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Old 11-12-2011, 05:41 PM
chrisp chrisp is offline
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Default 64 GTO hood scoops install

Did GM use a seal / putty used to keep water from going between the scoops & the hood ? Concerned about water sitting / getting between the scoops / hood & pad . Just finished the re-paint ready to install . thanks
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Last edited by chrisp; 11-12-2011 at 05:48 PM. Reason: add
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Old 11-12-2011, 06:57 PM
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Default Memory?

Been many many years ago but I sure remember pulling 64 scoops off and seeing a thin white caulk material all flattened out stuck around the perimeter of the scoop.

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Old 11-12-2011, 06:58 PM
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they used putty. I think I may have a couple 64 hoods here that the scoops haven't been out of before I'll check and post a picture.

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Old 11-12-2011, 08:05 PM
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Yeah, they use dum-dum or body schutz or whatever they called it. Not sufficeint for a seal but enough to make a good fit between the unflexiable hood scoop, and the flexible hood.

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Old 11-12-2011, 08:21 PM
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According to the assembly manual GM actually had LH and RH part numbers for the seal(s) on the assembly line.

Those seals were never offered as a service part as far as I know of.


I would say 3M strip caulk would work just fine today.

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Last edited by Peter Serio; 11-12-2011 at 08:23 PM. Reason: added some more info.
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Old 11-12-2011, 08:23 PM
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The original seals had some sort of thin string inside the sealing material for reinforcement, I pulled a set off of one of my '64 GTO hoods that had never been taken apart and found this out.

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Old 11-13-2011, 12:09 AM
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That sounds like the same type material they used for the water shields behind the door panels, also gray with a string in it. I don't know a source for the gray stuff.

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Old 11-13-2011, 12:27 AM
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Strip caulk from 3M is perfect for this seal. The originals I've seen have a similar caulking material on them that's dark gray.

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Old 11-13-2011, 03:21 AM
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it cant be to seal the scoop can it? would it be to prevent rattles.

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Old 11-13-2011, 09:19 AM
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Excellent info. i think i now have a solution for that product but no string , will post results , you guys are the best . thanks

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Old 11-13-2011, 11:29 AM
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Default String

Quote:
Originally Posted by b-man View Post
The original seals had some sort of thin string inside the sealing material
I was going to mention seeing a string in the caulk in my above post but thought I might be losing it again with the "old brain" issue. LOL. Anyway I would think this putty/caulk is for sealing out the moisture more than the rattle. Similar material is also on the 65,66,67 scoops.

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Old 11-14-2011, 01:18 PM
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Found a inexpensive product made by Frost king P14H 3/16" grey 30' long no string got it local worked great .

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Old 10-04-2021, 06:10 AM
64OrPontiac_owner 64OrPontiac_owner is offline
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Default quick question

Quote:
Originally Posted by chrisp View Post
Found a inexpensive product made by Frost king P14H 3/16" grey 30' long no string got it local worked great .
aside from the frost king product, you just used standard install/mounting hardware?

thx for your time.

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Old 10-06-2021, 07:58 AM
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Quote:
Originally Posted by 64OrPontiac_owner View Post
aside from the frost king product, you just used standard install/mounting hardware?

thx for your time.
Yes.

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Old 10-06-2021, 08:55 AM
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Don't over tighten the mounting nuts! Just a light touch on them as they are small and if over tightened can damage the scoops themselves. The sealer also helps keep them properly attached to the car.

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