richmond 4.10 gearing, Panhard Rod, Strut Tower Brace, Low Control Arms, Lou Thesz Short Stick
    Dyno 351rwhp/341rwtq, and tuned by RacePrep via HP Tuners.

  10. #10
    Green Monkey
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    I think you'll do just what Bob said above. You ought to run some great times as long as you can get a good launch. With drag radials and that kind of power you may just break the tires loose way too easy by power shifting. But if you still have a stock clutch you may indeed run better times than with an upgraded one only because the stock one will slip when the tires adhere and actually give you a good time overall up to a point that is. Of course don't expect a stock clutch to last too long, mine didn't with some hard launches. I made the mistake of getting a clutch that was way too good for the stock power I was putting out back in the day and it actually hurt my ET's because it wouldn't slip, it would catch like a raped ape and make my drag radials break loose very easily.

  11. #11
    Lord God King Bufu Raven98Z28's Avatar
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    Black
    02 WS6 M6

    Quote Originally Posted by Green Monkey
    ... it would catch like a raped ape...


    THEN: 98 Z28 A4 2.73 FRA STB SFCs LCA Relocators LowSprings DAPHR SLPBilsteins Descr.MAF EGRCut-off Lid Eradispeeds - Daily Driver includ. 3 yrs on the German Autobahn!
    NOW: '02 WS6 M6 LOTB BMR STB, SLP bolt-in SFCs, !spare/jack, !rearseat, SLP lid, Battery Relocation

  12. #12
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    red
    1998 z28

    ran 12;86 at 111 mph

  13. #13
    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    good job. make sure to add your times to the ET Listing thread.

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