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Topic: How do I preserve further a 1992 convertible with only 9400 miles?

in Forum: C4 General Discussion


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How do I preserve further a 1992 convertible with only 9400 miles? (1/10)
 6/1/13 2:03pm
JimGnitecki
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Austin, TX - USA

Vette(s):
1992 Corvette convertible - exceptionally low miles


Joined: 5/31/2013
Posts: 9

I have just rekindled a dream. Back in 1997 and 1998, I owned a 1995 black 6-speed convertible, that was my daily driver. I sold it when I started to commute 90 miles per day, as that kind of miles would burn up the car faster than I could afford. But I have always missed it, preferring it to even the 2002 Z06 I owned later. The C4 cockpit and instrument panel ergonomics just fit me unusually perfectly, I love the conservative styling compared to both preceding and subsequent models of Corvette, and the size and weight of the car are "just right".

Today, I am "partially retired', working only sometimes as I approach full retirement, and so annual mileage is becoming pretty low. This past week, I found and bought a 1992 Corvette convertible, that had evidently been kept sort of as a collectible, being exercised only 300 to 400 miles per year, so it has only 9400 miles on it (not a typo, really 9400 miles). The Carfax report on it verified the almost perfect addition of 300 to 400 miles per year.

I view this as a perfect replacement for my 1995 model of almost 2 decades ago. It has a white exterior, white convertible top, light gray with black interior with sport seats, white convertible top, Bose system (with CD), the FX3 adjustable suspension, the automatic transmission, and the performance axle. EVERYTHING works. Because the car has such low miles on it, it actually feels as good or better than my 1995 model did at the time, and it is a total joy for me to drive.

My concern is how do I successfully preserve this car, whose components and materials already have 21 years of aging on them despite the low miles?

How do I preserve:

- The paint?

- The convertible top?

- That flimsy plastic rear window?

- The weather seals?

- The dash?

- The console?

- The door panels?

- The carpeting?

- The various plastic switches and buttons (which I assume get brittle with age)?

- The leather sport seats so they don't crack (NO cracks right now!)?

- What kind of cover should I buy to protect it when parked outdoors for long periods?

The Carfax report shows oil changes done, and even a rear differential fluid change, but no specific mention of coolant changes or brake fluid changes, so I am assuming I should do both.

What should I be doing on each of the components listed above?

Jim G


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Re: How do I preserve further a 1992 convertible with only 9400 miles? (2/10)
 6/1/13 8:55pm
eddie20890
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lanoka harbor, NJ - USA

Vette(s):
1990 L-98 white/ red/black leather interior targa top auto 1975 L48 blue/black leather interior t tops auto


Joined: 3/22/2009
Posts: 1363

the best thing to do is go through all the forums. there is a forum dedicated to car care and the other for interior may have all the answers you need. you could probably find many of the answers you are looking for.

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Re: How do I preserve further a 1992 convertible with only 9400 miles? (3/10)
 6/2/13 1:07am
davep85c4
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Joined: 4/4/2009
Posts: 254

Every item on your last has the same answer as the #1 way to reduce deterioration. Keep it out of the sun!
Re: How do I preserve further a 1992 convertible with only 9400 miles? (4/10)
 6/5/13 8:29pm
helphos
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Olney, MD - USA

Vette(s):
93 Polo Green Convertible with Bilstein Shocks, Autopower RollBar, Simpson 5 point harness, Grand Sport wheels, bald tires and dirty air filter! 2003 Anniversary Red 50th Anniversary Convertible


Joined: 10/20/2010
Posts: 49

Best solution-  outsource the problem to me.  for $1 per year, I will treat your baby as if it was my own.  It will reside in my climate controlled garage and be driven only on 'special occasions.'   

If you're ever dissatisfied, or catch me taking it to HPDE events or autocrosses, you can reclaim it and I'll give you double your money back. Wink

Sincerely,

Speedy Gonzalez


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Re: How do I preserve further a 1992 convertible with only 9400 miles? (5/10)
 6/5/13 9:09pm
JimGnitecki
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Austin, TX - USA

Vette(s):
1992 Corvette convertible - exceptionally low miles


Joined: 5/31/2013
Posts: 9

helphos said: Best solution-  outsource the problem to me.  for $1 per year, I will treat your baby as if it was my own.  It will reside in my climate controlled garage and be driven only on 'special occasions.'   

If you're ever dissatisfied, or catch me taking it to HPDE events or autocrosses, you can reclaim it and I'll give you double your money back. Wink

Sincerely,

Speedy Gonzalez

You are too kind. I could not take advantage of you like that . . . :)

Jim G




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Re: How do I preserve further a 1992 convertible with only 9400 miles? (6/10)
 6/5/13 10:54pm
Corveddie
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Beacon, NY - USA

Vette(s):
1994 convertible, arctic white, black top and interior. LT1 auto.


Joined: 11/29/2009
Posts: 43

I'll take a stab at this.  I have a 1994 convertible that I have owned for 14 years, has just shy of 70,000 miles.  It is mostly original, and I have a few car show trophies, so I guess I must be doing something right. 

