Is this right ?!?! 4" cast crank

West-Coast

  1. '63GT

    '63GT Well-Known Member

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  2. RustyRatRod

    RustyRatRod Weenie idiot loser. FABO Gold Member

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    Yes. It's cast steel. And bent.
     
  3. '63GT

    '63GT Well-Known Member

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    ...not in the market for one anyway..
     
  4. j par

    j par Well-hung Member

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    Yeah heat it up and bend it back..
     
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    • RustyRatRod

      RustyRatRod Weenie idiot loser. FABO Gold Member

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      The seller is correct. It can be straightened.
       
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      • j par

        j par Well-hung Member

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        I know and I would do with it.. tie it to a long piece of rope and use it to keep my boat in one place on the river...
         
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        • Treblig

          Treblig FABO Gold Member FABO Gold Member

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          Chuck it up between two centers, a dial indicator and a little heat in the right spots...VIOLA!!.... straight shaft!! Some guys are really good at it. Might have to go .010 under to clean up??? I had a close friend who used to weld up the rod throws to make his own stroker cranks. He drove a funny car and was FAST!!!
           
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          • jos51700

            jos51700 Well-Known Member

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            $40 seems awfully cheap.
             
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            • j par

              j par Well-hung Member

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              I don't know seems about the going price...
              Screenshot_20191207-182753.png
               
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              • '63GT

                '63GT Well-Known Member

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                You know, I've seen that done! probably 30 yrs ago... I was horrified when I saw him wail on it with a huge copper drift and a sledge hammer.
                And just as you said, they turned it down to get the rest out of it.
                The machine shop owner said, 'yeah, people aren't used to seeing that..' , ' major crank Mfg's do it all the time'
                 
              • Treblig

                Treblig FABO Gold Member FABO Gold Member

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                My friend was a certified welder and a machinist to boot. So he would weld up the cranks then machine them himself. He built funny car frames at 40k a pop. He was/ is a smart dude and made a ton of money.
                 
              • '63GT

                '63GT Well-Known Member

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                It sure does !! Makes you wonder.... maybe there's a tap snapped off in the flange too.
                Probably never sell it at $40, but would for $125
                 
              • Jim Lusk

                Jim Lusk Well-Known Member

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                If I was in the market for one I'd buy it in a heartbeat.
                 
              • '63GT

                '63GT Well-Known Member

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                that's been bangin around in my head, since I saw it...
                I know a real good crank guy..
                 
              • toolmanmike

                toolmanmike FABO Staff Staff Member FABO Gold Member

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                Wonder how "slightly bent" it is?
                 
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                • Treblig

                  Treblig FABO Gold Member FABO Gold Member

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                  Forgot to mention that the 40K was back in the 80s when he was building the funny car frames. The price has more than likely gone up^^^^^^
                   
                • toolmanmike

                  toolmanmike FABO Staff Staff Member FABO Gold Member

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                  It's over on your end of the country too. I would think a bit of straightening, may be a little turning and a balance and it would be perfect.
                   
                • '63GT

                  '63GT Well-Known Member

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                  I know, I know... I should just pull the trigger on this deal... a tank of gas, and I'll be crank happy
                   
                • toolmanmike

                  toolmanmike FABO Staff Staff Member FABO Gold Member

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                  I'd be all over that like a cheap suit if I was closer. :lol:
                   
                • jos51700

                  jos51700 Well-Known Member

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                  Get on it, doggonit.
                   
                • Treblig

                  Treblig FABO Gold Member FABO Gold Member

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                  Or a happy crank wanker!!!:rofl:
                   
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                  • d55dave

                    d55dave Well-Known Member

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                    I don't know.... by the time you buy the special 408 pistons, machine your block, either modify existing 360 rods or buy aftermarket ones, balance it all and spend a bunch of cash on the rest of the engine why would you put an unknown bent and then straightened cast crank in it. The cast 408 cranks are known to break at the front throw, ask me how I know.

                    Honestly, by time you buy it, straighten it and turn it why wouldn't you just buy a forged one new and not worry about it?

                    IMO it is a boat anchor, and not a very good one as it is too light.
                     
                  • '63GT

                    '63GT Well-Known Member

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                    Well I attempted to make contact with this guy... for $40, it can stand in the corner until I can get around to getting it corrected.
                    No answer yet, I'll keep you posted.
                     
                  • pishta

                    pishta I know I'm right....

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                    Could you just torque it up in a block for a month? Maybe bias a bearing a little with some shim stock? Beating on a cast crank sounds detrimental to its health as castings are brittle. I got a 360 crank turned down to 340 main and the flange broke a chunk when Fedex dropped it. I got the money and the crank back. Still got it. I dont understand the fear of a cast stroker crank. All you need is 4" stroke pistons and a balance. No special rods or bearings needed on a cast stroker. Build it so it doesnt need 6000 RPM.
                     
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