| [GMCnet] 1966 plastic trans chain cover [message #232886] |
Wed, 11 December 2013 09:57  |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
Karma: 11
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In 66, Olds spared no expense to make sure the front wheel drive unit was as quiet as possible. Is that cover worth installing on our GMC's? I think probably not.For those that didn't know about the cover. It covered the stamped steel chain cover for sound reduction. I believe it was used for 1966 only.
Bob Dunahugh78 Royale
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| Re: [GMCnet] 1966 plastic trans chain cover [message #232922 is a reply to message #232901] |
Thu, 12 December 2013 00:44  |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Sound control might be important, but there is a cooling issue that the
coach needs.
By the way, the plastic cover was a molded fiberglass to help attenuate the
sound.
Even the timing chain gears wer made of some phonolic materiel to quiet it.
On Wed, Dec 11, 2013 at 1:21 PM, Robert Mueller <robmueller@iinet.net.au>wrote:
> Bob,
>
> A couple of years ago I bought a switch pitch tranny off eBay that came
> with one of those, and I debated installing it but came to
> the decision not to bother as I figgered that the chain didn't REALLY
> contribute any substantial amount to the noise level in the
> cockpit.
>
> IIRC it was lined with some kind of sound absorbing material.
>
> Regards,
> Rob M.
>
> -----Original Message-----
> From: Bob Dunahugh
>
> In 66, Olds spared no expense to make sure the front wheel drive unit was
> as quiet as possible. Is that cover worth installing on
> our GMC's? I think probably not.For those that didn't know about the
> cover. It covered the stamped steel chain cover for sound
> reduction. I believe it was used for 1966 only.
> Bob
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
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www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] 1966 plastic trans chain cover [message #233165 is a reply to message #232886] |
Sun, 15 December 2013 19:30 |
Chr$
Messages: 2690
Registered: January 2004
Location: Scottsdale, AZ
Karma: 1
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Senior Member |
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The chain is noisy if you have the power drive...
-Chr$: Perpetual SmartAss
Scottsdale, AZ
77 Ex-Kingsley 455 SOLD!
2010 Nomad 24 Ft TT 390W PV W/MPPT, EV4010 and custom cargo door.
Photosite: Chrisc GMC:"It has Begun" TT: "The Other Woman"
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| Re: [GMCnet] 1966 plastic trans chain cover [message #233236 is a reply to message #232886] |
Mon, 16 December 2013 16:33 |
Chr$
Messages: 2690
Registered: January 2004
Location: Scottsdale, AZ
Karma: 1
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Senior Member |
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Perhaps My hearing is better? All the noise from my engine room is that whine...
...Unless it is something else, but it seemed to start when I got that upgrade.
Reeeeeeeeeeeeeeeeeee
I probably drive a lot faster too... 
-Chr$: Perpetual SmartAss
Scottsdale, AZ
77 Ex-Kingsley 455 SOLD!
2010 Nomad 24 Ft TT 390W PV W/MPPT, EV4010 and custom cargo door.
Photosite: Chrisc GMC:"It has Begun" TT: "The Other Woman"
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