The paint - I clay it every other year, alternating with a machine polish.  Wax of your choice.  Presently I am using Griot's Paint Sealant, an artificial wax, and Eagle 1 Wax-as-U-Dry to spiffy it up between full waxes.

The convertible top - If you want to keep it perfect, NEVER PUT IT DOWN!  Most wear and damage occurs where the top folds.  Use Ragg Topp cleaner and Ragg Topp vinyl top protectant.

The flimsy rear window - can't help you there, I have a glass window.  However, plastic window cleaners and polishes have been around for decades, and Ragg Topp makes a kit for that too.

The weather seals - GM used to sell a silicone compound for that.  I haven't used it in years, messy.

The dash - I use a dry dusting wipe and give it an Armorall treatment once in a while.  I prefer low gloss Armorall, but I don't think that's available anymore.

The console - See above

The door panels - See above

The carpeting - Get door sill protectors.  I have footwell liners, but I don't think they're available for your year.  I just vacuum the carpeting.

The various plastic switches and buttons (which I assume get brittle with age) - Same as for the dash.  The only parts I can recall replacing were the seat back lever bezels, and that is so common that a guy used to sell custom machined replacements. 

The leather sport seats so they don't crack (NO cracks right now!) - I have used a few different cleaners and conditioners.  I have heard that Lexol dissolves the stitching.  Get in and out of the car chick style, sit on the seat with your feet on the ground, then swing your legs into the car.  People who insist on getting in one foot at a time destroy the outer bolster.

What kind of cover should I buy to protect it when parked outdoors for long periods - My car has been outside for extended periods, and I recommend a Typhoon cover available from Mid America Motorworks.  It is completely waterproof, gives good physical and UV protection.  Since it is not porous like most other covers, it has vents.  My only complaint with it is that I wish it extended lower, you will get some rain splash on the lower extremities.

You already mentioned the coolant, coolant system cleanliness is very important in the LT1.

Have you checked the condition of the tires?

Corveddie




Re: How do I preserve further a 1992 convertible with only 9400 miles? (7/10)
 6/11/13 12:22pm
JimGnitecki
Standard Member
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Austin, TX - USA

Vette(s):
1992 Corvette convertible - exceptionally low miles


Joined: 5/31/2013
Posts: 9

Corveddie said: I'll take a stab at this.  I have a 1994 convertible that I have owned for 14 years, has just shy of 70,000 miles.  It is mostly original, and I have a few car show trophies, so I guess I must be doing something right. 

The paint - I clay it every other year, alternating with a machine polish.  Wax of your choice.  Presently I am using Griot's Paint Sealant, an artificial wax, and Eagle 1 Wax-as-U-Dry to spiffy it up between full waxes.

The convertible top - If you want to keep it perfect, NEVER PUT IT DOWN!  Most wear and damage occurs where the top folds.  Use Ragg Topp cleaner and Ragg Topp vinyl top protectant.

The flimsy rear window - can't help you there, I have a glass window.  However, plastic window cleaners and polishes have been around for decades, and Ragg Topp makes a kit for that too.

The weather seals - GM used to sell a silicone compound for that.  I haven't used it in years, messy.

The dash - I use a dry dusting wipe and give it an Armorall treatment once in a while.  I prefer low gloss Armorall, but I don't think that's available anymore.

The console - See above

The door panels - See above

The carpeting - Get door sill protectors.  I have footwell liners, but I don't think they're available for your year.  I just vacuum the carpeting.

The various plastic switches and buttons (which I assume get brittle with age) - Same as for the dash.  The only parts I can recall replacing were the seat back lever bezels, and that is so common that a guy used to sell custom machined replacements. 

The leather sport seats so they don't crack (NO cracks right now!) - I have used a few different cleaners and conditioners.  I have heard that Lexol dissolves the stitching.  Get in and out of the car chick style, sit on the seat with your feet on the ground, then swing your legs into the car.  People who insist on getting in one foot at a time destroy the outer bolster.

What kind of cover should I buy to protect it when parked outdoors for long periods - My car has been outside for extended periods, and I recommend a Typhoon cover available from Mid America Motorworks.  It is completely waterproof, gives good physical and UV protection.  Since it is not porous like most other covers, it has vents.  My only complaint with it is that I wish it extended lower, you will get some rain splash on the lower extremities.

You already mentioned the coolant, coolant system cleanliness is very important in the LT1.

Have you checked the condition of the tires?

Corveddie





Thank-you, Corveddie! I apologize for the late response today - I didn't get an alert that your posting occurred, and have been a little too busy to get to the site til today!
 
I did check the tires before buying the car. They are Michelin Pilot Sport A/S tires, with virtually no tread wear at all, and a manufacturing date code of October 2010 (2.5 years ago).
 
