C4 Targa Soft Top lightweight and folding
New member as of April 22 , 2017
The Designer This forum never ceases to amaze me with the information and knowledge " Not Google Junk that you have to sift through " I love Corvettes . Through the years I have had 1975 Coupe "T-Top" . Tops were pretty easy to install. 1985 Coupe "20 years ago top was heavy, but I could put it on alone. Now Retired "Aerospace engineer/designer " and much older, I needed a project to keep me busy and out of my wife's hair. Recently purchased again a 1985 coupe "Barn Find" without a Targa top. Found a top on craigslist and realized I can't put it on alone. I looked for soft tops on the Internet but couldn't find anything that would serve my purpose. So I decided to design my own " In the new member section I quoted, as a joke, " how hard could it be ??!! " This is why I found your discussion on the C4 targa tops very informative. Never understood these 8 mm bolts? Where are the latches ? I just ASSumed the C4 Coupe would be on a convertible chassis. Knowing the problem of Vibration Existed , and still manufactured them?? Back to my original post in the new member section, I am designing and manufacturing a personal " light weight , folding convertible top " Will now be a lot stronger. Many Thanks to the CF members. The Designer |
Originally Posted by The Designer
(Post 1594610763)
I am designing and manufacturing a personal " light weight , folding convertible top "
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I own such a top. The foldable top is from Vettop called a Day-Tripper. Purchased in 1998. It folds in half, has convertible top fabric and bolts to the existing C4 top locations, and has OEM window weather-strip. Problem with the top is when I drive 65mph, wind will whistle through the center of the top and if it leaks air then it will leak water.
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C4 Targa Soft Top lightweight and falling
Just realized you have the top everyone says existed years ago. I could never find info on it. You mentioned that the header leaks at 65 mph. I knew that would be a possible problem, trying to keep the header profile thin between the two mounting points. I am now reinforcing that section ,Thanks
I have a ton of questions: Construction, Frame material, Type hinge , Header seal, Side window seal " you said OEM" ( I was trying to avoid that price ), Rear seal , Side tension cables , Top material "Haartz" ?, Side pads, Folded size, Weight , How did it store in the trunk , How much space was left , At 65 mph : Noise, Ballooning of fabric , Vibration, At higher speeds what would happen ? Finally : How did it look like GM made it ? Price? A lot of questions yes, you are my only connection to the past. My Proto type Specs : Frame: Aluminum 6061 flat bar stock Weight: Approx 10 to 12 lbs Folded size : 14" x 44" X4" high Top mat'l: Haartz Side pads Side tension cables Weatherstripping : Header, Rear and Sides Thanks in advance The Designer |
Sorry, cannot get more specific on how it was designed. Was not cheap, $475 from Corvette Central. After I found out it leaked air going down the Interstate I didn't use it much. Never seen rain. Another flaw is the front mounting positions. The main adjusting hardware for the 2 bolts (by the visors) is incased in a plastic frame and if the plastic breaks then new adjustment will be impossible. So right now I have no problems attaching the top to the windshield frame to my car. Will I use the top again, I doubt it but makes a great back-up top.
My C4 was a part time DD from 1995 to 2007 where I purchase a 2007 C6. Trade in on my 88 was so low I kept it. Now I am driving a 2015 C7 and my 35th C4 is slowly being restored (needs new paint) which I am in the process of doing all the prep work myself, this coming fall and winter. https://cimg5.ibsrv.net/gimg/www.cor...6ae1c0fb5c.jpg |
I'll take a few pics when I get back home on Sunday and post them for you.
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There is also the fox rain coat soft top. I have one. I haven't installed it yet on my Vette because I need to repair it first (it was damaged in shipping from the guy I bought it from). But the same general principle.
https://www.ecklers.com/corvette/cor...-121896-1.html |
C4 Targa Soft Top
Thanks for getting back to me. Love your C4 absolutely beautiful, side pipes 👍🏻👍🏻👍🏻👍🏻👍🏻. I have a long way to go before mine looks like yours. I got sidetracked for a year with this Soft Targa Top build.
