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  • Lug Nut Size?

    Real quickie. Anybody know off hand what size lugs are on a 4th gen?
    1996 Z28 Convertible, 6 Speed
    Factory Chrome Wheels, CAGS Disable,
    Big Block Hood, Spintech Split case Muffler
    w/ 4" Pipe

  • #2
    I believe thelug nuts are 19mm.

    unless you mean the lug bolts in which case, I don't know.
    99 TA "RBLUTA" - NBM, M6, Whisper Lid, SLP Fan Switch, 160* Thermo, SLP LM, BMR STB & LCA's.


    ***SOLD*** It will be missed!!
    93 Formula "FRMLAV8" -383 Stroker

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    • #3
      The studs are 12mm, but I can't remember if they ar 1.25 or 1.5
      Fred

      381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC engine management - 8 LS1 coils - 58mm TB - 78# injectors - 300-shot dry nitrous - TH400 - Gear Vendor O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motor

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      • #4
        Thanks

        ...appreciate it.
        1996 Z28 Convertible, 6 Speed
        Factory Chrome Wheels, CAGS Disable,
        Big Block Hood, Spintech Split case Muffler
        w/ 4" Pipe

        Comment


        • #5
          12x1.5mm




          KnightFire
          1993 Formula Firebird
          Check Homepage for mods and photos...

          KnightFire's Lair


          Amsoil Dealer

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          • #6
            Lug NUTS are by my experience 3/4 inch... of that metric bunk Install university says 3/4 too.

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            • #7
              3/4 must be equivalent to 19mm. My lug wrench is metric, and I use the 19mm size for both of mine.

              no matter what we do we can't escape the metric system!
              99 TA "RBLUTA" - NBM, M6, Whisper Lid, SLP Fan Switch, 160* Thermo, SLP LM, BMR STB & LCA's.


              ***SOLD*** It will be missed!!
              93 Formula "FRMLAV8" -383 Stroker

              Comment


              • #8
                [QUOTE]Originally posted by FRMLAV8
                [B]3/4 must be equivalent to 19mm. My lug wrench is metric, and I use the 19mm size for both of mine.

                Yea. I checked a conversion chart and 3/4 is 19.05 mm.

                Thanks again.
                1996 Z28 Convertible, 6 Speed
                Factory Chrome Wheels, CAGS Disable,
                Big Block Hood, Spintech Split case Muffler
                w/ 4" Pipe

                Comment

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