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Seized and broken Harmonic Balancer....

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    #31
    Originally posted by 86VickyLX View Post
    Well at least you got it now. To the junkyard to get another one you won't be able to pull off :p
    junkyard? why? these things are known to come apart after 20 yrs

    1986 lincoln towncar signature series. 5.0 HO with thumper performance ported e7 heads, 1.7 roller rockers, warm air intake, 65mm throttle body, 1/2" intake spacer, ported intakes, 3.73 rear with trac lock, 98-02 front brake conversion, 92-97 rear disc conversion, 1" rear swaybar, 1 3/16" front swaybar, 16" wheels and tires, loud ass stereo system, badass cb, best time to date 15.94 at 87 mph. lots of mods in the works 221.8 rwhp 278 rwt
    2006 Lincoln Town Car Signature. Stock for now
    1989 Ford F-250 4x4 much much more to come, sefi converted so far.
    1986 Toyota pickup with LSC wheels and 225/60/16 tires.
    2008 Hyundai Elantra future Revcon toad
    1987 TriBurner and 1986 Alaska stokers keeping me warm. (and some pesky oil heat)

    please be patient, rebuilding an empire!

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      #32
      It seems to me that someone may have recommended that you screw the crank bolt back in without the washer to help as a pilot..... :p

      Oh well shit happens... no blood no foul... At least is is off and you can get on with the job.....

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        #33
        Originally posted by lincolnmania View Post
        junkyard? why? these things are known to come apart after 20 yrs
        Agreed, a new one is only like $80 anyways, IIRC.

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          #34
          Originally posted by P72Ford View Post
          Is it unsafe to use a torch to heat the balancer? If the crank gets a little hot (from conduction from the heated balancer) is that bad? Or have you tried heat?
          You're the engineer; you tell us how hot the crank can get before you mess up its heat treating! Though if it comes to that, I imagine you'll have long since melted down at least one main bearing.
          2012 Mazda5 Touring | Finally working on the LTD again!

          Comment

            #35
            Originally posted by 86VickyLX View Post
            Well at least you got it now. To the junkyard to get another one you won't be able to pull off :p
            *dope slap*

            2001 Ford Crown Victoria P71 - "The Fire Engine"
            1985 Lincoln Town Car Signature Series
            But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. Romans 5:8

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              #36
              glad you got it off zach

              1989 mercury grand marquis gs / 2014 ford focus s daily driver
              302 lopo with ho upper/ aod with trans go shift kit
              k code 3:55 posi rear/big brake swap tow package car

              Comment

                #37
                Originally posted by 1987cp View Post
                You're the engineer; you tell us how hot the crank can get before you mess up its heat treating! Though if it comes to that, I imagine you'll have long since melted down at least one main bearing.
                That would actually be a very difficult problem to solve, Michael. Seeing as the heat application would hardly be even, it would be difficult to predict or quantify the heat transfer from the balancer to the crank. Not to mention, the conduction coefficients of the damper material, and crank material would be needed, and who they hel knows that. General k values for cast iron, etc could be used, but...

                It could be solved, but too many unknowns to make an accurate prediction, the most important unknown being the unknown heat application pattern...

                Plus, in order to evaluate the condition of the crank, and its heat treating, it'd be necessary to evaluate its fatigue life, which would be a difficult process in and of itself.

                I was looking for an easy answer Michael, as easy answers are always better, wouldn't you agree?
                **2012 Ford Mustang Boss 302: 5.0/ 6 spd/ 3.73s, 20K Cruiser
                **2006 MGM,"Ultimate": 4.6/ 2.73/ Dark Tint, Magnaflows, 19s, 115K Daily Driver
                **2012 Harley Davidson Wide Glide (FXDWG):103/ Cobra Speedsters/ Cosmetics, 9K Poseur HD Rider
                **1976 Ford F-150 4WD: 360, 4 spd, 3.50s, factory A/C, 4" lift, Bilsteins, US Indy Mags, 35s Truck Duties

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                  #38
                  silly engineers.....go play with your choo-choos

                  1986 lincoln towncar signature series. 5.0 HO with thumper performance ported e7 heads, 1.7 roller rockers, warm air intake, 65mm throttle body, 1/2" intake spacer, ported intakes, 3.73 rear with trac lock, 98-02 front brake conversion, 92-97 rear disc conversion, 1" rear swaybar, 1 3/16" front swaybar, 16" wheels and tires, loud ass stereo system, badass cb, best time to date 15.94 at 87 mph. lots of mods in the works 221.8 rwhp 278 rwt
                  2006 Lincoln Town Car Signature. Stock for now
                  1989 Ford F-250 4x4 much much more to come, sefi converted so far.
                  1986 Toyota pickup with LSC wheels and 225/60/16 tires.
                  2008 Hyundai Elantra future Revcon toad
                  1987 TriBurner and 1986 Alaska stokers keeping me warm. (and some pesky oil heat)

                  please be patient, rebuilding an empire!

                  Comment

                    #39
                    Originally posted by lincolnmania View Post
                    silly engineers.....go play with your choo-choos


                    Aaaaallllll aaaboooaard!
                    Originally posted by gadget73
                    There is nothing more permanent than a temporary fix.
                    91 Mercury CP, Lopo 302, AOD, 3.08LSD. 3g upgrade, Moog wagon coils up front, cc819s in the back. KYB GR-2 police shocks. Energy suspension control arm bushings. Smog deleted.
                    93 F-150 XLT, 302, ZF 5-spd from 1-ton, 4wd.
                    Daily--07 Civic Coupe. Bone stock with 25k miles
                    Wife--14 Subaru Outback. 6-speed.
                    95 Subaru Legacy Wagon--red--STOLEN 1/6/13

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