It would be great if you could send pictures of your top I need to know what it looked like My Soft Targa Top that I designed and built looks as if General Motors manufactured it as an option . That was the plan from the beginning because I couldn't find anything on the Internet . As we speak I am reinforcing the front header Per your suggestion about water leakage. Regarding the front mounting bolts my top has a floating attachment system that uses the C4 existing bolts . Right now my top fits '84, '85 and early '86 ( first mounting configuration ) and can be easily adaptable for the other two later configurations Looking forward to seeing the pictures . Also send pictures of the C7 All input is greatly appreciated The Designer |
C4 Targa Soft Top
Thanks for the info on the "Rain Coat "
Nice top . I wanted something that I could leave on and take off easily so I would never have to use the heavy targa top. This is the main reason why I decided to build this . Almost complete Thanks Again The Designer |
Here are the photos of the Vette Top
https://cimg7.ibsrv.net/gimg/www.cor...3cbfd3bf6e.jpg https://cimg0.ibsrv.net/gimg/www.cor...12fb667a0e.jpg https://cimg9.ibsrv.net/gimg/www.cor...ea1aa7b5ce.jpg https://cimg4.ibsrv.net/gimg/www.cor...913a2857b6.jpg OEM weatherstripping https://cimg3.ibsrv.net/gimg/www.cor...6cff6ce99e.jpg center hinge https://cimg7.ibsrv.net/gimg/www.cor...fc18ea0229.jpg |
C4 Targa Soft Top
HAD2HAV2
Thanks for the photos, exactly what I was looking for. I see the mounting points, in the Plastic Header, are deteriorated and further use , like you said , wouldn't be possible to install properly. Passenger side is really bad. Vibration will cause this type of damage. All and all it looks like a nice top, I can see why you purchased it. $475 wasn't bad back in 1998 for the design and construction of it. It's too bad that it didn't hold up. My design is different and soon as I can figure how to post pictures on CF I'll show you my top. Thanks again for your time and photos. The Designer |
If your design does not use Velcro that would be a huge plus. I'm interested to see what yuo come up with!
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Originally Posted by The Designer
(Post 1594648392)
HAD2HAV2
Thanks for the photos, exactly what I was looking for. I see the mounting points, in the Plastic Header, are deteriorated and further use , like you said , wouldn't be possible to install properly. Passenger side is really bad. Vibration will cause this type of damage. All and all it looks like a nice top, I can see why you purchased it. $475 wasn't bad back in 1998 for the design and construction of it. It's too bad that it didn't hold up. My design is different and soon as I can figure how to post pictures on CF I'll show you my top. Thanks again for your time and photos. The Designer Interested on what you can come up with. |
C4 Targa Soft Top
Originally Posted by 85 Stalker
(Post 1594648774)
If your design does not use Velcro that would be a huge plus. I'm interested to see what yuo come up with!
No Velcro was used in my Top. It looks, and folds back, just like a standard convertible top. Has Weatherstripping (not OEM) at the header, rear frame, side windows and all are adjustable. Thanks to HAD2HAV2 suggestions and photos . I am in the process of finalizing the prototype and soon will be posting photos. Thanks again THe Designer |
Originally Posted by The Designer
(Post 1594655892)
Thanks for the interest.
No Velcro was used in my Top. It looks, and folds back, just like a standard convertible top. Has Weatherstripping (not OEM) at the header, rear frame, side windows and all are adjustable. Thanks to HAD2HAV2 suggestions and photos . I am in the process of finalizing the prototype and soon will be posting photos. Thanks again THe Designer |
For c72016
Originally Posted by daverulz
(Post 1594627294)
There is also the fox rain coat soft top. I have one. I haven't installed it yet on my Vette because I need to repair it first (it was damaged in shipping from the guy I bought it from). But the same general principle.
https://www.ecklers.com/corvette/cor...-121896-1.html |
Didn't realize they offered the fox raincoat to fit newer Vets interesting
As I said in my post earlier I wanted something that I could leave on and replace the heavy hardtop Soon will be posting photos of the top I designed |
C4 Targa Soft Top
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C4 Targa Soft Top
https://cimg6.ibsrv.net/gimg/www.cor...d78b491e7e.jpg
To Remove Top:<br/>Disconnect (2) front mounting bolts and fold back.<br/>At the rear are (2) knobs, that replace the ratchet tool. Turn knobs CCW 6 to 8 turns and remove top. |
C4 Targa Soft Top
https://cimg8.ibsrv.net/gimg/www.cor...de269d8df6.jpg
Folded top stores neatly in back, utilizing existing brackets, secured with straps.<br/><br/><br/> |
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