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glass vs plastic 99 new convertible top

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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHglass vs plastic 99 new convertible top

Leading reported evidence

Replace based

Performed · outcome unconfirmed

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Performed · outcome unconfirmed

Need to get my top fixed or replaced, Based on comments above, guess I will go with a plastic replacement......

glass vs plastic 99 new convertible top
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Leading evidence: 'Replace based' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace based' (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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Replace top

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Reported fixes
0
Unsuccessful attempts
1
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

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0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

A few years ago, I took my car to a local auto upholstery shop that "does convertible tops" and asked for an estimate to replace the top.

glass vs plastic 99 new convertible top

Suggestion

I'm going with glass when I eventually replace my top.

glass vs plastic 99 new convertible top

Use instructions

Suggestion or failed attempt

No successful repair reported for this finding.

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Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

I glued only using your instructions.

glass vs plastic 99 new convertible top

Use mk2 tops

Suggestion or failed attempt

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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

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Suggestion

YOU CANNOT USE Mk2 tops with the large glass window on a Mk1 car.

glass vs plastic 99 new convertible top

Use same motor 99-2005

Suggestion or failed attempt

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0
Unsuccessful attempts
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Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

I told him to go ahead and mount it as far as I know they have been using the same motor 99-2005.

glass vs plastic 99 new convertible top
Frequently discussed actions (5)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Replace based

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

Need to get my top fixed or replaced, Based on comments above, guess I will go with a plastic replacement......

glass vs plastic 99 new convertible top

Replace top

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

A few years ago, I took my car to a local auto upholstery shop that "does convertible tops" and asked for an estimate to replace the top.

glass vs plastic 99 new convertible top

Suggestion

I'm going with glass when I eventually replace my top.

glass vs plastic 99 new convertible top

Use instructions

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

I glued only using your instructions.

glass vs plastic 99 new convertible top

Use mk2 tops

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

YOU CANNOT USE Mk2 tops with the large glass window on a Mk1 car.

glass vs plastic 99 new convertible top

Use same motor 99-2005

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

I told him to go ahead and mount it as far as I know they have been using the same motor 99-2005.

glass vs plastic 99 new convertible top
Coverage and how to read this overview

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.

22 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Rennlist: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261026T103553Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

What are your opinions on a new convertible top? Should I got with the plastic one for $375 or glass one for $599? Considering install will be $900 the $200 does not make that much difference but I am not convinced on either? Plastic is more of original look but glass will be more of updated look? The glass window is way smaller that the plastic. What are your suggestions?

POST 2Original post

I'm going with glass when I eventually replace my top. I like the upgraded look of it, even with a smaller window area. Plus, this

POST 3Original post

I went with plastic on my 2001 about 6 months ago. I did not want the smaller window. I just need to find a good protection coating to keep it clear now. Attachment 808026

POST 4Original post

Quotes source post: 11147346

A picture indeed paints a thousand words....exactly why Porsche switched to glass

POST 5 / ORIGINAL POSTEROriginal post

Quotes source post: 11149745

That's what happened to my car, in Porsche defense it lasted 14 years, in cold Canadian climate with constant freezing cycles.

POST 6Original post

Fris, your glue and stitching gave way? I glued only using your instructions. I got a few years out of it and just put on the cheap ebay top. I stuck with plastic to maximize the size.

POST 7Original post

Having previously owned a Boxster with a plastic window that was hazy and creased, glass all day long. At least if you plan to keep the car.

POST 8Original post

Quotes source post: 11155015

Nope. Glue and stitching (and the top) are holding up fine! 3.5 years and counting. Not planning on replacing it yet. But, when I eventually do, I think I'll go with glass. That picture was from before I did the repair in 2010 .

POST 9Original post

His window didn't fail because of the plastic, it failed because of the glue. The replacements are double stitched and much more durable. Go with whichever one strikes your fancy. I'm due for a replacement because of the glue failure. I will most likely stay with plastic because it looks more like the lines of a coupe than does the much smaller glass window.

POST 10Original post

I went with the plastic Gahh. I don't like the way the glass windows look. My logic was if the original plastic lasted 10 years parked outside then now that I park in the garage it should last 15 years this time around.

POST 11Original post

Great Fris, I tried a few stitches and couldn't do it. I followed your instructions on the glue (stopped there) and it was great for two or so years. I have a new top now so all is well. Yes, the new top is stitched. I stuck with plastic.

POST 12 / ORIGINAL POSTEROriginal post

I went with glass top since I am going after the upgraded look with 997 lights, turbo tips etc. So i figured glass would give it more modern look. I dropped the car off at my installer yesterday and he calls me today, saying that its a glass top and he called local porsche dealership and they told him that the glass is way to heavy for the motor and it won't work properly. I told him to go ahead and mount it as far as I know they have been using the same motor 99-2005. Has anyone heard of such thing or had problems with their roof because "the motor wasn't strong enough to power glass top?"

POST 13Original post

My 99 has a glass top and it's been working fine.

POST 14Original post

Mk1 Cabs have 3 choices: Factory top with plastic window, aftermarket top with plastic window, or aftermarket top with small glass window. YOU CANNOT USE Mk2 tops with the large glass window on a Mk1 car.

POST 15 / ORIGINAL POSTEROriginal post

not sure why dealerships make such stupid remarks. if they don't know they could say so instead of making up answers that makes them deserve the stealership nickanme. The top manufacturer said they never heard of anything this ridiculous.

POST 16Original post

Funny story. A few years ago, I took my car to a local auto upholstery shop that "does convertible tops" and asked for an estimate to replace the top. The guy looked it over and said it would be an expensive custom job. He explained that my car was an aftermarket conversion to a convertible, since "the 911 was made in a convertible version from the factory." Needless to say, I went elsewhere.

POST 17Original post

Quotes source post: 11281964

Your dealership is RIGHT. A Mk1 car cannot accommodate an original Mk2 top with original glass. Your dealership does not fit aftermarket tops with the much smaller, tiny, thinner, lighter glass top, and nor are they obligated to know about it. They are a factory dealership that sells and installs factory parts.

POST 18Original post

Quotes source post: 11283838

While the dealer might not install aftermarket parts, one would hope they were knowledgeable enough about 10+ year old cars to know that an aftermarket exists, and to not provide customers and third-party installers with flat-out incorrect information. They are supposed to be the experts on these cars after all.

POST 19 / ORIGINAL POSTEROriginal post

Quotes source post: 11283865

what is the reason 2002 tops do not fit on earlier models? is it because of the fit or because of the motor hp. I just checked parts manual. 996 561 933 00 engine -03... so same motor up to 2003.

POST 20Original post

not sure if you've seen this: https://rennlist.com/forums/996-foru...996-1-car.html

POST 21 / ORIGINAL POSTEROriginal post

Quotes source post: 11285344

Wish I saw this thread few days ago. So like i suspected it has nothing to do with motor strength but with design of other components.

POST 22Original post

Anyone have a recommendation for a MA or NH installer...... Need to get my top fixed or replaced, Based on comments above, guess I will go with a plastic replacement...... don't want a smaller window.

This is a source reference. Confirm exact model applicability in the original material.