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  • attn: anyone with a lightweight flywheel (3.8L)

    anyone with a 3.8 who has a lightweight flywheel, can you just tell me your experiences with it? stuff like how driveability and how much better or worse performace is with it.

    I'm prolly going to get a clutch when I fix the rear main seal and was thinking since I was planning on a cam that a lightweight flywheel would be nice to get the car to the upper RPMs quick. Thanks in advance.
    \'99 SSM Camaro V6 M5<br />(mod list on cardomain site; too long to list here)<br /> <a href=\"http://www.cardomain.com/id/v6cam99\" target=\"_blank\">http://www.cardomain.com/id/v6cam99</a>

  • #2
    I know at least one guy did it a long time ago... but I think that was in the days I owned a 3.4L [img]smile.gif[/img]
    -Eric<br /><a href=\"http://www.cardomain.com/id/mustangeater82\" target=\"_blank\">2000 NBM V6 Camaro 5-speed</a> T-top <i>converted</i><br /><b>14.467@95.45mph</b> <i>$0 in mods</i><br /><i>The member formerly known as MustangEater8251</i>

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    • #3
      I remember a big post about it in the Drag Racing forum. Seems that a bunch of people were against it because it was too light and not enough inertia or something.
      Matt
      1998 Mystic Teal Camaro M5
      Whisper Lid, Pacesetter Headers, Catco Cat, Dynomax Super Turbo, B&M Shifter, BMR STB, LSD, P&P Intakes, GT2 Cam, Comp OE Lifters, 1.7 Roller Rockers, Pushrods, SSM Heads, DHP PowrTuner.

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      • #4
        ^ yes. Thats the idea. It's great for circle track or auto X because you can realy pull out of the corner and get up your RPM. less rotational mass will also help with drivetrain loss.


        But.

        On drag race applications lighter is not better. You hav less mass which means when you launch the car there isn't as much inertia to propell you off the line. aside from that when you shift gears the energy that your transmiting will be lost faster in between shifts and will take longer to build it back up. Your going to loose momentum.

        For these reasons, a qualit billit steel flywhell is a good idea, but alum isn't
        1996 Silver camaro Z28. M6,<br />12 bolt, 4.11\'s, posi, Rear cover, Spec stage 2, loudmouth, more <a href=\"http://home.mainstreamtopics.com/?index=3&module=1\" target=\"_blank\">http://home.mainstreamtopics.com/?index=3&module=1</a> &lt;Mods, Pics & more <a href=\"http://home.mainstreamtopics.com/?index=3&module=2\" target=\"_blank\">http://home.mainstreamtopics.com/?index=3&module=2</a> &lt;Fbody Tech Articals

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        • #5
          I'm looking into one when I do my clutch. Above summary is mostly good - good launches will be tougher, since you aren't storing up as much rotational inertia to dump into the rear when you dump the clutch.

          However, in between shifts is a wash. The extra momentum you "lose" when upshifting is energy that you didn't have to put in going through the rev range.
          Drivetrain Moderator - "There are no stupid questions, only stupid people!"

          2001 Pewter Firebird Y87, M5
          Intake, exhaust, just about every suspension part, alum flywheel & ds, Turn One p/s pump and cooler

          Go Sabres!

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