250 underside finish | FerrariChat

250 underside finish

Discussion in 'Vintage (thru 365 GTC4)' started by Dingbat, Aug 6, 2014.

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  1. Dingbat

    Dingbat Rookie

    Oct 27, 2013
    34
    SE London
    Full Name:
    Bill Russell
    Hello again.
    I was wondering if someone can advise me on the correct finish for the under bonnet area for a '63 Ferrari 250, and also what the inner front and rear wing areas would have been finished in, is it all satin black everywhere or was there some sort of textured coating anywhere. The car I am dealing with is pretty original but many years ago was cleaned over the whole underside and under bonnet area and painted with red oxide and gloss black, at present I am cleaning everything up and am going to refinish as much as is practical. The car in question is a GTL and has a double skinned floor, what is trapped between the two layers and what was the thinking behind it, is it for stiffness or sound and heat insulation or a bit of both? Many thanks Bill Russell.
     
  2. BIRA

    BIRA Formula Junior

    Jun 15, 2007
    956
    if i am correct and as seen on my GTB being restored, GTBs also have a double skinned floor and insulation between both layers. assume plays also a role with sound insulation. Stiffness comes from chassis, metal on the floor seem quite thin!
     
  3. John Vardanian

    John Vardanian F1 Rookie

    Jul 1, 2004
    3,080
    San Francisco Area
    Full Name:
    John Vardanian
    #3 John Vardanian, Aug 6, 2014
    Last edited by a moderator: Sep 7, 2017
  4. Dingbat

    Dingbat Rookie

    Oct 27, 2013
    34
    SE London
    Full Name:
    Bill Russell
    #4 Dingbat, Aug 7, 2014
    Last edited: Aug 7, 2014
    Thank you Mr Vardanian
    hose are very goo photos and a GTL too, yours looks really quite original indeed, "my" car has traces of an underseal in the inner wings but nothing to draw any conclusions from, is there any to be seen around the engine, on the car I am working on it appears a number of items were installed prior to painting as when I removed the heater there was a shiny aluminium border underneath the periphery of the heater housing, also my car has the self same hammer marks in the inner wing closing panel behind the front wheel, I was going to remove them when I repaired those panels as they look like someone gave the panel a bashing after the car was built and they don't actually gain any real clearance, not sure what to do with them now. many thanks Billl.
     
  5. John Vardanian

    John Vardanian F1 Rookie

    Jul 1, 2004
    3,080
    San Francisco Area
    Full Name:
    John Vardanian
    #5 John Vardanian, Aug 7, 2014
    Last edited by a moderator: Sep 7, 2017
    Hi Bill, you are welcome. Looking at the photos I posted yesterday, it looks like the undercoating was applied after the bits and pieces were added, like in the front wheel wells for instance where you find undercoating on the air ducts and brackets, etc.

    In the 1980’s, with the arrival of wider, lower profile tires a good number these old sportscars were shod with these tires. In mine, someone beat the heck out of these inner panels to stretch them and make room for the “Corvette tires”. My man wanted to replace the stretched sections, but I told him to carefully shrink back these panels and correct the chewed up corners. It ended up being a tedious and time consuming work, heating, hammering and quenching over and over and over, but I’m glad I took that route.

    john
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