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Thread: 1947 Biederman Truck Fender Repairs

  1. #31
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    Question I always try to mount trailer fenders at a height I can open the door on a stock ride height Camaro. Usually involves trimming on bottom edges and they end up about 9 inches off trailer deck. These look higher maybe it does not hatter for this trailers use. Yes, even my drag only Camaro with a total mismatch of springs is close to a stock ride height.

  2. #32
    Registered Member MP&C's Avatar
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    We pulled them up where they matched the angle brackets that held the originals. He only uses this for motorcycles.. But yeah, if it were mine it would definitely be set at door clearance height.
    Robert



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  3. #33
    Registered Member MP&C's Avatar
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    Some more progress on the Biederman fenders, here's where we left off last
    time...











    On the passenger fender, we removed the cleco's holding the filler panel and
    John (the owner) media blasted the flanges where the panels overlapped..

















    Cleco holes were enlarged on the filler panel flange to accommodate plug
    welds and the two parts welded together...

















    After grinding the welds, John brushed some SPI epoxy in the lapped panels to
    seal them up..





























    Back on the driver's fender, time to trim off the rusted and bent front
    edge....























    The door skin removal tool is used to unwrap the wired edge...

















    Once the wrap is broken free, the top is scored with a cutoff wheel and then
    peeled around. No cuts on the wire as this may weaken it..

















    Trimmed and clamped in place for a test fit..





    Robert



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  4. #34
    Registered Member chevynut's Avatar
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    Robert, what are the lines on the fender for that say "16"?
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1962 327/340HP Corvette
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

  5. #35
    Registered Member MP&C's Avatar
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    Measures to the bottom of the front edge before it was cut off in three different directions so you can duplicate front edge location after welding on the new piece. The first one used 14, wasn't as much cut off of that one...



    IMG_3485a.jpg
    Robert



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  6. #36
    Registered Member MP&C's Avatar
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    This evening we took the passenger fender over to John's so we could mock it up on the truck and locate/cleco it to the lower hood side..









    The wing nut cleco's used in about four spots to hold things good and snug....



    Back at the shop, we'll get this plug welded on Saturday..



    Robert



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  7. #37
    Registered Member MP&C's Avatar
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    tried to make some headway on the Biederman. John is taking it to the truck show in Macungie PA so we're trying to get the fenders complete so he can bolt them on and answer questions all day about their bare finish..

    With the lower hood side cleco'ed to the passenger fender using wing nut clecos to pull things up nice and tight, lets get some plug welds done to join all three parts together...









    Passenger fender lapped seams then had SPI epoxy brushed in from both sides to seal in case he runs into rain. We he returns they'll be ready for media blasting and paint..



    Next onto the Driver fender, the remainder of the flange from the old filler panel is removed, a cut off wheel is used for releasing the OEM spot welds..









    Next, we had a rub issue where the fender was a bit close to the cab....note the flat area, as well as a rust through. So we'll just trim this out and replace..





    Robert



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  8. #38
    Registered Member MP&C's Avatar
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    Today I finished up the TIG welding on the rust repair...





    This area has a recess so it doesn't rub the side of the cab...



    Next to clamp the front repair section, the vise grips tend to rotate after clamped and allow the weld joint to open. So to fix the gravity issue, we broke out the painters tape..









    16 gauge sheet metal wiring, gotta love it!





    Next time we'll get the filler panel added to the Driver's fender..

    Robert



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  9. #39
    Registered Member MP&C's Avatar
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    This evening's progress, the bolting flanges were cut out of 12 gauge steel, and tacked in place using the TIG. Then welded and dressed..














    Next to trim the front of the fender, a laser is set up 13-3/4" above the table holding the fender. This is the differential we measured off the truck from the bumper filler panel down to the running board. all four corners on the table are checked to insure the laser is set correctly. Then the laser line is transposed to the fender and trimmed..











    The height was adjusted by sliding the blocks forward/backward in the fender.





    Front mounting flange TIG welded in place and welds dressed..





    Filler panel fitted to the fender and plug welded...








    Test fit onto the truck, aligned to the lower hood side and cleco'ed in place.











    We'll get the lower hood side welded on tomorrow evening, holes drilled, and fenders bolted up to the truck.
    Robert



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  10. #40
    Registered Member MP&C's Avatar
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    Tonight we got the lower hood side plug welded to the driver's fender, then the lapped seams were brushed with SPI epoxy primer from both sides to seal out the elements. John will be taking this to a couple shows with the fenders in bare metal, so we needed to seal those areas.



    With the fenders all one piece again, we took them to John's shop for re-assembly. First order of business is to add some welting to the fender area adjacent to the cab's lower cowl area...



    ..then bolted up the fenders and battery tray.. This should give John a head start on the finishing touches tomorrow before loading it up for the Macungie Truck show.







    Robert



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