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Long tubes, ORY, Catback and tune gains

This is a discussion on Long tubes, ORY, Catback and tune gains within the External Engine forums, part of the LSx Technical Help Section category; If I was running 12.80's before, what kind of 1/4 mile times can I expect after having LT's, ORY, Hooker ...

  1. #1
    IMPORT KILLER PEWTER Z's Avatar
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    PEWTER
    1999 Z28 CAMARO

    Long tubes, ORY, Catback and tune gains

    If I was running 12.80's before, what kind of 1/4 mile times can I expect after having LT's, ORY, Hooker Catback, and a full dyno tune done afterwards? I'm hoping for at least 12.50's. Thanks.
    99 Z28, A4, 3.73, Jet Hot LTs and ORY, Hooker Catback w/cutout, Phoenix Pro 3500 2.5 STR converter
    LS1 Motorsports Lid, Dyno tuned by Bret @ Fbodycentral
    12.36@ 109.64 MPH 1/4 mile, 7.86 @ 86.95 MPH 1/8 mile
    1.69 best 60', .511 RT

  2. #2
    Member
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    Pittsburgh
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    12.50 is my best last summer with those mods and similar convertor. Just had a tune so Im hoping for a little better this year.
    02 TA A4
    408ci - 244/250/612/622 | PRC 237 heads | FTRA |100mm lid | FAST92/92 | Kooks 1 7/8 | Hooker CB | DMH Cutout | built trans | Yank4000 | 412 motorsports tuned | stock rear:judge:

    08 TBSS - Borla CB

  3. #3
    member since may 2000 nhraformula's Avatar
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    black
    2000 nhra edition formula

    12.50s is very real numbers.
    before my cam i was running those times.
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

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