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Technical 51 buick door gap

Discussion in 'The Hokey Ass Message Board' started by Gasser1, Jan 20, 2018.

  1. I have a 51 Buick and got it with the hood off and strapped down to the trailer when we set it on the car the opining is about 1/4" to narrow on both sides.
    The fenders over lap the door on this model. With the gap set between the door and fender a little thicker then a paint stick the hood is close to fitting. but looks funny to me.

    My question is how far do the fender set out from the door on your 50-52 Buick??????

    Trying to decide if the hood was flattened when transported by the customer when transported 100 miles strapped flat on the trailer.

    IMG_1363.JPG

    IMG_1364.JPG

    space as shown above the hood is closes to fighting right .

    with the fender gaps where they look right to me here is how the hood sets
    IMG_1157.JPG
     
    chryslerfan55 likes this.
  2. Saxman
    Joined: Nov 28, 2009
    Posts: 3,556

    Saxman
    Member

    I don’t have a Buick so I don’t know but in the last pic it looks like the front fender has a slight twist to the left (gauging from the splash pan). It could be just the angle of the pic or maybe that’s how Buicks are, I don’t know. But, if there is a twist there that would certainly lessen the gap a bit. Maybe mount the grille and core support and then see where you’re at? That might bring everything closer into alignment. About the overlap, I know on some Chevys the front fenders don’t actually overlap the door but they do stick out about an 1/8” further to allow the front edge of the door to swing underneath it.


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  3. thanks saxman it is the angel of the shot.
    Buicks we weird the fenders lap the door buy about 3/4"
    The core support is in and I centered the holes while tightening the bolts. if you notice the revile on the hood and the revile on the fender are off hood is up around 3/8" so the trim wont line up either . If I spread the front of the fender as far apart as possible the 2 reviles will line up but it is a very tight fit .
    The car came in on a wrecker with the hood strapped down and that bothers me, I just figure the fender should be closer to the door but not sure?
     
  4. BJR
    Joined: Mar 11, 2005
    Posts: 11,381

    BJR
    Member

    What's with the cut out in the front fender in line with the chrome trim holes?
     
  5. It is were the trim attaches it is factory what can I say Buick are weird
     
  6. strait8
    Joined: Jun 11, 2014
    Posts: 142

    strait8
    Member
    from Skokie, IL

    My hood had a lot of wobble or free play when I got it. There are two structural supports under them and they are spot welded. One of my the welds on my hood popped causing the hood to act as if it was flattened. There is a section in the manual that shows explains how to use turnbuckles and threaded rod to adjust the hood. I used tie downs straps to get mine in place prior to repairing the weld. Posting some pics of my door gap on my 51 special in hopes that it helps you.

    From the manual:

    c. Fender and Hood Alignment at Front Doors
    With front doors closed there should be no
    metal-to-metal contact between doors and rear
    ends of front fenders. Check for clearance at
    frequent points, using a strip of fibre or other
    soft material 1/32" thick.
    The spacing between rear end of front fend
    ers and the shoulder on front edge of doors
    should be approximately 1/8", and fairly uni
    form from top to bottom. The spacing between
    rear end of hood and front edge of doors should
    be fairly uniform on both sides, and sufficient
    to prevent contact as door is opened.
    Before making any adjustment of sheet
    metal to provide necessary clearance at points
    mentioned, first make sure that front doors
    are properly aligned in the body openings as
    described in paragraph 13-7.
    Improper spacing or interference between
    hood and doors may be corrected by adjustment
    of hood hinges par. 12-3.
    On Series 40, if fender and door panel sur
    faces are not reasonably flush correction may
    be made by adding or removing plain washers
    between the fender support and the cowl panel.
    On Series 4-50-70, adjustment of fender with
    reference to door panel may be made by loosen
    ing the fender attaching bolts at fender support
    and rocker panel. This will permit movement of
    fender in or out, forward or rearward. Fenders
    12-4 ADJUSTMENTS SHEET METAL 422
    must not be moved so much that proper align
    ment of hood is affected.
    Where spacing between end of front fender
    and edge of door is objectionably uneven from
    top to bottom it may be necessary to adjust the
    shims under the radiator mounting strap and
    between fender skirts and frame par. 12-4.

