Factory undercoating

Discussion in 'Body Restoration' started by 1972original, Dec 5, 2019.

  1. 70lt1z28

    70lt1z28 Veteran Member Gold Member

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    Oct 3, 1999
    Beavercreek, Ohio, USA

    I suppose you could be correct, but the way some of the GM docs are presented just makes me think otherwise like there is something more to the Z87 than the cowl seals and the underhood insulation. Case in point is this from the GM Heritage Center docs for the 1970 Camaro:

    at the bottom of page 7 it lists the optional components for the RPOZ87 and it specifically line items the cowl seals, the underhood insulation and the "additional body insulation":
    Seems a bit strange to me that they would line item this way if the "additional insulation" was the hood insulation and cowl seal combinations. See what i mean?
    Another interesting statement is on page 16:

    which is exactly what the OP was asking about. i think the "underbody at desiganted areas" is maybe the trans tunnel and mine has some on the lower firewall also.
    I do not know if my car was dealer undercoated. Maybe a good question for the original owner, but she most likely won't remember.

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  2. l16pilot

    l16pilot Veteran Member Lifetime Gold Member

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    Dec 13, 2004
    Hurlock, MD, USA
    Dave - I am very familiar with the above doc and I use it as a guide...but only as a guide. There is quite a bit of incorrect info, not to mention the complete omission of the L-78 option. Not to say the above is not accurate...just saying the General Specifications document leaves a lot to be desired.

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