I also have already had the brake fluid changed, since I had no idea whetehr the previosu owner had ever done that or not, and even though the fluid did not look milky. The Carfax report showed the differnetial fluid being changed a couple of years back. The coolant looks clean, but I plan to change it anyway since it is so critical for corrosion protection, and because here in Austin, Texas, the daytime highs are already now mid 90s but will soon reach 105+.
 
Yesterday, I also replaced the battery. It was starting the car just fine every time, but I noticed that when the car was at a body shop to perfect the positioning of the driver side window, and later at Brake Check to get the brake fluid changed, both times the door and/or hood were left open during the service and both times the battery needed a boost to start the car afterwards! I guess the previous owner's regular exercising of the car was not enough to keep that battery from getting discharged by the computer, etc, and thus losing its reserve capacity over time. I replaced it with the best battery that the auto parts store offered.
 
I'm going to ask a friend who owns a large transmission shop whether I should also flush the automatic tarnsmission fluid, despite the low miles on the car, just ebcause of the age of the fluid, and not knowing if it has ever been changed in the 21 years.
 
I do use that "chick" style of entry and exit, since ebsides protecting the carpeted sills, it also encourages me to NOT put weight on the steering wheel, which apparently over time destroys the u-joint in the tilt steering wheel, AND it's a lot easier to exit that way.
 
Couple of questions for you:

1. What leather treatment other than Lexol do you recommend for the leather seats?
 
2. What door sill protectors? (I would prefer sills that use either exisitng fasteners in the sills, or that do not require fasteners instead using a simple friction fit, since i hate to add holes to a car.
 
Jim G


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Re: How do I preserve further a 1992 convertible with only 9400 miles? (8/10)
 6/19/13 8:47pm
Corveddie
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Beacon, NY - USA

Vette(s):
1994 convertible, arctic white, black top and interior. LT1 auto.


Joined: 11/29/2009
Posts: 43

My (original) seats, I have some fine cracking on the driver's seat, bigger issue is that the padding is breaking down.  Passenger seat is pretty much like new.  I am presently using Poor Boy's World Leather Stuff because I like their products.  I have also used Meguiars Gold Class Leather Cleaner and Conditioner.

Door sill protector:  http://www.mamotorworks.com/corvette-c4-door-sill-protectors+1984+1996-1-53-1047.html
This is what I have, and they just slip on.

Plan on replacing the battery every 4 years.  You probably had battery problems during the service visits because they were running the window up and down with the engine off, if the AC was on, the blower will stay on until voltage gets critical, and while the hood was open, the underhood lamps pull down 2 amps.  As I recall, the courtesy lights time out.

Corveddie
Re: How do I preserve further a 1992 convertible with only 9400 miles? (9/10)
 6/19/13 9:05pm
JimGnitecki
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Austin, TX - USA

Vette(s):
1992 Corvette convertible - exceptionally low miles


Joined: 5/31/2013
Posts: 9

Corveddie said: My (original) seats, I have some fine cracking on the driver's seat, bigger issue is that the padding is breaking down.  Passenger seat is pretty much like new.  I am presently using Poor Boy's World Leather Stuff because I like their products.  I have also used Meguiars Gold Class Leather Cleaner and Conditioner.

Door sill protector:  http://www.mamotorworks.com/corvette-c4-door-sill-protectors+1984+1996-1-53-1047.html
This is what I have, and they just slip on.

Plan on replacing the battery every 4 years.  You probably had battery problems during the service visits because they were running the window up and down with the engine off, if the AC was on, the blower will stay on until voltage gets critical, and while the hood was open, the underhood lamps pull down 2 amps.  As I recall, the courtesy lights time out.

Corveddie

Thanks, Corveddie!



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Re: How do I preserve further a 1992 convertible with only 9400 miles? (10/10)
 7/4/13 12:47am
Phat98
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Crystal Springs, MS - USA

Vette(s):
1973 Mille Miglia Red LS5 1981 Claret Red 1982 White 1985 Silver Metallic 1988 Yellow 1993 Torch Red ZR-1 1994 Torch Red Coupe LT1 1996 Dark Purple Metallic LT4 2000 Torch Red 2001 Light Pewter 2003 Z06 Millennium Yellow 2009 Atomic Orange


Joined: 7/29/2011
Posts: 33

JimGnitecki said:
 
Yesterday, I also replaced the battery. It was starting the car just fine every time, but I noticed that when the car was at a body shop to perfect the positioning of the driver side window, and later at Brake Check to get the brake fluid changed, both times the door and/or hood were left open during the service and both times the battery needed a boost to start the car afterwards! I guess the previous owner's regular exercising of the car was not enough to keep that battery from getting discharged by the computer, etc, and thus losing its reserve capacity over time. I replaced it with the best battery that the auto parts store offered.


The battery probably ran down because they didn't pull the fuse to the underhood lamps. Believe me, those puppies will drain a battery down.

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1973 Mille Miglia Red LS5 - SOLD
1981 Dark Claret Metallic - SOLD
1982 White
94 Torch Red LT1
96 Dark Purple Metallic LT4
02 Black Convertible - SOLD
03 Millennium Yellow Z06
09 Atomic Orange Z51
 
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