    d. Hood Alignment Inspection
    When closed and locked, the hood should bear
    firmly against the three rubber bumpers on
    radiator grille frame and the rubber lacing
    attached to the cowl ledge. Along the sides, the
    hood and fender contours should be in reason
    ably close horizontal alignment. Misalignment
    at these points may be corrected by vertical ad
    justment of hood hinges par. 12-3.
    A clearance of approximately 1%" should exist
    between each side of hood and the fender, and
    the spacing should be fairly uniform from front
    to rear. Improper spacing along sides of hood
    may be corrected by lateral adjustment of hood
    hinges par. 12-3.
    A clearance of approximately 1/8" should exist
    between the rear edge of hood and the shoulder
    of cowl panel, and the spacing should be fairly
    uniform from side to side. Improper spacing at
    this point may be corrected by fore and aft ad
    justment of hood hinges par. 12-3. In excep
    tional cases of uneven spacing it may be neces
    sary to adjust the shims under fender skirts
    par. 12-4.
    With opposite side of hood locked, raise and
    lower one side of hood several times to check
    alignment of pilot pins with holes in pilot plates.
    The direction of misalignment may be deter
    mined by a cleaning grease from pilot pins and
    holes and coating pins with chalk; a chalked pin
    will be heavily marked on one side if it is not
    aligned with pilot hole. A marking on the inner
    side of pin is not undesirable, provided that
    unlocked hinge does not bind and raise with the
    hood. Check opposite side in same manner.
    Misalignment of pilot pins with holes may be
    corrected by adjustment of hood hinges; how
    ever, if only the lower end of a pilot pin on hood
    reinforcement is sprung out of alignment the
    pin should be straightened instead of adjusting
    the hinge.
    Alignment of pilot pins with holes in pilot
    plates is very important. If there is misalign
    ment, the hinges will bind on pilot pins and hood
    will be hard to open. If the pilot pins spread the
    front and rear hinges apart this may prevent
    proper locking of the hood fasteners when hood
    is closed.
    12-3 HOOD HINGE AND FASTENER
    ADJUSTMENTS
    The hinge mounting bracket has horizontally
    slotted bolt holes which permit fore and aft
    adjustment on the fenders. Bolt holes in fenders
    are not slotted for adjustment of hinge in any
    direction, therefore the vertical setting of hinge
    is not affected when hinge bolts are loosened.
    The hinge fastener and housing ***embly is
    bolted to the gooseneck hinge strap and the bolt
    holes in strap are slotted to permit vertical
    adjustment of the fastener housing only. See
    figure 12-2. This arrangement permits vertical
    adjustment without changing the pivot point of
    the hinge, and without changing the fore and
    aft setting.
    Lateral adjustment of hinge to change hoodto-
    fender clearance is obtained by U-shaped
    spacer washers which can be removed or in
    stalled without removing hinge bolts. These
    washers are furnished under Group 8.014 in
    thicknesses of .030" and .120".
    To move hinge fastener and housing ***em
    bly outward to decrease hood-to-fender clear
    ance, either remove spacer washers from be
    tween fastener housing and hinge strap or
    install washers between hinge mounting bracket
    and fender rail. To move parts inward to
    increase clearance, either remove spacer wash
    ers from between hinge mounting bracket and
    fender rail or install washers between hinge
    strap and fastener housing. See figure 12-2.
    An equal total thickness of washers must be
    used on both bolts at either point of adjust
    ment.
    When adjusting hinges it is important to
    BOLT & INT.-EXT. TOOTH
    1. WASHER
    Figure 12-2-Hood Hinge Mounting
    423 SHEET METAL ADJUSTMENTS 12-S
    keep all four pilot plates level and oi, a common
    plane. Use simight edge to check for level
    between front and rear hinge pilot plates on
    each side and reaCust hinges as retmired to
    obtain full bearing of both plates against
    straight edge.
    A robber bumper is mounted in fender rail
    under the upper inner end of the hinge strap.
    Make sure that this bumper is in place and is
    in good condition. If this end of hinge strap is
    bent so that the hinge pilot plate is not level,
    laterally, carefully bend the stxap to level up
    the pilot plate.
    The },ood fastener tension is non-adjustable
    as the latches are spring loaded to make them
    automatically seek a firmly locked position.
    After adjustment or replacement of a hood
    hinge the adjustment of the hood fastener oper
    ating rod should be checked. First make cer
    tain that hood pilot pins are propeib aligned
    .ith holes in hinge pilot plates. Push both fas
    teners down to the locked position and have
    both hinges resting on bumpers on fender rail.
    Check the clearance between the shoulder on
    rear end of operating rod and the trunnion of
    2-ear fastener; clearance should be approxi
    mately Adjust the nuts on each side of
    front fastener trunnion to obtain this clear
    ance, if necessary. See figure 12-8.
    Whenever t becomes necessary to remove
    the hood fastener eontrel cable, disconnect the
    return spring, pull control knob out and remove
    it from cable end by unscrewing the fluted head
    set screw in knob. After removal of control
    knob the cable ***embly can readily be removed
    by disconnecting at bracket clamp and pulling
    it forward through ann of rear hinge fastener.
    c. Adlusmient of Hood Width
    The hood panel reinforcements are of channel
    section and welded to hood side rails to provide
    an ***embly of fixed width at all points. Adjust
    ment for width should not be necessary except
    when hood has been distorted due to accident.
    If alteration of hood width becomes neceosary
    i 2-,-AdI.,.n.ie .1 Hd Opi,.ih Rd
    *!*
    pa,. 2-5-IiSI Kd flail t.lM.i,.s -
    l4.S Wffi
    roe. I *-4-5!.4ghtii l..d fii,il t.ffiS!.,,iat
    !p*d Ud
    12-6 ADJUSTMENTS SHEET METAL 424
    however, it may be accomplished by carefully
    bending the reinforcements with proper tools.
    The hood may be made wider by straighten
    ing the reinforcement with a C-clamp prepared
    and applied as shown in figure 12-4. The hood
    may be reduced in width by bending the rein
    forcement with a large turnbuckle prepared and
    applied as shown in figure 12-5. Both tools
    illustrated may be made locally from details
    shown.

    IMAG1997[1].jpg IMAG1998[1].jpg IMAG1999[1].jpg IMAG2002[1].jpg
     
  7. strait8
    Joined: Jun 11, 2014
    Posts: 142

    strait8
    Member
    from Skokie, IL

    upload_2018-1-21_11-28-9.png upload_2018-1-21_11-28-9.png
    Sorry this image did not copy over.
     
  8. strait 8 that will help thanks
     

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