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  4. Dimensions of front crankshaft bolt? For a weird purpose

Dimensions of front crankshaft bolt? For a weird purpose

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  • jc43089J
    jc43089J
    jc43089
    wrote on last edited by
    #1

    I think the main crank bolt on the x50/2 is M18x1.5  Does anyone have one laying around to get the length from under the head and how far the threads go.  Also helpful but I can probably measure while installed is the diameter of the flange under the hex.

    This is for the van project.  I'm hoping it's around 50mm long.

    2/94 325i Sedan, Arctic Gray: UUC LTW FW, EVO 3 and DSSR, +.020 Maxsil pistons, ASC delete, Eibach shocks/springs, 16" contour reps 238k
    3/93 325i Coupe, Schwarz 2, Sketchy stance action, ebay turbo, 300k
    '89 325i Vert, Alpine White: 5spd swapped, sold.

    '04 Toyota Sienna: 24V to 24V swap in progress

    '05 Volvo V70R, 6spd.  200k
    '85 Toyota LandCruiser: Lifted, gas hog. 205k
    '99 Nissan Maxima: 5spd, Rusty but trusty winter beater. 252k RIP.

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    • straight6pwrS
      straight6pwrS
      straight6pwr
      wrote on last edited by
      #2

      approximately 10mm collar, 50mm smooth shank, 40mm threads, 2mm bullet nose

      (based on this photo)

      s-l1600.jpg

      Dan
      yajsYRL.jpg.e5f350b4dfe961d76ac8b32efce2e1a6.jpg

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      • jc43089J
        jc43089J
        jc43089
        wrote on last edited by
        #3

        Thanks!  That won't work then.  I thought it had a shorter head anyway.  That's what i needed though.  Apparently it is really difficult to find a socket head cap screw in M18x1.5.  Most are the normal coarse thread of 2.5.  I need a bolt to thread into the end of the steering rack to attach my offset/spacer parts.

        2/94 325i Sedan, Arctic Gray: UUC LTW FW, EVO 3 and DSSR, +.020 Maxsil pistons, ASC delete, Eibach shocks/springs, 16" contour reps 238k
        3/93 325i Coupe, Schwarz 2, Sketchy stance action, ebay turbo, 300k
        '89 325i Vert, Alpine White: 5spd swapped, sold.

        '04 Toyota Sienna: 24V to 24V swap in progress

        '05 Volvo V70R, 6spd.  200k
        '85 Toyota LandCruiser: Lifted, gas hog. 205k
        '99 Nissan Maxima: 5spd, Rusty but trusty winter beater. 252k RIP.

        1 Reply Last reply
        0

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