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1970 rear copo spoiler questions.

Discussion in 'Original Drivetrain Topic' started by ronzz572, Jul 25, 2010.

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  1. Jul 25, 2010 #1
    ronzz572

    ronzz572 Veteran Member Lifetime Gold Member

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    Were the factory installed 70 z28 copo spoilers different in any way from the over the counter spoiler sold? Meaning by part numbers molded under the spoiler and manufacturer of the spoiler 3990475 LH 3990476 RH 480161 CENTER. Most spoilers i have seen were manufactured by general tire, Were they the 1970 only copo manufacturer or is there others?
     
  2. Jul 25, 2010 #2
    GREGS396

    GREGS396 Veteran Member

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    I had a 70 center that was made by Barnum fiberglass co, or something like that. It had some light damage, and I might have tossed it last year. I put a post on here about it, and it didn't generate much conversation from the 70 specialists......
     
  3. Jul 25, 2010 #3
    MagicRatt

    MagicRatt Veteran Member

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    I have the general tire spoiler on my 70, but I don't think it was factory installed with a O3A build date...........
     
  4. Jul 25, 2010 #4
    dkatap

    dkatap Veteran Member Lifetime Gold Member

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    The COPO 70 and early 71 spoilers were manufactured by A O Smith company. The General Tire manufactured spoilers were later production.

    Dennis
     
  5. Jul 26, 2010 #5
    owners2

    owners2 Veteran Member

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    Well spoken Dennis. And the later version spoilers that where made with the new tooling which came on all 71 Z28's as standard after sometime mid year had the same part # with a -2 at the end of the part #. Jeff Cannon
     
  6. Jul 26, 2010 #6
    ronzz572

    ronzz572 Veteran Member Lifetime Gold Member

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    Any one have pics of a A O SMITH rear spoiler showing the underside markings, logos, part numbers?
     
  7. Jul 26, 2010 #7
    dkatap

    dkatap Veteran Member Lifetime Gold Member

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    Ron, send me a message with your email and I can send you a picture.

    Dennis
     
  8. Jul 26, 2010 #8
    ronzz572

    ronzz572 Veteran Member Lifetime Gold Member

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    Dennis pm sent thanks Ron.
     
  9. Oct 5, 2018 #9
    jbloake

    jbloake Veteran Member

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    Has anyone seen these spoilers with part numbers with -2 on them ? Can anyone post a picture?
     
  10. Oct 23, 2018 #10
    70 RS/Z28

    70 RS/Z28 Veteran Member Lifetime Gold Member

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    Comments

    s-l16WEFwe00.jpg
     
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