7 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
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YOUR RESEARCHengine compartment lining
Leading reported evidence
Use of these products restoring old 60's and 70's 911s
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Performed · outcome unconfirmed
We used both of these products restoring old 60's and 70's 911s for years.
Leading evidence: 'Use of these products restoring old 60's and 70's 911s' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Repair /replacement is not something rennlisters seem' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Repair /replacement is not something rennlisters seem
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Suggestion · Original poster
Interesting that liner repair/replacement is not something Rennlisters seem to do to their cars.
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Suggestion · Original poster
I think the big risk is the replaced lining would need to be really glued on there.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
7 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261027T042512Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Has anyone removed the foam lining and put in something new...foam like the original or more modern sound deadening liner? I can't tell if that's completely crazy and hard--likely to mess things up since there are a bunch of attachment points...but I'm curious and the motor is out soooo...
Attached is a photo looking "up" into the empty bay--you'll see the coolant reservoir on the left. Not a great pic, but you get the idea.
Tom
It's glued on. To get it off, pull an edge and take the whole thing down. Then go in the car, remove the carpet, and place dry ice on the metal. This will cool the glue enough to easily remove it.
There is much more interior noise with that removed. It might help with heat soak into the cabin as well.
Have you looked into applying a soundproofing product such as Dynamat?
I'm not sure if that particular product is made for an engine bay, but I would think some products are.
I'd love to hear if anyone has done something like that. I think the big risk is the replaced lining would need to be really glued on there. I've put dynamat on a TR6 transmission tunnel (inside, under the carpet) on the floorboards, and inside the doors. There's no risk of it falling off or onto the motor in that application--but it did a good job.
How about a spray-able liner? 3M Body Schutz may be an option here, but it is not paint-able. 3M Rocker Schutz is paint-able.
I'm not sure how much sound dampening it would provided compared to the OEM lining, but it does provide sound dampening.
We used both of these products restoring old 60's and 70's 911s for years.
Interesting that liner repair/replacement is not something Rennlisters seem to do to their cars. I might try cleaning it up and sealing the rips with some strong, glueable tape.
I took it off my car to clear the LS1. I didn't notice a difference in interior noise because the engine was so much louder than the M96. I didn't notice a difference in heat soak, but it might be noticeable on an otherwise stock car.
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