Four Link Rear - to Triangulate or not to Triangulate? That is the Question.
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  1. #1
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    Four Link Rear - to Triangulate or not to Triangulate? That is the Question.

    It's approaching that time in the build where I need to decide on which way to mount the live rear axle in my '34.
    the choice is between a parallel 4 bar + pan hard rod or a triangulated 4 bar.
    I quite like the idea of triangulated, but I suspect parallel + pan hard might be more straight forward.
    Any recommendations or advice?

    Ps, Apple keeps "correcting" my spelling of pan hard.

    😬😬😬😬😬

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  3. #2
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    Consider space.....exhaust routing can get tricky with triangulated. Can you get a wide enough triangle to do the job? Consider triangulating the lower bars instead (satchell link).

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    I can definitely get a wide enough triangle.
    I hadn't thought about the exhaust routing., that could be a clincher.

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    Exhaust can run under the axle.i do that a lot
    Rod/custom/drag build profiles:
    Mini | Pop | Porker | Trike | Morris 8

    | 48 chevy coupe | ford f100 | tube chassis,d pop

  7. #5
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    Strange, but I always try and put the exhaust over the axle no matter how tricky. Had a car that you had to remove the exhaust to drop the axle and it was a pain in the ass....
    Whatever works for you though.....

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    Usually just put a flange in the exhaust in front of the axle.if youre going to take an axle out,removing the last bit of exhaust is an extra five minutes.

    Once a cars built,im not sure the axle ever needs to come out
    Rod/custom/drag build profiles:
    Mini | Pop | Porker | Trike | Morris 8

    | 48 chevy coupe | ford f100 | tube chassis,d pop

  9. #7
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    As you can see its pretty tight under there.
    Im going to have to cut into that lovely floor :-(
    I wsnt to minimise thst.
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    Has anyone got any views on the three link + Panhard rod?
    ie two lower links + one top link near the diff and a short Panhard rod.

  11. #9
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    Would prefer a triangulated setup myself, purely because its neater and has better symetry. Silly reason i know. Im looking for one for the truck at the moment. Lucky enough not to have to worry about exhausts though as they exit well before the rear axle.

  12. #10
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    Three links are very rarely used these days...not much more work to make it a 4 link!
    You really want as long a panhard as you can get.

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