You may get away with gluing the nuts to the bare metal, but make sure
you use plenty of copper grease when you fit the bolts.
However there is no guarantee.
It is safer though to weld the nuts with 2 shots of the Mig welder and
repaint.
Kees Oudesluijs
NL
Thomas Morrione wrote:
> Perry,
> Thanks for the warning. I'll attend to the hole sizes. I noticed the captive
> nuts when the old tar paper came out.
>
> Somewhat related question -- might it be possible to clean up already
> painted metal and use something like JB Weld (carefully) to affix captive
> nuts where ones were left off after replacing sheet metal? I have new foot
> wells that the fabrication person forgot to weld nuts for the asbestos
> insulation to. Or should I weld and repaint?
>
> Tom
>
>
> On 4/24/10 5:43 PM, "healeyguy@aol.com" <healeyguy@aol.com> wrote:
>
>
>> Tom
>> One thing with cutting the holes with a knife. If a grommet has to be
>> inserted in the hole in the firewall the extra thickness of the tar
>> paper/felt may make it difficult to fit the grommet. Original cutouts
>> were over sized. Some holes are in the tar paper just to clear the
>> welded nuts on the back of the firewall. I found it just as easy to
>> make a paper template and then cut or punch the holes using it as a
>> guide on the tar paper. All the best.
>> Aloha
>> Perry
>>
>> Tom wrote:
>>
>> Rob,
>>
>> Many thanks for the tip. Especially helpful since likely not to have all
>> right hole punch sizes.
>> Tom
>>
>>
>> On 4/24/10 2:18 PM, "robert westcott" <55healey@comcast.net> wrote:
>>
>>
>>> A good sharp exacto knife works well once it's in place, just carve
>>> around the inside of the edge of the hole.
>>>
>>> Rob
>>>
>>> On Apr 24, 2010, at 8:29 AM, Thomas Morrione wrote:
>>>
>>>
>>>> I hope that a friend in an art supply store's right saying paper hole
>>>> punches he has will work -- if not, you're right -- lot's of
>>>> patience. I've
>>>> never worked with Dynamat before. Am inspired by Dynamat use and
>>>> restoration
>>>> pix of "Andy's Healey" at
>>>>
>>>> http://www.austin-healey3000.com/interior.htm
>>>>
>>>> Tom
>>>>
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